Two distinct ferredoxins from Rhodobacter capsulatus: complete amino acid sequences and molecular evolution.

Two distinct ferredoxins from Rhodobacter capsulatus: complete amino acid sequences and molecular evolution. Research Abstract Details 

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Two distinct ferredoxins from Rhodobacter capsulatus: complete amino acid sequences and molecular evolution. Abstract Text:

K Saeki,Y Suetsugu,Y Yao,T Horio,B L Marrs,H Matsubara,

Two distinct ferredoxins were purified from Rhodobacter capsulatus SB1003. Their complete amino acid sequences were determined by a combination of protease digestion, BrCN cleavage and Edman degradation. Ferredoxins I and II were composed of 64 and 111 amino acids, respectively, with molecular weights of 6,728 and 12,549 excluding iron and sulfur atoms. Both contained two Cys clusters in their amino acid sequences. The first cluster of ferredoxin I and the second cluster of ferredoxin II had a sequence, CxxCxxCxxxCP, in common with the ferredoxins found in Clostridia. The second cluster of ferredoxin I had a sequence, CxxCxxxxxxxxCxxxCM, with extra amino acids between the second and third Cys, which has been reported for other photosynthetic bacterial ferredoxins and putative ferredoxins (nif-gene products) from nitrogen-fixing bacteria, and with a unique occurrence of Met. The first cluster of ferredoxin II had a CxxCxxxxCxxxCP sequence, with two additional amino acids between the second and third Cys, a characteristics feature of Azotobacter-[3Fe-4S] [4Fe-4S]-ferredoxin. Ferredoxin II was also similar to Azotobacter-type ferredoxins with an extended carboxyl (C-) terminal sequence compared to the common Clostridium-type. The evolutionary relationship of the two together with a putative one recently found to be encoded in nifENXQ region in this bacterium [Moreno-Vivian et al. (1989) J. Bacteriol. 171, 2591-2598] is discussed.

Two distinct ferredoxins from Rhodobacter capsulatus: complete amino acid sequences and molecular evolution. Publishing Authors By Initials

K Saeki,Y Suetsugu,Y Yao,T Horio,BL Marrs,H Matsubara,

For similar bacteria: gram-negative bacteria: rhodobacter: rhodobacter capsulatus research abstracts see: bacteria: gram-negative bacteria: rhodobacter: rhodobacter capsulatus research

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Two distinct ferredoxins from Rhodobacter capsulatus: complete amino acid sequences and molecular evolution. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of biochemistry

VOLUME: 108

Page Numbers: 475-82

Journal Abbreviation: J. Biochem.

ISSN: 0021-924X

DAY: 19

MONTH: Sep

YEAR: 1990

Two distinct ferredoxins from Rhodobacter capsulatus: complete amino acid sequences and molecular evolution. Information

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LANGUAGE: eng

NlmUniqueID: 376600

Two distinct ferredoxins from Rhodobacter capsulatus: complete amino acid sequences and molecular evolution. Keywords Mesh Terms:

KEYWORDS: Rhodobacter capsulatus

MESH TERMS: genetics

Chemical & Substance for Abstract: Two distinct ferredoxins from Rhodobacter capsulatus: complete amino acid sequences and molecular evolution. Information

Substance Name: Endopeptidases

Registry Number: EC 3.4.-

Grant and Affiliation Information for Two distinct ferredoxins from Rhodobacter capsulatus: complete amino acid sequences and molecular evolution.

AFFILIATION: Department of Biology, Faculty of Science, Osaka University.

Country: JAPAN

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MEDLINETA: J Biochem

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