Download MendeleyStructure of cytochrome c2 from Rhodospirillum centenum.
Camara-Artigas, A., Williams, J.C., Allen, J.P.(2001) Acta Crystallogr D Biol Crystallogr 57: 1498-1505
- PubMed: 11679712
- DOI: https://doi.org/10.1107/s0907444901010423
- Primary Citation of Related Structures:
1JDL - PubMed Abstract:
Cytochrome c(2) from the purple photosynthetic bacterium Rhodospirillum centenum has been crystallized by the sitting-drop vapour-diffusion method. The crystals belong to the orthorhombic space group P2(1)2(1)2(1), with unit-cell parameters a = 29.7, b = 59.9, c = 65.4 A, and diffract to a resolution limit of 1.7 A. The Fe-atom position was determined from its anomalous scattering contribution and a molecular-replacement solution was calculated. The correctness of the solution was confirmed by parallel isomorphous replacement studies. The resulting model has a type I cytochrome fold with two features, an extended alpha-helix and a surface-charge distribution, that are distinctive to this protein. The implications of these structural features for the ability of the cytochrome to serve as an electron carrier are discussed.
Organizational Affiliation:
Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ 85287-1604, USA.
