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。