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GTPase

Index GTPase

GTPases (singular GTPase) are a large family of hydrolase enzymes that can bind and hydrolyze guanosine triphosphate (GTP). [1]

50 relations: Adenylyl cyclase, ADP ribosylation factor, Biochemistry, Bordetella pertussis, Cell (biology), Cell division, Cell membrane, Cellular differentiation, Cholera toxin, Conserved sequence, Dynamin, Electron affinity, Enzyme, G protein–coupled receptor, GeneCards, GTPase-activating protein, Guanine, Guanine nucleotide exchange factor, Guanosine diphosphate, Guanosine nucleotide dissociation inhibitor, Guanosine triphosphate, Hydrolase, Hydrolysis, Ion, Ion channel, Lipid-anchored protein, Magnesium, Nucleophilic substitution, Pertussis toxin, Phosphate, Phospholipase, Protein, Protein biosynthesis, Protein domain, Protein targeting, Rab (G-protein), Ran (protein), Ras subfamily, Rho family of GTPases, Rho-associated protein kinase, Ribosome, Sequence homology, Signal recognition particle, Signal transduction, Small GTPase, Thrombin receptor, Transducin, Translation (biology), Vesicle (biology and chemistry), Vibrio cholerae.

Adenylyl cyclase

Adenylyl cyclase (also commonly known as adenyl cyclase and adenylate cyclase, abbreviated AC) is an enzyme with key regulatory roles in essentially all cells.

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ADP ribosylation factor

ADP ribosylation factors (ARFs) are members of the ARF family of GTP-binding proteins of the Ras superfamily.

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Biochemistry

Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms.

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Bordetella pertussis

Bordetella pertussis is a Gram-negative, aerobic, pathogenic, encapsulated coccobacillus of the genus Bordetella, and the causative agent of pertussis or whooping cough.

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Cell (biology)

The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known living organisms.

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Cell division

Cell division is the process by which a parent cell divides into two or more daughter cells.

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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).

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Cellular differentiation

In developmental biology, cellular differentiation is the process where a cell changes from one cell type to another.

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Cholera toxin

Cholera toxin (also known as choleragen and sometimes abbreviated to CTX, Ctx or CT) is protein complex secreted by the bacterium Vibrio cholerae.

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Conserved sequence

In evolutionary biology, conserved sequences are similar or identical sequences in nucleic acids (DNA and RNA) or proteins across species (orthologous sequences) or within a genome (paralogous sequences).

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Dynamin

Dynamin is a GTPase responsible for endocytosis in the eukaryotic cell.

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Electron affinity

In chemistry and atomic physics, the electron affinity (Eea) of an atom or molecule is defined as the amount of energy released or spent when an electron is added to a neutral atom or molecule in the gaseous state to form a negative ion.

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Enzyme

Enzymes are macromolecular biological catalysts.

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G protein–coupled receptor

G protein–coupled receptors (GPCRs), also known as seven-(pass)-transmembrane domain receptors, 7TM receptors, heptahelical receptors, serpentine receptor, and G protein–linked receptors (GPLR), constitute a large protein family of receptors that detect molecules outside the cell and activate internal signal transduction pathways and, ultimately, cellular responses.

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GeneCards

GeneCards is a database of human genes that provides genomic, proteomic, transcriptomic, genetic and functional information on all known and predicted human genes.

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GTPase-activating protein

GTPase-activating proteins or GTPase-accelerating proteins (GAPs) are a family of regulatory proteins whose members can bind to activated G proteins and stimulate their GTPase activity, with the result of terminating the signaling event.

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Guanine

Guanine (or G, Gua) is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA).

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Guanine nucleotide exchange factor

Guanine nucleotide exchange factors (GEFs) are proteins or protein domains that activate monomeric GTPases by stimulating the release of guanosine diphosphate (GDP) to allow binding of guanosine triphosphate (GTP).

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Guanosine diphosphate

Guanosine diphosphate, abbreviated GDP, is a nucleoside diphosphate.

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Guanosine nucleotide dissociation inhibitor

A guanosine nucleotide dissociation inhibitor (GDI) binds to the GDP-bound form of Rho and Rab small GTPases and not only prevents exchange (maintaining the small GTPase in an off-state), but also prevents the small GTPase from localizing at the membrane, which is their place of action.

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Guanosine triphosphate

Guanosine-5'-triphosphate (GTP) is a purine nucleoside triphosphate.

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Hydrolase

Hydrolase is a class of enzyme that is commonly used as biochemical catalysts that utilize water to break a chemical bond.

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Hydrolysis

Hydrolysis is a term used for both an electro-chemical process and a biological one.

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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).

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Ion channel

Ion channels are pore-forming membrane proteins that allow ions to pass through the channel pore.

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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.

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Magnesium

Magnesium is a chemical element with symbol Mg and atomic number 12.

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Nucleophilic substitution

In organic and inorganic chemistry, nucleophilic substitution is a fundamental class of reactions in which an electron rich nucleophile selectively bonds with or attacks the positive or partially positive charge of an atom or a group of atoms to replace a leaving group; the positive or partially positive atom is referred to as an electrophile.

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Pertussis toxin

Pertussis toxin (PT) is a protein-based AB5-type exotoxin produced by the bacterium Bordetella pertussis, which causes whooping cough.

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Phosphate

A phosphate is chemical derivative of phosphoric acid.

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Phospholipase

A phospholipase is an enzyme that hydrolyzes phospholipids into fatty acids and other lipophilic substances.

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Protein

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

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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.

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Protein domain

A protein domain is a conserved part of a given protein sequence and (tertiary) structure that can evolve, function, and exist independently of the rest of the protein chain.

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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.

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Rab (G-protein)

The Rab family of proteins is a member of the Ras superfamily of monomeric G proteins.

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Ran (protein)

Ran (RAs-related Nuclear protein) also known as GTP-binding nuclear protein Ran is a protein that in humans is encoded by the RAN gene.

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Ras subfamily

Ras is a family of related proteins which is expressed in all animal cell lineages and organs.

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Rho family of GTPases

The Rho family of GTPases is a family of small (~21 kDa) signaling G proteins, and is a subfamily of the Ras superfamily.

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Rho-associated protein kinase

Rho-associated protein kinase (ROCK) is a kinase belonging to the AGC (PKA/ PKG/PKC) family of serine-threonine kinases.

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Ribosome

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

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Sequence homology

Sequence homology is the biological homology between DNA, RNA, or protein sequences, defined in terms of shared ancestry in the evolutionary history of life.

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Signal recognition particle

The signal recognition particle (SRP) is an abundant, cytosolic, universally conserved ribonucleoprotein (protein-RNA complex) that recognizes and targets specific proteins to the endoplasmic reticulum in eukaryotes and the plasma membrane in prokaryotes.

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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.

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Small GTPase

Small GTPases, also known as small G-proteins, are a family of hydrolase enzymes that can bind and hydrolyze guanosine triphosphate (GTP).

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Thrombin receptor

There are three known thrombin receptors termed PAR1, PAR3 and PAR4 (PAR for protease-activated receptor).

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Transducin

Transducin (Gt) is a protein naturally expressed in vertebrate retina rods and cones and it is very important in vertebrate phototransduction.

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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.

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Vesicle (biology and chemistry)

In cell biology, a vesicle is a small structure within a cell, or extracellular, consisting of fluid enclosed by a lipid bilayer.

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Vibrio cholerae

Vibrio cholerae is a Gram-negative, comma-shaped bacterium.

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Redirects here:

GTP-ase, GTPase superfamily, GTPases, Gtp phosphohydrolases, Gtpases, Guanosine triphosphatase.

References

[1] https://en.wikipedia.org/wiki/GTPase

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