An unexpected structural relationship between integral membrane phosphatases and soluble haloperoxidases

被引:115
作者
Neuwald, AF
机构
[1] Natl. Ctr. for Biotech. Information, National Institutes of Health, Bethesda
关键词
Aur1p; bromoperoxidase; Dri42; PAP2; PgpB; vanadate;
D O I
10.1002/pro.5560060817
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 mechanism of a membrane-bound enzyme important in phospholipid signaling, type 2 phosphatidic acid phospha tase, is suggested by sequence motifs shared with a soluble vanadium-dependent chloroperoxidase of known structure, These regions are also conserved in other soluble globular and membrane-associated proteins, including bacterial acid phosphatases, mammalian glucose-6-phosphatases, and the Drosophila developmental protein Wunen. This implies that a similar arrangement of catalytic residues specifies the active sits within both soluble and membrane spanning domains.
引用
收藏
页码:1764 / 1767
页数:4
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