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57 relations: Alanine, Alpha helix, Alzheimer's disease, Amine, Amino acid, Amyloid, Amyloid beta, Beta sheet, Beta-keratin, Biomolecular structure, Carbonyl group, Chicken, Conformational change, Dextrorotation and levorotation, Dihedral angle, Dominance (genetics), Electric charge, Electron crystallography, Epimer, Fiber diffraction, Glycine, Human, Huntingtin, Huntington's disease, Hydrogen bond, Isoleucine, Linus Pauling, Lysozyme, Methyl group, Molecular dynamics, Mutation, Native state, Nitrogen, Nuclear magnetic resonance spectroscopy of proteins, Oxygen, Peptide, Peptide bond, Peptide plane flipping, Phenyl group, Polyglutamine tract, Potassium channel, Prion, Protein, Protein family, Protein folding, Protein primary structure, Protein structure, Ramachandran plot, Random coil, Robert Corey, ..., Side chain, Steric effects, Synaptotagmin 1, Tert-Butyloxycarbonyl protecting group, Transthyretin, Valerie Daggett, X-ray crystallography. Expand index (7 more) »
Alanine
Alanine (symbol Ala or A) is an α-amino acid that is used in the biosynthesis of proteins.
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Alpha helix
The alpha helix (α-helix) is a common motif in the secondary structure of proteins and is a righthand-spiral conformation (i.e. helix) in which every backbone N−H group donates a hydrogen bond to the backbone C.
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Alzheimer's disease
Alzheimer's disease (AD), also referred to simply as Alzheimer's, is a chronic neurodegenerative disease that usually starts slowly and worsens over time.
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Amine
In organic chemistry, amines are compounds and functional groups that contain a basic nitrogen atom with a lone pair.
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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.
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Amyloid
Amyloids are aggregates of proteins that become folded into a shape that allows many copies of that protein to stick together forming fibrils.
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Amyloid beta
Amyloid beta (Aβ or Abeta) denotes peptides of 36–43 amino acids that are crucially involved in Alzheimer's disease as the main component of the amyloid plaques found in the brains of Alzheimer patients.
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Beta sheet
The β-sheet (also β-pleated sheet) is a common motif of regular secondary structure in proteins.
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Beta-keratin
β-keratin or beta-keratin is a protein in the keratin family.
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Biomolecular structure
Biomolecular structure is the intricate folded, three-dimensional shape that is formed by a molecule of protein, DNA, or RNA, and that is important to its function.
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Carbonyl group
In organic chemistry, a carbonyl group is a functional group composed of a carbon atom double-bonded to an oxygen atom: C.
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Chicken
The chicken (Gallus gallus domesticus) is a type of domesticated fowl, a subspecies of the red junglefowl.
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Conformational change
In biochemistry, a conformational change is a change in the shape of a macromolecule, often induced by environmental factors.
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Dextrorotation and levorotation
Dextrorotation and levorotation (also spelled as laevorotation)The first word component dextro- comes from Latin word for dexter "right (as opposed to left)".
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Dihedral angle
A dihedral angle is the angle between two intersecting planes.
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Dominance (genetics)
Dominance in genetics is a relationship between alleles of one gene, in which the effect on phenotype of one allele masks the contribution of a second allele at the same locus.
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Electric charge
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
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Electron crystallography
Electron crystallography is a method to determine the arrangement of atoms in solids using a transmission electron microscope (TEM).
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Epimer
In stereochemistry, an epimer is one of a pair of stereoisomers.
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Fiber diffraction
Fiber diffraction is a subarea of scattering, an area in which molecular structure is determined from scattering data (usually of X-rays, electrons or neutrons).
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Glycine
Glycine (symbol Gly or G) is the amino acid that has a single hydrogen atom as its side chain.
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Human
Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.
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Huntingtin
The huntingtin gene, also called the HTT or HD (Huntington disease) gene, is the IT15 ("interesting transcript 15") gene, which codes for a protein called the huntingtin protein.
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Huntington's disease
Huntington's disease (HD), also known as Huntington's chorea, is an inherited disorder that results in death of brain cells.
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Hydrogen bond
A hydrogen bond is a partially electrostatic attraction between a hydrogen (H) which is bound to a more electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and another adjacent atom bearing a lone pair of electrons.
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Isoleucine
Isoleucine (symbol Ile or I) is an α-amino acid that is used in the biosynthesis of proteins.
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Linus Pauling
Linus Carl Pauling (February 28, 1901 – August 19, 1994) was an American chemist, biochemist, peace activist, author, educator, and husband of American human rights activist Ava Helen Pauling.
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Lysozyme
Lysozyme, also known as muramidase or N-acetylmuramide glycanhydrolase is an antimicrobial enzyme produced by animals that forms part of the innate immune system.
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Methyl group
A methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms — CH3.
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Molecular dynamics
Molecular dynamics (MD) is a computer simulation method for studying the physical movements of atoms and molecules.
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Mutation
In biology, a mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.
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Native state
In biochemistry, the native state of a protein or nucleic acid is its properly folded and/or assembled form, which is operative and functional.
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Nitrogen
Nitrogen is a chemical element with symbol N and atomic number 7.
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Nuclear magnetic resonance spectroscopy of proteins
Nuclear magnetic resonance spectroscopy of proteins (usually abbreviated protein NMR) is a field of structural biology in which NMR spectroscopy is used to obtain information about the structure and dynamics of proteins, and also nucleic acids, and their complexes.
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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Peptide
Peptides (from Gr.: πεπτός, peptós "digested"; derived from πέσσειν, péssein "to digest") are short chains of amino acid monomers linked by peptide (amide) bonds.
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Peptide bond
A peptide bond is a covalent chemical bond linking two consecutive amino acid monomers along a peptide or protein chain.
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Peptide plane flipping
Peptide plane flipping is a type of conformational change that can occur in proteins by which the dihedral angles of adjacent amino acids undergo large-scale rotations with little displacement of the side chains.
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Phenyl group
In organic chemistry, the phenyl group or phenyl ring is a cyclic group of atoms with the formula C6H5.
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Polyglutamine tract
A polyglutamine tract or polyQ tract is a portion of a protein consisting of a sequence of several glutamine units.
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Potassium channel
Potassium channels are the most widely distributed type of ion channel and are found in virtually all living organisms.
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Prion
Prions are misfolded proteins that are associated with several fatal neurodegenerative diseases in animals and humans.
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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 family
A protein family is a group of evolutionarily-related proteins.
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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.
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Protein primary structure
Protein primary structure is the linear sequence of amino acids in a peptide or protein.
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Protein structure
Protein structure is the three-dimensional arrangement of atoms in an amino acid-chain molecule.
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Ramachandran plot
A Ramachandran plot (also known as a Ramachandran diagram or a plot), originally developed in 1963 by G. N. Ramachandran, C. Ramakrishnan, and V. Sasisekharan, is a way to visualize energetically allowed regions for backbone dihedral angles ψ against φ of amino acid residues in protein structure.
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Random coil
A random coil is a polymer conformation where the monomer subunits are oriented randomly while still being bonded to adjacent units.
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Robert Corey
Robert Brainard Corey (August 19, 1897 – April 23, 1971) was an American biochemist, mostly known for his role in discovery of the α-helix and the β-sheet with Linus Pauling.
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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.
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Steric effects
Steric effects are nonbonding interactions that influence the shape (conformation) and reactivity of ions and molecules.
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Synaptotagmin 1
Synaptotagmin 1 (or synaptotagmin) is a Ca2+ sensor in the membrane of the pre-synaptic axon terminal, coded by gene SYT1 (previously SYT) at 12q21.2 (MIM:185605).
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Tert-Butyloxycarbonyl protecting group
The tert-butyloxycarbonyl protecting group (BOC group) is a protecting group used in organic synthesis.
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Transthyretin
Transthyretin (TTR) is a transport protein in the serum and cerebrospinal fluid that carries the thyroid hormone thyroxine (T4) and retinol-binding protein bound to retinol.
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Valerie Daggett
Valerie Daggett is a professor of bioengineering at the University of Washington in Seattle, Washington, United States.
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X-ray crystallography
X-ray crystallography is a technique used for determining the atomic and molecular structure of a crystal, in which the crystalline atoms cause a beam of incident X-rays to diffract into many specific directions.
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Redirects here:
Alpha pleated sheet, Alpha strand, Polar pleated sheet.
References
[1] https://en.wikipedia.org/wiki/Alpha_sheet
