1hh7
From Proteopedia
REFINED CRYSTAL STRUCTURE OF CYTOCHROME C2 FROM RHODOPSEUDOMONAS PALUSTRIS AT 1.4 ANGSTROM RESOLUTION
Structural highlights
FunctionCYC22_RHOPA Cytochrome c2 is found mainly in purple, non-sulfur, photosynthetic bacteria where it functions as the electron donor to the oxidized bacteriochlorophyll in the photophosphorylation pathway. However, it may also have a role in the respiratory chain and is found in some non-photosynthetic bacteria. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedCytochrome c(2) from Rhodopseudomonas palustris has been crystallized in two different crystal forms: a monoclinic form I at pH 4.4 from both reduced and oxidized protein solution and a trigonal form II at pH 9.0 from reduced protein solution. Complete 1. 7 and 1.4 A resolution data sets were collected from the oxidized form I and from the form II, respectively. The preliminary structures show an important change in the iron coordination environment in the trigonal form obtained at basic pH arising from the substitution of the Met ligand by an ammonia molecule. Crystallization and preliminary X-ray analysis of two pH-dependent forms of cytochrome c2 from Rhodopseudomonas palustris.,Garau G, Geremia S, Randaccio L, Vaccari L, Viezzoli MS Acta Crystallogr D Biol Crystallogr. 2000 Dec;56(Pt 12):1699-701. PMID:11092951[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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