Sequence of the bchG gene from Chloroflexus aurantiacus: Relationship between chlorophyll synthase and other polyprenyltransferases

被引:39
作者
Lopez, JC [1 ]
Ryan, S [1 ]
Blankenship, RE [1 ]
机构
[1] ARIZONA STATE UNIV,CTR STUDY EARLY EVENTS PHOTOSYNTHESIS,DEPT CHEM & BIOCHEM,TEMPE,AZ 85287
关键词
D O I
10.1128/jb.178.11.3369-3373.1996
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The sequence of the Chloroflexus aurantiacus open reading frame thought to be the C. aurantiacus homolog of the Rhodobacter capsulatus bchG gene is reported. The BchG gene product catalyzes esterification of bacteriochlorophyllide a by geranylgeraniol-PP, during bacteriochlorophyll a biosynthesis. Homologs from Arabidopsis thaliana, Synechocystis sp. strain PCC6803, and C. aurantiacus were identified in database searches. Profile analysis identified three related polyprenyltransferase enzymes which attach an aliphatic alcohol PPi to an aromatic substrate. This suggests a broader relationship between chlorophyll synthases and other polyprenyltransferases.
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页码:3369 / 3373
页数:5
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