polypeptide

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“
The conformation of a polypeptide or protein chain may be specified by stating the orientations of the two linked peptide residues at each alpha carbon atom in the chain, namely the two dihedral angles phi, phi 'about the single bonds N-- alphaC and alphaC -- C' from a defined standard conformation.

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Definitions (3)

Toggle American Heritage definitions American Heritage Dictionary (1)

  1. noun A peptide, such as a small protein, containing many molecules of amino acids, typically between 10 and 100.

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Examples (25)

  • Almost any crystallite preparation that produces small isolated crystals can be substituted for the polypeptide preparation.
  • (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP), only the first one or its mimetics or enhancers can be used for treatment because the diabetic beta-cell is resistant to GIP action. —  CiteULike: Everyone's library
  • / (PDB identifiers 1HLU for beta actin, 1TUB for tubulin, 1DXT for hemoglobin, and 1ZNQ for GADPH) with arginylated positions highlighted in yellow within the polypeptide chains and marked with red letters R. Alpha and beta for tubulin indicate the corresponding polypeptide chains. —  PLoS Biology: New Articles
  • Top: schematic representation of a protein containing two subunits (I, magenta and brown, and II, blue), whose subunit I is divided into two structurally and functionally distinct subdomains (A and B) within the same polypeptide chain. —  PLoS Biology: New Articles
  • Hod, Y., and Hershko, A. (1978) A heat-stable polypeptide component of an ATP-dependent proteolytic system from reticulocytes. —  Journal of Biological Chemistry current issue
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Etymologies (1)

Toggle Century etymologies Century Dictionary (1)

  1. Greek πολύς, many, + English peptide.
 

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/pɑlɪˈpɛptɪd/
by American Heritage

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