Characterization of three soluble c-type cytochromes isolated from soybean root nodule bacteroids of Bradyrhizobium japonicum strain CC705 | Zendy

C Appleby | Zendy

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Characterization of three soluble c-type cytochromes isolated from soybean root nodule bacteroids of Bradyrhizobium japonicum strain CC705

Author(s) -

C Appleby

Publication year - 1991

Publication title -

fems microbiology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.899

H-Index - 151

eISSN - 1574-6968

pISSN - 0378-1097

DOI - 10.1016/0378-1097(91)90344-a

Subject(s) - bradyrhizobium japonicum , biochemistry , adenylate kinase , aspergillus nidulans , isozyme , strain (injury) , chemistry , cytosol , biology , staining , enzyme , rhizobiaceae , microbiology and biotechnology , bacteria , symbiosis , mutant , genetics , anatomy , gene

Three soluble, low molecular mass cytochromes c (Mr 8000-15,000) were isolated and purified from soybean root nodule bacteroids of Bradyrhizobium japonicum strain CC705. On the basis of their alpha: absorbance peaks in the reduced forms, they were named cytochromes c550, c552 and c555. Cytochrome c552 reacted very fast, c555 very slowly and c550 not at all with carbon monoxide. The complete amino acid sequence (73 residues) of cytochrome c552 was established which identifies it as a monoheme, class I cytochrome c with some remote similarity to the cytochrome c6 family.

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