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sigma peptide

 

Definition: a peptide with one end bonded to a point within the chain, usually by means of the disulfide group of a cystinyl so that only one end of the peptide is free; so called because the peptide chain has then the rough shape of the Greek letter sigma; oxytocin.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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