Brand  (β version)

PDB ID: 1VZH

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Ligands
Code Name Style Show Link
CA Calcium ion PoSSuM
FC6 Hexacyanoferrate(3-) PoSSuM
FE Fe (III) ion PoSSuM
Non-standard Residues
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Structure summary

Code : 1VZH   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : Structure of superoxide reductase bound to ferrocyanide and active site expansion upon X-ray induced photoreduction
Release Data : 2004-08-27
Compound :
mol_id molecule chains synonym
1 DESULFOFERRODOXIN A,B SUPEROXIDE REDUCTASE, DFX, SOR
ec: 1.15.1.2
mutation: YES
Source :
mol_id organism_scientific expression_system
1 DESULFOVIBRIO BAARSII  (taxid:453230) Escherichia coli DH5[alpha]  (taxid:668369)
expression_system_vector: PMLE47A
Authors : Adam, V., Royant, A., Niviere, V., Molina-Heredia, F.P., Bourgeois, D.
Keywords : FERROCYANIDE, MICROSPECTROPHOTOMETRY, REDOX STATES, PHOTOREDUCTION, DINUCLEAR IRON CLUSTER, OXIDOREDUCTASE, ELECTRON TRANSPORT
Exp. method : X-RAY DIFFRACTION ( 1.69 Å )
Citation :

Structure of superoxide reductase bound to ferrocyanide and active site expansion upon X-ray-induced photo-reduction.

Adam, V.,Royant, A.,Niviere, V.  et al.
(2004)  Structure  12 : 1729 - 1740

PubMed: 15341736
DOI: 10.1016/j.str.2004.07.013

Reaction

Chain : A, B
UniProt : Q46495 (DFX_DESB2)
Reaction: EC: Evidence:
Physiological Direction:
reduced [rubredoxin] + superoxide + 2 H(+) = oxidized [rubredoxin] + H2O2 1.15.1.2 PubMed:10617593
-
Cofactor: Evidence: Note:
Fe(3+) ECO:0000269 | PubMed:15341736
Binds 1 Fe(3+) ion per subunit. The iron ion 1 is coordinated via 4 cysteine residues.
Cu(2+) ECO:0000269 | PubMed:15341736
Binds 1 Fe(2+) ion per subunit. The iron ion 2 is coordinated via four histidines and one cysteine residue.