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  • Thumbnail for Protein structure
    Protein structure is the three-dimensional arrangement of atoms in an amino acid-chain molecule. Proteins are polymers – specifically polypeptides – formed...
    36 KB (4,022 words) - 16:54, 15 June 2024
  • Thumbnail for Protein folding
    Protein folding is the physical process by which a protein, after synthesis by a ribosome as a linear chain of amino acids, changes from an unstable random...
    76 KB (8,674 words) - 03:25, 23 August 2024
  • Thumbnail for Protein biosynthesis
    to form a polypeptide chain.[citation needed] Following translation the polypeptide chain must fold to form a functional protein; for example, to function...
    40 KB (4,342 words) - 18:58, 2 April 2024
  • Thumbnail for Protein
    Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions...
    102 KB (11,357 words) - 00:18, 9 September 2024
  • Thumbnail for Post-translational modification
    ribosomes, which translate mRNA into polypeptide chains, which may then change to form the mature protein product. PTMs are important components in cell...
    33 KB (3,189 words) - 03:12, 28 March 2024
  • Thumbnail for Chaperone (protein)
    information for protein folding, and instead assist in protein folding by binding to and stabilizing folding intermediates until the polypeptide chain is fully...
    29 KB (3,499 words) - 07:16, 20 February 2024
  • Thumbnail for Ricin
    Ricin (category Protein pages needing a picture)
    classified as a type 2 ribosome-inactivating protein (RIP). Whereas type 1 RIPs are composed of a single protein chain that possesses catalytic activity, type...
    58 KB (6,619 words) - 20:53, 15 July 2024
  • Thumbnail for Hemoglobin
    Hemoglobin (category Protein heteropolymers)
    consists of protein subunits (globin molecules), which are polypeptides, long folded chains of specific amino acids which determine the protein's chemical...
    98 KB (11,567 words) - 00:44, 26 August 2024
  • Thumbnail for Amino acid
    polarity, ionization, and side-chain group type (aliphatic, acyclic, aromatic, polar, etc.). In the form of proteins, amino-acid residues form the second-largest...
    98 KB (10,141 words) - 04:18, 2 September 2024
  • Thumbnail for Peptide
    Peptide (redirect from Polypeptide chain)
    Polypeptides that have a molecular mass of 10,000 Da or more are called proteins. Chains of fewer than twenty amino acids are called oligopeptides, and include...
    22 KB (2,418 words) - 23:33, 30 July 2024
  • Thumbnail for Protein tertiary structure
    Protein tertiary structure is the three-dimensional shape of a protein. The tertiary structure will have a single polypeptide chain "backbone" with one...
    15 KB (1,603 words) - 16:54, 15 June 2024
  • Thumbnail for Protein quaternary structure
    the structure of proteins which are themselves composed of two or more smaller protein chains (also referred to as subunits). Protein quaternary structure...
    21 KB (2,342 words) - 16:59, 19 May 2024
  • Protein targeting or protein sorting is the biological mechanism by which proteins are transported to their appropriate destinations within or outside...
    52 KB (6,402 words) - 02:22, 14 August 2024
  • Thumbnail for Protein structure prediction
    community project CAMEO3D. Proteins are chains of amino acids joined together by peptide bonds. Many conformations of this chain are possible due to the...
    73 KB (9,014 words) - 20:08, 9 September 2024
  • Thumbnail for Ligand (biochemistry)
    single protein chain, while "polydesmic" ligands (πολοί: many) are frequent in protein complexes, and are ligands that bind more than one protein chain, typically...
    29 KB (3,166 words) - 21:19, 21 August 2024
  • Thumbnail for Protein domain
    In molecular biology, a protein domain is a region of a protein's polypeptide chain that is self-stabilizing and that folds independently from the rest...
    71 KB (8,443 words) - 19:00, 15 August 2024
  • Thumbnail for Knotted protein
    Knotted proteins are proteins whose backbones entangle themselves in a knot. One can imagine pulling a protein chain from both termini, as though pulling...
    23 KB (2,895 words) - 05:10, 8 July 2024
  • Protein metabolism denotes the various biochemical processes responsible for the synthesis of proteins and amino acids (anabolism), and the breakdown of...
    27 KB (2,828 words) - 13:35, 3 August 2024
  • Thumbnail for Peptide bond
    Peptide bond (category Protein structure)
    alpha-amino acid and N2 (nitrogen number two) of another, along a peptide or protein chain. It can also be called a eupeptide bond to distinguish it from an isopeptide...
    12 KB (1,388 words) - 05:15, 27 April 2024
  • Thumbnail for Branched-chain amino acid
    or exceed the RDA for total protein (0.8 g/kg/day; 56 grams for a 70 kg person), meet or exceed the RDAs for branched-chain amino acids. Five enzymes participate...
    29 KB (3,420 words) - 20:54, 29 August 2024
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