Brand  (β version)

PDB ID: 7GEP

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Ligands
Code Name Style Show Link
NA Sodium ion PoSSuM
SF4 Iron/sulfur cluster PoSSuM
SRM Siroheme PoSSuM
SX Sulfur oxide PoSSuM
Non-standard Residues
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Glycosylation
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Structure summary

Code : 7GEP   PDBj   RCSB PDB   PDBe
Header : OXIDOREDUCTASE
Title : SULFITE REDUCTASE HEMOPROTEIN IN COMPLEX WITH A PARTIALLY OXIDIZED SULFIDE SPECIES
Release Data : 1998-01-14
Compound :
mol_id molecule chains synonym
1 SULFITE REDUCTASE HEMOPROTEIN A SIRHP
ec: 1.8.1.2
Source :
mol_id organism_scientific expression_system
1 Escherichia coli  (taxid:37762) Salmonella typhimurium  (taxid:602)
strain: B
gene: CYSIJ
expression_system_strain: CYSI68
expression_system_plasmid: PJYW613
expression_system_gene: CYSIJ
other_details: PBR322 DERIVATIVE CONTAINING ESCHERICHIA COLI CYSIJ AND S. TYPHIMURIUM CYSG UNDER CONTROL OF THE CYSJIH PROMOTOR EXPRESSED IN A S. TYPHIMURIUM CYSI AUXOTROPH
Authors : Crane, B.R., Getzoff, E.D.
Keywords : OXIDOREDUCTASE, SIROHEME FEIII, [4FE-4S] +2, SULFIDE COMPLEX, INTERMEDIATE
Exp. method : X-RAY DIFFRACTION ( 2.4 Å )
Citation :

Probing the catalytic mechanism of sulfite reductase by X-ray crystallography: structures of the Escherichia coli hemoprotein in complex with substrates, inhibitors, intermediates, and products.

Crane, B.R.,Siegel, L.M.,Getzoff, E.D.
(1997)  Biochemistry  36 : 12120 - 12137

PubMed: 9315849
DOI: 10.1021/bi971066i

Sulfite Reductase Structure at 1.6 A: Evolution and Catalysis for Reduction of Inorganic Anions

Crane, B.R.,Siegel, L.M.,Getzoff, E.D.
(1995)  Science  270 : 59

Reaction

Chain : A
UniProt : P17846 (CYSI_ECOLI)
Reaction: EC: Evidence:
Physiological Direction:
3 H2O + hydrogen sulfide + 3 NADP(+) = 4 H(+) + 3 NADPH + sulfite 1.8.1.2 HAMAP- Rule:MF_01540
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