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ENZYME entry: EC 1.8.5.5

Accepted Name
Thiosulfate reductase (quinone).
Reaction catalysed
Sulfite + hydrogen sulfide + a quinone <=> thiosulfate + a quinol
Cofactor(s)
Heme b; Iron-sulfur; Molybdopterin guanine dinucleotide.
Comment(s)
  • The enzyme, characterized from the bacterium Salmonella enterica, is similar to EC 1.17.5.3.
  • The reaction occurs in vivo in the direction of thiosulfate disproportionation, which is highly endergonic.
  • It is driven by the proton motive force that occurs across the cytoplasmic membrane.
Cross-references
BRENDA1.8.5.5
EC2PDB1.8.5.5
ExplorEnz1.8.5.5
PRIAM enzyme-specific profiles1.8.5.5
KEGG Ligand Database for Enzyme Nomenclature1.8.5.5
IUBMB Enzyme Nomenclature1.8.5.5
IntEnz1.8.5.5
MEDLINEFind literature relating to 1.8.5.5
MetaCyc1.8.5.5
Rhea expert-curated reactions1.8.5.5
UniProtKB/Swiss-Prot
P37600, PHSA_SALTY

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