申请人:Mitsubishi Petrochemical Co., Ltd.
公开号:US04703106A1
公开(公告)日:1987-10-27
There are disclosed a novel polypeptide represented by the formula shown below or its acid addition salt or complex: ##STR1## wherein Ala represents alanine, Ser serine, Leu leucine, Thr threonine, Val valine, Gly glycine, Lys lysine, Gln glutamine, Glu glutamic acid, His histidine, Tyr tyrosine, Pro proline, Arg arginine, Asp aspartic acid, and n represents an integer of 3 to 7, and a process for producing the same comprising forming a peptide or polypeptide represented by the above formula and subjecting the structural units containing a peptide residue represented by the formula: ##STR2## wherein R represents an active ester residue, Ala, Ser, Leu, Thr and n have the same meanings as defined above, formed in any step of the reaction to cyclization reaction.
本发明揭示了一种新型多肽,其表示为下式或其酸加成盐或复合物:##STR1## 其中Ala代表丙氨酸,Ser代表丝氨酸,Leu代表亮氨酸,Thr代表苏氨酸,Val代表缬氨酸,Gly代表甘氨酸,Lys代表赖氨酸,Gln代表谷氨酰胺,Glu代表谷氨酸,His代表组氨酸,Tyr代表酪氨酸,Pro代表脯氨酸,Arg代表精氨酸,Asp代表天冬氨酸,n代表3到7之间的整数,以及制备该多肽的方法,包括形成上述式子所表示的肽或多肽,并将在反应的任何步骤中形成的包含表示为下式的肽残基的结构单元:##STR2## 其中R代表活性酯基残基,Ala,Ser,Leu,Thr和n具有上述定义的相同含义,进行环化反应。