PRIMARY STRUCTURE OF BETA-S-CRYSTALLIN FROM HUMAN LENS

被引:15
作者
ZARINA, S [1 ]
ABBASI, A [1 ]
ZAIDI, ZH [1 ]
机构
[1] UNIV KARACHI,HEJ RES INST CHEM,KARACHI 75270,PAKISTAN
关键词
D O I
10.1042/bj2870375
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The complete primary structure of beta(s)-crystallin from human lens is reported. The sequence was elucidated by automatic Edman degradation of tryptic and CNBr peptides. The blocked N-terminal dipeptide was identified by fast-atom-bombardment mass spectroscopy. The sequence comparison with other members of crystallin family reveals a closer relationship to human gamma-crystallin (53% identity) than with betaA3/A1 crystallin (37% identity). The structure, evolutionary characteristics and role of beta(s)-crystallin in lens are discussed.
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页码:375 / 381
页数:7
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