Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A peptide, such as a small protein, containing many molecules of amino acids, typically between 10 and 100.
from The Century Dictionary.
- noun A chemical product formed by the condensation of two or more amino-acid radicals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry Any
polymer of (same or different)amino acids joined viapeptide bonds . - noun biochemistry Any such polymer that is not
folded into asecondary structure of aprotein . - noun biochemistry A small
protein containing up to 100amino acids ; see alsooligopeptide .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a peptide containing 10 to more than 100 amino acids
Etymologies
Sorry, no etymologies found.
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Examples
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For awhile I was studying up on the presence of d-aa in polypeptide chains, with these peptides being produced biotically.
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This greatly reduces errors in polypeptide chain elongation, and is therefore highly favored by natural selection.
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A larger number of these amino acids combined are called a polypeptide or protein, and these are chemically active in making a living being.
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Secretin and other hormones of similar nature are built up of amino acid chains containing more than a dozen and less than a hundred amino acids and are therefore sometimes called polypeptide hormones rather than protein hormones.
The Human Brain Asimov, Isaac 1963
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Although several constituents of bitter melon have hypoglycemic properties, most interest has focused on a polypeptide isolated from the seeds called polypeptide-p and a mixture of two steroid glycosides referred to as charantin.
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But you, Mr. and Ms. Olympic “Could Be If You Only Made an Effort” Athlete, you are fully entitled to the rush to be gained from endogenous opioid polypeptide compounds.
Because There Are Only 879 Days Until London 2012 « The Blog at 16th and Q 2010
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In the 1950s to 1970s, molecular biologists were sure that each DNA sequence could not encode more than one polypeptide chain.
James A. Shapiro: DNA as Poetry: Multiple Messages in a Single Sequence James A. Shapiro 2012
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In the 1950s to 1970s, molecular biologists were sure that each DNA sequence could not encode more than one polypeptide chain.
James A. Shapiro: DNA as Poetry: Multiple Messages in a Single Sequence James A. Shapiro 2012
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Many hormones are of a polypeptide nature, and in 1955 Vincent du Vigneaud of Cornell University was given the prize for his synthesis of two such hormones, vasopressin and oxytocin.
The Nobel Prize in Chemistry: The Development of Modern Chemistry 2010
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But you, Mr. and Ms. Olympic “Could Be If You Only Made an Effort” Athlete, you are fully entitled to the rush to be gained from endogenous opioid polypeptide compounds.
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