KEGG   ENZYME: 1.8.99.1Help
Entry
EC 1.8.99.1                 Enzyme                                 

Name
sulfite reductase;
assimilatory sulfite reductase;
assimilatory-type sulfite reductase;
hydrogen-sulfide:(acceptor) oxidoreductase
Class
Oxidoreductases;
Acting on a sulfur group of donors;
With other, unknown, acceptors
BRITE hierarchy
Sysname
hydrogen-sulfide:acceptor oxidoreductase
Reaction(IUBMB)
hydrogen sulfide + acceptor + 3 H2O = sulfite + reduced acceptor [RN:R00861]
Reaction(KEGG)
R00861;
(other) R03597
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Substrate
hydrogen sulfide [CPD:C00283];
acceptor [CPD:C00028];
H2O [CPD:C00001]
Product
sulfite [CPD:C00094];
reduced acceptor [CPD:C00030]
Comment
An iron-protein. A stoichiometry of six molecules of reduced methyl viologen per molecule of sulfide formed was found.
History
EC 1.8.99.1 created 1972
Pathway
Sulfur metabolism
Metabolic pathways
Microbial metabolism in diverse environments
Orthology
K11180  
sulfite reductase alpha subunit
K11181  
sulfite reductase beta subunit
Genes
ALV: 
TVI: 
TMB: 
AEH: 
HHA: 
TGR: 
TNI: 
RMA: 
VOK: 
COSY_0794(dsrB) COSY_0795(dsrA)
TBD: 
SDR: 
SCD_n02074(dsrA) SCD_n02717(dsrB) SCD_n02718(dsrA)
SLT: 
DVU: 
DVU0402(dsvA) DVU0403(dvsB)
DVL: 
DVM: 
DVG: 
DDE: 
DDS: 
DDN: 
DMA: 
DSA: 
DAS: 
DAF: 
DHY: 
DPI: 
BN4_12627(dsrA) BN4_12628(dsrB)
DGG: 
DGI_0689(dsrB) DGI_0691(dsrA)
DBA: 
DRT: 
DPS: 
DAK: 
DPR: 
DSF: 
DOL: 
DAL: 
DAT: 
HRM2_42390(dsrB2) HRM2_42400(dsrA2)
DTO: 
DAO: 
DTI: 
SFU: 
DBR: 
DAV: 
RVA: 
MAG: 
MGY: 
MGM: 
DSY: 
DSY0309(dsrA) DSY0310(dsrB)
DHD: 
DDH: 
DDL: 
DRM: 
DAE: 
DCA: 
DKU: 
DRU: 
DGI: 
DAU: 
DOR: 
DAI: 
DMI: 
CHY: 
CHY_2409(dsrB) CHY_2410(dsrA)
MTA: 
ADG: 
TNR: 
GPA: 
CTE: 
CT0852(dsrA-1) CT0853(dsrB-1) CT2249(dsrA-2)
CPC: 
CCH: 
CPH: 
CPB: 
CLI: 
PVI: 
PLT: 
PPH: 
PAA: 
TYE: 
TID: 
TOP: 
TCM: 
AFU: 
AF0423(dsrA) AF0424(dsrB)
AFG: 
APO: 
AVE: 
AST: 
PAI: 
PIS: 
PCL: 
PAS: 
PYR: 
POG: 
TNE: 
CMA: 
TTN: 
TTX_0423(dsrA) TTX_0424(dsrA) TTX_0426(dsrA) TTX_0427(dsrA) TTX_1187(dsrB) TTX_1188(dsrA)
VDI: 
VMO: 
 » show all
Taxonomy
Reference
1  [PMID:6038492]
  Authors
Asada K.
  Title
Purification and properties of a sulfite reductase from leaf tissue.
  Journal
J. Biol. Chem. 242 (1967) 3646-54.
Reference
2  [PMID:5824566]
  Authors
Asada K, Tamura G, Bandurski RS.
  Title
Methyl viologen-linked sulfite reductase from spinach leaves.
  Journal
J. Biol. Chem. 244 (1969) 4904-15.
Reference
3  [PMID:5589532]
  Authors
Yoshimoto A, Nakamura T, Sato R.
  Title
Isolation from Aspergillus nidulans, of a protein catalyzing the reduction of sulfite by reduced viologen dyes.
  Journal
J. Biochem. (Tokyo). 62 (1967) 756-66.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
37256-51-2

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