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.
References in periodicals archive ?
The latter is defined as proinsulin C-peptide fragment 33-63 with the amino acid sequence EAEDLQVGQVELGGGPGAGSLQPLALEGSLQ [relative molecular mass ([M.
In conclusion, we developed an ID-LC/tandem MS procedure with sufficient LOD/LOQ and specificity for interference-free measurement of basal and stimulated serum concentrations of proinsulin C-peptide fragment 33-63.
Proinsulin C-peptide and its C-terminal pentapeptide: degradation in human serum and Schiff base formation with subsequent C[O.