Saturday, May 24, 2014

[Fe3S4] ferredoxin from Rhodopseudomonas palustris

The crystal structure of a novel [Fe3S4] ferredoxin associated with CYP194A4 from Rhodopseudomonas palustris has been solved at 2.15 Å resolution [1—3]. The ferredoxin, HaPuxC, contains an atypical CXXHXXC(X)nCP iron-sulphur cluster-binding motif. HaPuxC is the first P450 electron-transfer partner of this type to be structurally characterised.

  1. Zhang, T., Zhang, A., Bell, S.G., Wong, L.-L. and Zhou, W. (2014) The structure of a novel electron-transfer ferredoxin from Rhodopseudomonas palustris HaA2 which contains a histidine residue in its iron-sulfur cluster-binding motif. Acta Crystallographica D70, 1453—1464.
  2. PDB:4ID8
  3. PDB:4OV1

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