THE IDENTIFICATION AND PURIFICATION OF THE HETEROTRIMERIC GTP-BINDING PROTEIN FROM SQUID (LOLIGO-FORBESI) PHOTORECEPTORS

被引：37

作者：

POTTINGER, JDD ^{[1
]}

RYBA, NJP ^{[1
]}

KEEN, JN ^{[1
]}

FINDLAY, JBC ^{[1
]}

机构：

[1] UNIV LEEDS,DEPT BIOCHEM & MOLEC BIOL,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND

来源：

BIOCHEMICAL JOURNAL | 1991年 / 279卷

关键词：

D O I：

10.1042/bj2790323

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 principal GTP-binding protein (G-protein) from squid (Loligo forbesi) photoreceptor membranes has been identified by amino acid sequencing. The heterotrimeric protein was purified by detergent solubilization and ion-exchange chromatography. The amino acid sequence of the G-protein alpha-subunit (G-alpha) indicates that this subunit is closely related to the recently characterized Gq subgroup, whereas the G-gamma subunit varies widely in sequence from other homologues.

引用

页码：323 / 326

页数：4

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