CHARACTERIZATION OF A COPROPORPHYRIN PROTEIN COMPLEX FROM RHODOBACTER-CAPSULATUS

被引:8
作者
BIEL, AJ
机构
关键词
RHODOBACTER-CAPSULATUS; COPROPORPHYRIN; BACTERIOCHLOROPHYLL SYNTHESIS;
D O I
10.1016/0378-1097(91)90468-P
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Rhodobacter capsulatus strain AJB530 excretes large amounts of coproporphyrin into the culture supernatant. The coproporphyrin was precipitable with ammonium sulfate, suggesting that it was part of a macromolecular complex. Analysis of an ammonium sulfate fraction indicated that the coproporphyrin was bound to a 66-kDa protein with a pI' of 4.0. The same protein was found in the culture supernatant of the bch+ strain PAS100.
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页码:43 / 48
页数:6
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