Primary structure of porin from Rhodobacter capsulatus
نویسندگان
چکیده
منابع مشابه
Porin of Rhodobacter capsulatus: biochemical and functional characterization.
The major outer membrane protein of Rhodobacter capsulatus 37b4 (capsule-free) was isolated. Strong porin-activity was observed after reconstitution into artificial lipid bilayer membranes with a single channel conductance of 3.15 nS in 1 M KCl. The porin migrated as a broad, single band (Mr above 90,000) on sodium dodecyl sulfate polyacrylamide gel electrophoresis and dissociated into a single...
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Photosynthetic bacteria offer excellent experimental opportunities to explore both the structure and function of the ubiquinol-cytochrome c oxidoreductase (bcl complex). In both Rhodobacter sphaeroides and Rhodobaeter capsulatus, the bCl complex functions in both the aerobic respiratory chain and as an essential component of the photosynthetic electron transport chain. Because the bc~ complex i...
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Cytoplasmic membrane vesicles isolated from the gram-negative photosynthetic bacterium Rhodobacter capsulatus catalyzed the transport of nucleotides. No transport occurred in the intact bacteria unless they were pretreated with EDTA. The transport rate was measured by incorporation of radioactive phosphate into externally added ADP or by incorporation of nonradioactive phosphate into added labe...
متن کاملCloning, characterization, and regulation of nifF from Rhodobacter capsulatus.
The Rhodobacter capsulatus nifF gene and upstream sequence were cloned by using a probe based on the N-terminal sequence of NifF. nifF was found to not be contained in the previously described nif regions I, II, and III. Comparison of the deduced amino acid sequence showed that it is highly similar to NifF from Azotobacter vinelandii and NifF from Klebsiella pneumoniae. Analysis of translationa...
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To find whether productivity of bacteriocin is controlled between different species under unusual cultural conditions, we used Rhodobacter capsulatus ATCC 17016 as a producer and Rhodopseudomonas palustris ATCC 17003 as an indicator. Rhodobacter capsulatus was cultured under aerobic conditions in the dark in Lascelles medium containing 0.3% Triton X-100. As a result, bacteriocin productivity in...
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ژورنال
عنوان ژورنال: European Journal of Biochemistry
سال: 1991
ISSN: 0014-2956,1432-1033
DOI: 10.1111/j.1432-1033.1991.tb16158.x