Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Free
Faster access than browser!
 

Post-translational modification

Index Post-translational modification

Post-translational modification (PTM) refers to the covalent and generally enzymatic modification of proteins following protein biosynthesis. [1]

170 relations: Acetyl group, Acetylation, Acylation, Adenosine monophosphate, Adenylylation, ADP-ribosylation, Alanine, Alkene, Alkyl, Alkylation, Amide, Amine, Amino acid, Arginine, Asparagine, Aspartic acid, Beta-Lysine, Biomarker, Biotinylation, C-terminus, Carbohydrate, Carbonylation, Carboxyglutamic acid, Carboxylate, Cell membrane, Citrullination, Citrulline, Coenzyme A, Covalent bond, Cysteic acid, Cysteine, DcGO, Deamidation, Dehydration reaction, Deltorphin, Demethylation, Dermorphin, Diphthamide, Disulfide, Eastern blot, EEF2, EIF5A, Elimination reaction, Elongation factor P, Enzyme, Ester, Ethyl group, Eukaryote, Eukaryotic translation elongation factor 1 alpha 1, Farnesol, ..., Flavin adenine dinucleotide, Flavin group, Flavin mononucleotide, Formylation, Functional group, Geranylgeraniol, Geranylgeranylation, Glutamic acid, Glutamine, Glycan, Glycation, Glycine, Glycoprotein, Glycosyl, Glycosylation, Glycosylphosphatidylinositol, Glypiation, Gram-positive bacteria, Halogenation, Heme C, Histidine, Histidine kinase, Histone, Hormone, Hydroxy group, Hydroxylation, Hydroxylysine, Hypusine, Insulin, Intein, Ion, ISG15, Isoaspartate, Isocyanic acid, Isoleucine, Isopeptide bond, Kynurenine, Leucine, Lipid, Lipid-anchored protein, Lipoic acid, Lysine, Mass spectrometry, Messenger RNA, Methionine, Methyl group, Methylation, Methylene group, Myristic acid, Myristoylation, N-linked glycosylation, N-terminus, Neddylation, Neural cell adhesion molecule, Nucleophile, O-linked glycosylation, Opioid peptide, Organophosphate, Oxidative stress, Palmitic acid, Palmitoylation, PEGylation, Peptide bond, Phenylalanine, Phosphate, Phosphopantetheine, Phosphoramidate, Phosphorylation, Phosphoserine, Polyethylene glycol, Polyglutamylation, Polyglycylation, Polysialic acid, Post-translational regulation, Prenylation, Prokaryotic ubiquitin-like protein, Proline, Protease, Protein, Protein biosynthesis, Protein folding, Protein methylation, Protein precursor, Protein splicing, Protein targeting, Protein-serine epimerase, Pyroglutamic acid, Racemization, Retinal, Ribosome, RNA polymerase II, S-Glutathionylation, S-Nitrosylation, Schiff base, Serine, Side chain, Signal transduction, Succinic acid, Succinylation, Sulfation, SUMO protein, Terpenoid, Thioester, Thioether, Thiol, Threonine, Thyroglobulin, Transcription (biology), Transfer RNA, Transglutaminase, Translation (biology), Tryptophan, Tubulin, Tyrosine, Tyrosine sulfation, Ubiquitin, Uridine monophosphate, Valine, Vitamin K, Western blot. Expand index (120 more) »

Acetyl group

In organic chemistry, acetyl is a moiety, the acyl with chemical formula CH3CO.

New!!: Post-translational modification and Acetyl group · See more »

Acetylation

Acetylation (or in IUPAC nomenclature ethanoylation) describes a reaction that introduces an acetyl functional group into a chemical compound.

New!!: Post-translational modification and Acetylation · See more »

Acylation

In chemistry, acylation (rarely, but more formally: alkanoylation) is the process of adding an acyl group to a compound.

New!!: Post-translational modification and Acylation · See more »

Adenosine monophosphate

Adenosine monophosphate (AMP), also known as 5'-adenylic acid, is a nucleotide.

New!!: Post-translational modification and Adenosine monophosphate · See more »

Adenylylation

Adenylylation, now known as AMPylation, is a process in which adenosine monophosphate (AMP) molecule is covalently attached to a protein side chain, altering the function of the protein.

New!!: Post-translational modification and Adenylylation · See more »

ADP-ribosylation

ADP-ribosylation is the addition of one or more ADP-ribose moieties to a protein.

New!!: Post-translational modification and ADP-ribosylation · See more »

Alanine

Alanine (symbol Ala or A) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Alanine · See more »

Alkene

In organic chemistry, an alkene is an unsaturated hydrocarbon that contains at least one carbon–carbon double bond.

New!!: Post-translational modification and Alkene · See more »

Alkyl

In organic chemistry, an alkyl substituent is an alkane missing one hydrogen.

New!!: Post-translational modification and Alkyl · See more »

Alkylation

Alkylation is the transfer of an alkyl group from one molecule to another.

New!!: Post-translational modification and Alkylation · See more »

Amide

An amide (or or), also known as an acid amide, is a compound with the functional group RnE(O)xNR′2 (R and R′ refer to H or organic groups).

New!!: Post-translational modification and Amide · See more »

Amine

In organic chemistry, amines are compounds and functional groups that contain a basic nitrogen atom with a lone pair.

New!!: Post-translational modification and Amine · See more »

Amino acid

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

New!!: Post-translational modification and Amino acid · See more »

Arginine

Arginine (symbol Arg or R) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Arginine · See more »

Asparagine

Asparagine (symbol Asn or N), is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Asparagine · See more »

Aspartic acid

Aspartic acid (symbol Asp or D; salts known as aspartates), is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Aspartic acid · See more »

Beta-Lysine

β-Lysine (3,6-diaminohexanoic acid) is an amino acid produced by platelets during coagulation and is directly antibacterial by causing lysis of many Gram positive bacteria by acting as a cationic detergent.

New!!: Post-translational modification and Beta-Lysine · See more »

Biomarker

A biomarker, or biological marker, generally refers to a measurable indicator of some biological state or condition.

New!!: Post-translational modification and Biomarker · See more »

Biotinylation

In biochemistry, biotinylation is the process of covalently attaching biotin to a protein, nucleic acid or other molecule.

New!!: Post-translational modification and Biotinylation · See more »

C-terminus

The C-terminus (also known as the carboxyl-terminus, carboxy-terminus, C-terminal tail, C-terminal end, or COOH-terminus) is the end of an amino acid chain (protein or polypeptide), terminated by a free carboxyl group (-COOH).

New!!: Post-translational modification and C-terminus · See more »

Carbohydrate

A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water); in other words, with the empirical formula (where m may be different from n).

New!!: Post-translational modification and Carbohydrate · See more »

Carbonylation

Carbonylation refers to reactions that introduce carbon monoxide into organic and inorganic substrates.

New!!: Post-translational modification and Carbonylation · See more »

Carboxyglutamic acid

Carboxyglutamic acid (or the conjugate base, carboxyglutamate), is an uncommon amino acid introduced into proteins by a post-translational carboxylation of glutamic acid residues.

New!!: Post-translational modification and Carboxyglutamic acid · See more »

Carboxylate

A carboxylate is a salt or ester of a carboxylic acid.

New!!: Post-translational modification and Carboxylate · See more »

Cell membrane

The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space).

New!!: Post-translational modification and Cell membrane · See more »

Citrullination

Citrullination or deimination is the conversion of the amino acid arginine in a protein into the amino acid citrulline.

New!!: Post-translational modification and Citrullination · See more »

Citrulline

The organic compound citrulline is an α-amino acid.

New!!: Post-translational modification and Citrulline · See more »

Coenzyme A

Coenzyme A (CoA,SCoA,CoASH) is a coenzyme, notable for its role in the synthesis and oxidation of fatty acids, and the oxidation of pyruvate in the citric acid cycle.

New!!: Post-translational modification and Coenzyme A · See more »

Covalent bond

A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.

New!!: Post-translational modification and Covalent bond · See more »

Cysteic acid

Cysteic acid also known as 3-Sulfo-L-alanine is an intermediate in cysteine metabolism.

New!!: Post-translational modification and Cysteic acid · See more »

Cysteine

Cysteine (symbol Cys or C) is a semi-essential proteinogenic amino acid with the formula HO2CCH(NH2)CH2SH.

New!!: Post-translational modification and Cysteine · See more »

DcGO

dcGO is a comprehensive ontology database for protein domains.

New!!: Post-translational modification and DcGO · See more »

Deamidation

Deamidation is a chemical reaction in which an amide functional group in the side chain of the amino acids asparagine or glutamine is removed or converted to another functional group.

New!!: Post-translational modification and Deamidation · See more »

Dehydration reaction

In chemistry and the biological sciences, a dehydration reaction, also known as Zimmer's hydrogenesis, is a chemical reaction that involves the loss of a water molecule from the reacting molecule.

New!!: Post-translational modification and Dehydration reaction · See more »

Deltorphin

Deltorphin, also known as deltorphin A and dermenkephalin, is a naturally occurring, exogenous opioid heptapeptide and thus, exorphin, with the amino acid sequence Tyr-D-Met-Phe-His-Leu-Met-Asp-NH2.

New!!: Post-translational modification and Deltorphin · See more »

Demethylation

Demethylation is the chemical process resulting in the removal of a methyl group (CH3) from a molecule.

New!!: Post-translational modification and Demethylation · See more »

Dermorphin

Dermorphin is a hepta-peptide first isolated from the skin of South American frogs belonging to the genus Phyllomedusa.

New!!: Post-translational modification and Dermorphin · See more »

Diphthamide

Diphthamide is a post-translationally modified histidine amino acid found in archaeal and eukaryotic elongation factor 2 (eEF-2).

New!!: Post-translational modification and Diphthamide · See more »

Disulfide

In chemistry, a disulfide refers to a functional group with the structure R−S−S−R′.

New!!: Post-translational modification and Disulfide · See more »

Eastern blot

The eastern blot is a biochemical technique used to analyze protein post translational modifications (PTM) such as lipids, phosphomoieties and glycoconjugates.

New!!: Post-translational modification and Eastern blot · See more »

EEF2

Eukaryotic elongation factor 2 is a protein that in humans is encoded by the EEF2 gene.

New!!: Post-translational modification and EEF2 · See more »

EIF5A

Eukaryotic translation initiation factor 5A-1 is a protein that in humans is encoded by the EIF5A gene.

New!!: Post-translational modification and EIF5A · See more »

Elimination reaction

An elimination reaction is a type of organic reaction in which two substituents are removed from a molecule in either a one or two-step mechanism.

New!!: Post-translational modification and Elimination reaction · See more »

Elongation factor P

EF-P (elongation factor P) is a prokaryotic protein translation factor required for efficient peptide bond synthesis on 70S ribosomes from fMet-tRNAfMet.

New!!: Post-translational modification and Elongation factor P · See more »

Enzyme

Enzymes are macromolecular biological catalysts.

New!!: Post-translational modification and Enzyme · See more »

Ester

In chemistry, an ester is a chemical compound derived from an acid (organic or inorganic) in which at least one –OH (hydroxyl) group is replaced by an –O–alkyl (alkoxy) group.

New!!: Post-translational modification and Ester · See more »

Ethyl group

In chemistry, an ethyl group is an alkyl substituent derived from ethane (C2H6).

New!!: Post-translational modification and Ethyl group · See more »

Eukaryote

Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, unlike Prokaryotes (Bacteria and other Archaea).

New!!: Post-translational modification and Eukaryote · See more »

Eukaryotic translation elongation factor 1 alpha 1

Elongation factor 1-alpha 1 (eEF1a1) is a protein that in humans is encoded by the EEF1A1 gene.

New!!: Post-translational modification and Eukaryotic translation elongation factor 1 alpha 1 · See more »

Farnesol

Farnesol is a natural 15-carbon organic compound which is an acyclic sesquiterpene alcohol.

New!!: Post-translational modification and Farnesol · See more »

Flavin adenine dinucleotide

In biochemistry, flavin adenine dinucleotide (FAD) is a redox cofactor, more specifically a prosthetic group of a protein, involved in several important enzymatic reactions in metabolism.

New!!: Post-translational modification and Flavin adenine dinucleotide · See more »

Flavin group

Flavin (from Latin flavus, "yellow") is the common name for a group of organic compounds based on pteridine, formed by the tricyclic heterocycle isoalloxazine.

New!!: Post-translational modification and Flavin group · See more »

Flavin mononucleotide

Flavin mononucleotide (FMN), or riboflavin-5′-phosphate, is a biomolecule produced from riboflavin (vitamin B2) by the enzyme riboflavin kinase and functions as prosthetic group of various oxidoreductases including NADH dehydrogenase as well as cofactor in biological blue-light photo receptors.

New!!: Post-translational modification and Flavin mononucleotide · See more »

Formylation

In biochemistry, the addition of a formyl functional group is termed formylation.

New!!: Post-translational modification and Formylation · See more »

Functional group

In organic chemistry, functional groups are specific substituents or moieties within molecules that are responsible for the characteristic chemical reactions of those molecules.

New!!: Post-translational modification and Functional group · See more »

Geranylgeraniol

Geranylgeraniol is a diterpene alcohol which plays a role in several important biological processes.

New!!: Post-translational modification and Geranylgeraniol · See more »

Geranylgeranylation

Geranylgeranylation is a form of prenylation, which is a post-translational modification of proteins that involves the attachment of one or two 20-carbon lipophilic geranylgeranyl isoprene units from geranylgeranyl diphosphate to one or two cysteine residue(s) at the C-terminus of specific proteins.

New!!: Post-translational modification and Geranylgeranylation · See more »

Glutamic acid

Glutamic acid (symbol Glu or E) is an α-amino acid with formula.

New!!: Post-translational modification and Glutamic acid · See more »

Glutamine

Glutamine (symbol Gln or Q) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Glutamine · See more »

Glycan

The terms glycan and polysaccharide are defined by IUPAC as synonyms meaning "compounds consisting of a large number of monosaccharides linked glycosidically".

New!!: Post-translational modification and Glycan · See more »

Glycation

Glycation (sometimes called non-enzymatic glycosylation) is the result of the covalent bonding of a sugar molecule, such as glucose or fructose, to a protein or lipid molecule, without the controlling action of an enzyme.

New!!: Post-translational modification and Glycation · See more »

Glycine

Glycine (symbol Gly or G) is the amino acid that has a single hydrogen atom as its side chain.

New!!: Post-translational modification and Glycine · See more »

Glycoprotein

Glycoproteins are proteins that contain oligosaccharide chains (glycans) covalently attached to amino acid side-chains.

New!!: Post-translational modification and Glycoprotein · See more »

Glycosyl

A glycosyl group is a univalent free radical or substituent structure obtained by removing the hemiacetal hydroxyl group from the cyclic form of a monosaccharide and, by extension, of a lower oligosaccharide.

New!!: Post-translational modification and Glycosyl · See more »

Glycosylation

Glycosylation (see also chemical glycosylation) is the reaction in which a carbohydrate, i.e. a glycosyl donor, is attached to a hydroxyl or other functional group of another molecule (a glycosyl acceptor).

New!!: Post-translational modification and Glycosylation · See more »

Glycosylphosphatidylinositol

Glycosylphosphatidylinositol, or glycophosphatidylinositol, or GPI in short, is a glycolipid that can be attached to the C-terminus of a protein during posttranslational modification.

New!!: Post-translational modification and Glycosylphosphatidylinositol · See more »

Glypiation

Glypiation is the covalent bond of a glycosylphosphatidylinositol (GPI) anchor and is a common post-translational modification that localizes proteins to cell membranes.

New!!: Post-translational modification and Glypiation · See more »

Gram-positive bacteria

Gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their cell wall.

New!!: Post-translational modification and Gram-positive bacteria · See more »

Halogenation

Halogenation is a chemical reaction that involves the addition of one or more halogens to a compound or material.

New!!: Post-translational modification and Halogenation · See more »

Heme C

Heme C (or haem C) is an important kind of heme.

New!!: Post-translational modification and Heme C · See more »

Histidine

Histidine (symbol His or H) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Histidine · See more »

Histidine kinase

Histidine kinases (HK) are multifunctional, and in non-animal kingdoms, typically transmembrane, proteins of the transferase class of enzymes that play a role in signal transduction across the cellular membrane.

New!!: Post-translational modification and Histidine kinase · See more »

Histone

In biology, histones are highly alkaline proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes.

New!!: Post-translational modification and Histone · See more »

Hormone

A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.

New!!: Post-translational modification and Hormone · See more »

Hydroxy group

A hydroxy or hydroxyl group is the entity with the formula OH.

New!!: Post-translational modification and Hydroxy group · See more »

Hydroxylation

Hydroxylation is a chemical process that introduces a hydroxyl group (-OH) into an organic compound.

New!!: Post-translational modification and Hydroxylation · See more »

Hydroxylysine

Hydroxylysine (Hyl) is an amino acid with the molecular formula C6H14N2O3.

New!!: Post-translational modification and Hydroxylysine · See more »

Hypusine

Hypusine is an unusual amino acid found in all eukaryotes and in some archaea, but not in bacteria.

New!!: Post-translational modification and Hypusine · See more »

Insulin

Insulin (from Latin insula, island) is a peptide hormone produced by beta cells of the pancreatic islets; it is considered to be the main anabolic hormone of the body.

New!!: Post-translational modification and Insulin · See more »

Intein

An intein is a segment of a protein that is able to excise itself and join the remaining portions (the exteins) with a peptide bond in a process termed protein splicing.

New!!: Post-translational modification and Intein · See more »

Ion

An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).

New!!: Post-translational modification and Ion · See more »

ISG15

Interferon-stimulated gene 15 (ISG15) is a 17 kDA secreted protein that in humans is encoded by the ISG15 gene.

New!!: Post-translational modification and ISG15 · See more »

Isoaspartate

Isoaspartic acid (isoaspartate) is an amino acid that is an isomer of aspartic acid.

New!!: Post-translational modification and Isoaspartate · See more »

Isocyanic acid

Isocyanic acid is a chemical compound with the formula HNCO, discovered in 1830 by Liebig and Wöhler.

New!!: Post-translational modification and Isocyanic acid · See more »

Isoleucine

Isoleucine (symbol Ile or I) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Isoleucine · See more »

Isopeptide bond

An isopeptide bond is an amide bond that is not present on the main chain of a protein.

New!!: Post-translational modification and Isopeptide bond · See more »

Kynurenine

L-Kynurenine is a metabolite of the amino acid L-tryptophan used in the production of niacin.

New!!: Post-translational modification and Kynurenine · See more »

Leucine

Leucine (symbol Leu or L) is an essential amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Leucine · See more »

Lipid

In biology and biochemistry, a lipid is a biomolecule that is soluble in nonpolar solvents.

New!!: Post-translational modification and Lipid · See more »

Lipid-anchored protein

Lipid-anchored proteins (also known as lipid-linked proteins) are proteins located on the surface of the cell membrane that are covalently attached to lipids embedded within the cell membrane.

New!!: Post-translational modification and Lipid-anchored protein · See more »

Lipoic acid

Lipoic acid (LA), also known as α-lipoic acid and alpha lipoic acid (ALA) and thioctic acid is an organosulfur compound derived from caprylic acid (octanoic acid).

New!!: Post-translational modification and Lipoic acid · See more »

Lysine

Lysine (symbol Lys or K) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Lysine · See more »

Mass spectrometry

Mass spectrometry (MS) is an analytical technique that ionizes chemical species and sorts the ions based on their mass-to-charge ratio.

New!!: Post-translational modification and Mass spectrometry · See more »

Messenger RNA

Messenger RNA (mRNA) is a large family of RNA molecules that convey genetic information from DNA to the ribosome, where they specify the amino acid sequence of the protein products of gene expression.

New!!: Post-translational modification and Messenger RNA · See more »

Methionine

Methionine (symbol Met or M) is an essential amino acid in humans.

New!!: Post-translational modification and Methionine · See more »

Methyl group

A methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms — CH3.

New!!: Post-translational modification and Methyl group · See more »

Methylation

In the chemical sciences, methylation denotes the addition of a methyl group on a substrate, or the substitution of an atom (or group) by a methyl group.

New!!: Post-translational modification and Methylation · See more »

Methylene group

In organic chemistry, a methylene group is any part of a molecule that consists of two hydrogen atoms bound to a carbon atom, which is connected to the remainder of the molecule by a double bond.

New!!: Post-translational modification and Methylene group · See more »

Myristic acid

Myristic acid (IUPAC systematic name: 1-tetradecanoic acid) is a common saturated fatty acid with the molecular formula CH3(CH2)12COOH.

New!!: Post-translational modification and Myristic acid · See more »

Myristoylation

Myristoylation is a lipidation modification where a myristoyl group, derived from myristic acid, is covalently attached by an amide bond to the alpha-amino group of an N-terminal glycine residue.

New!!: Post-translational modification and Myristoylation · See more »

N-linked glycosylation

N-linked glycosylation, is the attachment of the sugar molecule oligosaccharide known as glycan to a nitrogen atom (the amide nitrogen of an asparagine (Asn) residue of a protein), in a process called N-glycosylation, studied in biochemistry.

New!!: Post-translational modification and N-linked glycosylation · See more »

N-terminus

The N-terminus (also known as the amino-terminus, NH2-terminus, N-terminal end or amine-terminus) is the start of a protein or polypeptide referring to the free amine group (-NH2) located at the end of a polypeptide.

New!!: Post-translational modification and N-terminus · See more »

Neddylation

Neddylation is the process by which the ubiquitin-like protein NEDD8 is conjugated to its target proteins.

New!!: Post-translational modification and Neddylation · See more »

Neural cell adhesion molecule

Neural cell adhesion molecule (NCAM), also called CD56, is a homophilic binding glycoprotein expressed on the surface of neurons, glia and skeletal muscle.

New!!: Post-translational modification and Neural cell adhesion molecule · See more »

Nucleophile

Nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in relation to a reaction.

New!!: Post-translational modification and Nucleophile · See more »

O-linked glycosylation

In the field of biochemistry, O-linked glycosylation is the attachment of a sugar molecule to an oxygen atom in an amino acid residue in a protein.

New!!: Post-translational modification and O-linked glycosylation · See more »

Opioid peptide

Opioid peptides are peptides that bind to opioid receptors in the brain; opiates and opioids mimic the effect of these peptides.

New!!: Post-translational modification and Opioid peptide · See more »

Organophosphate

Organophosphates (also known as phosphate esters) are a class of organophosphorus compounds with the general structure O.

New!!: Post-translational modification and Organophosphate · See more »

Oxidative stress

Oxidative stress reflects an imbalance between the systemic manifestation of reactive oxygen species and a biological system's ability to readily detoxify the reactive intermediates or to repair the resulting damage.

New!!: Post-translational modification and Oxidative stress · See more »

Palmitic acid

Palmitic acid, or hexadecanoic acid in IUPAC nomenclature, is the most common saturated fatty acid found in animals, plants and microorganisms.

New!!: Post-translational modification and Palmitic acid · See more »

Palmitoylation

Palmitoylation is the covalent attachment of fatty acids, such as palmitic acid, to cysteine and less frequently to serine and threonine residues of proteins, which are typically membrane proteins.

New!!: Post-translational modification and Palmitoylation · See more »

PEGylation

PEGylation (often styled pegylation) is the process of both covalent and non-covalent attachment or amalgamation of polyethylene glycol (PEG, in pharmacy called macrogol) polymer chains to molecules and macrostructures, such as a drug, therapeutic protein or vesicle, which is then described as PEGylated (pegylated).

New!!: Post-translational modification and PEGylation · See more »

Peptide bond

A peptide bond is a covalent chemical bond linking two consecutive amino acid monomers along a peptide or protein chain.

New!!: Post-translational modification and Peptide bond · See more »

Phenylalanine

Phenylalanine (symbol Phe or F) is an α-amino acid with the formula.

New!!: Post-translational modification and Phenylalanine · See more »

Phosphate

A phosphate is chemical derivative of phosphoric acid.

New!!: Post-translational modification and Phosphate · See more »

Phosphopantetheine

Phosphopantetheine, also known as 4'-Phosphopantetheine, is an essential prosthetic group of acyl carrier protein (ACP) and peptidyl carrier proteins (PCP) and aryl carrier proteins (ArCP) derived from Coenzyme A. It is also present in formyltetrahydrofolate dehydrogenase.

New!!: Post-translational modification and Phosphopantetheine · See more »

Phosphoramidate

Phosphoramidates (sometimes also called amidophosphates) are a class of phosphorus compounds structurally related to phosphates (or organophosphates) via the substitution of an OR for a NR2.

New!!: Post-translational modification and Phosphoramidate · See more »

Phosphorylation

In chemistry, phosphorylation of a molecule is the attachment of a phosphoryl group.

New!!: Post-translational modification and Phosphorylation · See more »

Phosphoserine

Phosphoserine (abbreviated as SEP or J) is an ester of serine and phosphoric acid.

New!!: Post-translational modification and Phosphoserine · See more »

Polyethylene glycol

Polyethylene glycol (PEG) is a polyether compound with many applications from industrial manufacturing to medicine.

New!!: Post-translational modification and Polyethylene glycol · See more »

Polyglutamylation

Polyglutamylation is a form of reversible posttranslational modification of glutamate residues seen for example in alpha and beta tubulins, nucleosome assembly proteins NAP1 and NAP2.

New!!: Post-translational modification and Polyglutamylation · See more »

Polyglycylation

Polyglycylation is a form of posttranslational modification of glutamate residues of the carboxyl-terminal region tubulin in certain microtubules (e.g., axonemal) originally discovered in Paramecium, and later shown in mammalian neurons as well.

New!!: Post-translational modification and Polyglycylation · See more »

Polysialic acid

Polysialic acid is an unusual posttranslational modification that occurs on neural cell adhesion molecules (NCAM).

New!!: Post-translational modification and Polysialic acid · See more »

Post-translational regulation

Post-translational regulation refers to the control of the levels of active protein.

New!!: Post-translational modification and Post-translational regulation · See more »

Prenylation

Prenylation (also known as isoprenylation or lipidation) is the addition of hydrophobic molecules to a protein or chemical compound.

New!!: Post-translational modification and Prenylation · See more »

Prokaryotic ubiquitin-like protein

Prokaryotic ubiquitin-like protein (Pup) is a functional analog of ubiquitin found in the prokaryote Mycobacterium tuberculosis.

New!!: Post-translational modification and Prokaryotic ubiquitin-like protein · See more »

Proline

Proline (symbol Pro or P) is a proteinogenic amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Proline · See more »

Protease

A protease (also called a peptidase or proteinase) is an enzyme that performs proteolysis: protein catabolism by hydrolysis of peptide bonds.

New!!: Post-translational modification and Protease · See more »

Protein

Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

New!!: Post-translational modification and Protein · See more »

Protein biosynthesis

Protein synthesis is the process whereby biological cells generate new proteins; it is balanced by the loss of cellular proteins via degradation or export.

New!!: Post-translational modification and Protein biosynthesis · See more »

Protein folding

Protein folding is the physical process by which a protein chain acquires its native 3-dimensional structure, a conformation that is usually biologically functional, in an expeditious and reproducible manner.

New!!: Post-translational modification and Protein folding · See more »

Protein methylation

Protein methylation is the process through which a group of specific enzymes, the methyltransferases modify proteins by adding a methyl groups.

New!!: Post-translational modification and Protein methylation · See more »

Protein precursor

A protein precursor, also called a pro-protein or pro-peptide, is an inactive protein (or peptide) that can be turned into an active form by post-translational modification, such as breaking off a piece of the molecule or adding on another molecule.

New!!: Post-translational modification and Protein precursor · See more »

Protein splicing

Protein splicing is an intramolecular reaction of a particular protein in which an internal protein segment (called an intein) is removed from a precursor protein with a ligation of C-terminal and N-terminal external proteins (called exteins) on both sides.

New!!: Post-translational modification and Protein splicing · See more »

Protein targeting

Protein targeting or protein sorting is the biological mechanism by which proteins are transported to the appropriate destinations in the cell or outside it.

New!!: Post-translational modification and Protein targeting · See more »

Protein-serine epimerase

In enzymology, a protein-serine epimerase is an enzyme that catalyzes the chemical reaction Hence, this enzyme has one substrate, -L-serine, and one product, -D-serine.

New!!: Post-translational modification and Protein-serine epimerase · See more »

Pyroglutamic acid

Pyroglutamic acid (also known as PCA, 5-oxoproline, pidolic acid, or pyroglutamate for its basic form) is a ubiquitous but little studied natural amino acid derivative in which the free amino group of glutamic acid or glutamine cyclizes to form a lactam.

New!!: Post-translational modification and Pyroglutamic acid · See more »

Racemization

In chemistry, racemization is the conversion of an enantiomerically pure mixture (one where only one enantiomer is present) into a mixture where more than one of the enantiomers are present.

New!!: Post-translational modification and Racemization · See more »

Retinal

Retinal is also known as retinaldehyde.

New!!: Post-translational modification and Retinal · See more »

Ribosome

The ribosome is a complex molecular machine, found within all living cells, that serves as the site of biological protein synthesis (translation).

New!!: Post-translational modification and Ribosome · See more »

RNA polymerase II

RNA polymerase II (RNAP II and Pol II) is a multiprotein complex.

New!!: Post-translational modification and RNA polymerase II · See more »

S-Glutathionylation

S-Glutathionylation is the posttranslational modification of protein cysteine residues by the addition of glutathione, the most abundant and important low-molecular-mass thiol within most cell types.

New!!: Post-translational modification and S-Glutathionylation · See more »

S-Nitrosylation

S-Nitrosylation, the covalent attachment of NO to a cysteine residue to form an ''S''-nitrosothiol (SNO), is a post-translational protein modification of broad purview across phylogeny and cell types.

New!!: Post-translational modification and S-Nitrosylation · See more »

Schiff base

A Schiff base (named after Hugo Schiff) is a compound with the general structure R2C.

New!!: Post-translational modification and Schiff base · See more »

Serine

Serine (symbol Ser or S) is an ɑ-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Serine · See more »

Side chain

In organic chemistry and biochemistry, a side chain is a chemical group that is attached to a core part of the molecule called "main chain" or backbone.

New!!: Post-translational modification and Side chain · See more »

Signal transduction

Signal transduction is the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events, most commonly protein phosphorylation catalyzed by protein kinases, which ultimately results in a cellular response.

New!!: Post-translational modification and Signal transduction · See more »

Succinic acid

Succinic acid is a dicarboxylic acid with the chemical formula (CH2)2(CO2H)2.

New!!: Post-translational modification and Succinic acid · See more »

Succinylation

Succinylation is a posttranslational modification where a succinyl group (-CO-CH2-CH2-CO2H) is added to a lysine residue of a protein molecule.

New!!: Post-translational modification and Succinylation · See more »

Sulfation

Sulfation or sulfurylation (not to be confused with sulfonation) in biochemistry is the enzyme-catalyzed conjugation of a sulfo group (not a sulfate or sulfuryl group) to another molecule.

New!!: Post-translational modification and Sulfation · See more »

SUMO protein

Small Ubiquitin-like Modifier (or SUMO) proteins are a family of small proteins that are covalently attached to and detached from other proteins in cells to modify their function.

New!!: Post-translational modification and SUMO protein · See more »

Terpenoid

The terpenoids, sometimes called isoprenoids, are a large and diverse class of naturally occurring organic chemicals derived from terpenes.

New!!: Post-translational modification and Terpenoid · See more »

Thioester

In chemistry thioesters are compounds with the functional group R–S–CO–R'.

New!!: Post-translational modification and Thioester · See more »

Thioether

A thioether is a functional group in organosulfur chemistry with the connectivity C–S–C as shown on right.

New!!: Post-translational modification and Thioether · See more »

Thiol

Thiol is an organosulfur compound that contains a carbon-bonded sulfhydryl (R–SH) group (where R represents an alkyl or other organic substituent).

New!!: Post-translational modification and Thiol · See more »

Threonine

Threonine (symbol Thr or T) is an amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Threonine · See more »

Thyroglobulin

Thyroglobulin (Tg) is a 660 kDa, dimeric protein produced by the follicular cells of the thyroid and used entirely within the thyroid gland.

New!!: Post-translational modification and Thyroglobulin · See more »

Transcription (biology)

Transcription is the first step of gene expression, in which a particular segment of DNA is copied into RNA (especially mRNA) by the enzyme RNA polymerase.

New!!: Post-translational modification and Transcription (biology) · See more »

Transfer RNA

A transfer RNA (abbreviated tRNA and formerly referred to as sRNA, for soluble RNA) is an adaptor molecule composed of RNA, typically 76 to 90 nucleotides in length, that serves as the physical link between the mRNA and the amino acid sequence of proteins.

New!!: Post-translational modification and Transfer RNA · See more »

Transglutaminase

A transglutaminase is an enzyme that catalyzes the formation of an isopeptide bond between a free amine group (e.g., protein- or peptide-bound lysine) and the acyl group at the end of the side chain of protein- or peptide-bound glutamine.

New!!: Post-translational modification and Transglutaminase · See more »

Translation (biology)

In molecular biology and genetics, translation is the process in which ribosomes in the cytoplasm or ER synthesize proteins after the process of transcription of DNA to RNA in the cell's nucleus.

New!!: Post-translational modification and Translation (biology) · See more »

Tryptophan

Tryptophan (symbol Trp or W) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Tryptophan · See more »

Tubulin

Tubulin in molecular biology can refer either to the tubulin protein superfamily of globular proteins, or one of the member proteins of that superfamily.

New!!: Post-translational modification and Tubulin · See more »

Tyrosine

Tyrosine (symbol Tyr or Y) or 4-hydroxyphenylalanine is one of the 20 standard amino acids that are used by cells to synthesize proteins.

New!!: Post-translational modification and Tyrosine · See more »

Tyrosine sulfation

Tyrosine sulfation is a posttranslational modification where a sulfate group is added to a tyrosine residue of a protein molecule.

New!!: Post-translational modification and Tyrosine sulfation · See more »

Ubiquitin

Ubiquitin is a small (8.5 kDa) regulatory protein found in most tissues of eukaryotic organisms, i.e. it occurs ''ubiquitously''.

New!!: Post-translational modification and Ubiquitin · See more »

Uridine monophosphate

Uridine monophosphate (UMP), also known as 5′-uridylic acid (conjugate base uridylate), is a nucleotide that is used as a monomer in RNA.

New!!: Post-translational modification and Uridine monophosphate · See more »

Valine

Valine (symbol Val or V) is an α-amino acid that is used in the biosynthesis of proteins.

New!!: Post-translational modification and Valine · See more »

Vitamin K

Vitamin K is a group of structurally similar, fat-soluble vitamins that the human body requires for complete synthesis of certain proteins that are prerequisites for blood coagulation (K from Koagulation, Danish for "coagulation") and which the body also needs for controlling binding of calcium in bones and other tissues.

New!!: Post-translational modification and Vitamin K · See more »

Western blot

The western blot (sometimes called the protein immunoblot) is a widely used analytical technique used in molecular biology, immunogenetics and other molecular biology disciplines to detect specific proteins in a sample of tissue homogenate or extract.

New!!: Post-translational modification and Western blot · See more »

Redirects here:

Covalent modification, Covalent modulation, Mature protein, Post translation, Post translational modification, Post-translation, Post-translation modifications, Post-translational, Post-translational modifications, Post-translational processing, Posttranslational, Posttranslational modification, Posttranslational modifications, Protein cleavage, Protein modification, Protein processing, post-translational, Side chain modification, Side chain modifications, Side-chain modification, Side-chain modifications.

References

[1] https://en.wikipedia.org/wiki/Post-translational_modification

OutgoingIncoming
Hey! We are on Facebook now! »