C-peptide

(redirected from proinsulin C-peptide)
Also found in: Medical.

C-peptide

[¦sē ′pep‚tīd]
(biochemistry)
A metabolically inactive polypeptide chain that is a by-product of normal insulin production by the beta cells in the pancreas.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The expression of proinsulin C-peptide from differentiated IPCs was analyzed by flow cytometry (Figures 1(a)-1(c)).
The latter is defined as proinsulin C-peptide fragment 33-63 with the amino acid sequence EAEDLQVGQVELGGGPGAGSLQPLALEGSLQ [relative molecular mass ([M.sub.r]) 3020.3].
Proinsulin C-peptide and its C-terminal pentapeptide: degradation in human serum and Schiff base formation with subsequent C[O.sub.2] incorporation.