Structure of Rhodoferax fermentans high-potential iron-sulfur protein solved by MAD.Gonzalez, A., Benini, S., Ciurli, S.
(2003) Acta Crystallogr.,Sect.D 59: 1582-1588
- PubMed: 12925788
- PubMed Abstract:
- 1H NMR of high potential iron-sulfur protein from the purple non-sulfur bacterium Rhodoferax fermentans
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- Kinetics of photoinduced electron transfer from high potential iron-sulfur protein (HIPIP) to the photosynthetic reaction center of the purple phototroph Rhodoferax fermentans
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(1996) Proc.Natl.Acad.Sci.USA 93: 6998
The crystal structure of Rhodoferax fermentans high-potential iron protein (HiPIP) has been solved by MAD methods using the anomalous signal from the Fe atoms in the [Fe(4)S(4)] cluster present in the protein and refined to a resolution of 1.45 A. Th ...
The crystal structure of Rhodoferax fermentans high-potential iron protein (HiPIP) has been solved by MAD methods using the anomalous signal from the Fe atoms in the [Fe(4)S(4)] cluster present in the protein and refined to a resolution of 1.45 A. The peptide chain is well defined except in the N- and C-terminal areas. The structure of the protein reveals the presence of three helical fragments, a small beta-sheet and several turns, with the [Fe(4)S(4)] cluster being located close to a surface patch containing several well conserved aromatic residues. The protein fold is very similar to the structures of other known HiPIPs, especially in the region proximal to the [Fe(4)S(4)] cluster, while the largest differences are observed on the opposite side of the protein, which is rich in positive charges and has no sequential homology to other HiPIP families.
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