A linear organic polymer consisting of a large number of amino-acid residues bonded together in a chain, forming part of (or the whole of) a protein molecule.
- It is a basic protein with a single polypeptide chain and acts on cellular and model lipid membranes.
- These enzymes break down proteins into polypeptides and then into amino acids, which are absorbed through the gut wall into the bloodstream.
- They both develop random transient beta-strands across the whole polypeptide chain.
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