PROINSULIN (31-65), HUMAN PROINSULIN C-PEPTIDE (31-65) (HUMAN) C-PEPTIDE (1-35) (HUMAN) arg-arg-glu-ala-glu-asp-leu-gln-val-gly-gln-val-glu-leu-gly-gly-gly-pro-gly-ala-gly-ser-leu-gln-pro-leu-ala-leu-glu-gly-ser-leu-gln-lys-arg Insulin C chain H-Arg-Arg-Glu-Ala-Glu-Asp-Leu-Gln-Val-Gly-Gln-Val-Glu-Leu-Gly-Gly-Gly-Pro-Gly-Ala-Gly-Ser-Leu-Gln-Pro-Leu-Ala-Leu-Glu-Gly-Ser-Leu-Gln-Lys-Arg-OH C-Peptide huManC-Peptide Proinsulin connecting peptide (human)