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Article

Roles of a short connecting disulfide bond in the stability and function of psychrophilic Shewanella violacea cytochrome c (5).

Extremophiles : life under extreme conditions - 1 Nov 2007

Ogawa Keiko, Sonoyama Takafumi, Takeda Taku, Ichiki Shin-Ichi, Nakamura Shota, Kobayashi Yuji, Uchiyama Susumu, Nakasone Kaoru, Takayama Shin-Ichi J, Mita Hajime, Yamamoto Yasuhiko, Sambongi Yoshihiro

Abstract excerpt

Cys-59 and Cys-62, forming a disulfide bond in the four-residue loop of Shewanella violacea cytochrome c (5) (SV cytc (5)), contribute to protein stability but not to redox function. These Cys residues were substituted with Ala in SV cytc (5), and the structural and functional properties of the resulting C59A/C62A variant were determined and compared with those of the wild-type. The variant had similar features...

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PMID: 17657404
DOI: 10.1007/s00792-007-0099-5

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