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Synthesis of human proinsulin sequence 71-86, II: Improved synthesis of the fragment
Abstract:
An improved synthesis of a fully protected hexadecapeptide Bpoc-Cys(Trt)-Cys-(Trt)-Thr(But)-Ser(But)-Ile-Cys(Trt)-Ser(But)-Leu-Tyr(But)-Gln-Leu-Glu(OBut)-Asn-Tyr(But)-Cys(Trt)-Asn-OBut, which corresponds to the amino acid sequence 71-86 of human proinsulin, is described. The final product was obtained by the condensation of three fragments 71-74, 75-77 and 78-86.