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Literature summary extracted from

  • Schuetz, M.; Maldener, I.; Griesbeck, C.; Hauska, G.
    Sulfide-quinone reductase from Rhodobacter capsulatus: requirement for growth, periplasmic localization, and extension of gene sequence analysis (1999), J. Bacteriol., 181, 6516-6523.
    View publication on PubMedView publication on EuropePMC

Protein Variants

EC Number Protein Variants Comment Organism
1.8.5.4 additional information no SQR activity is found in membranes from mutants F14 and 22/11. Membranes of strain F14sn show 6-7times the activity of the membranes from the wild type strain Rhodobacter capsulatus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.8.5.4 cytoplasmic membrane periplasmic surface of the cytoplasmic membrane Rhodobacter capsulatus
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.8.5.4 46930
-
 deduced from amino acid sequence Rhodobacter capsulatus

Organism

EC Number Organism UniProt Comment Textmining
1.8.5.4 Rhodobacter capsulatus Q52722
-
-
1.8.5.4 Rhodobacter capsulatus DSM Z 155 Q52722
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.8.5.4 sulfide + quinone
-
 Rhodobacter capsulatus sulfur + quinol
-
 ?
1.8.5.4 sulfide + quinone
-
 Rhodobacter capsulatus DSM Z 155 sulfur + quinol
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.8.5.4 SQR
-
 Rhodobacter capsulatus
1.8.5.4 sulfide-quinone reductase
-
 Rhodobacter capsulatus

Cofactor

EC Number Cofactor Comment Organism Structure
1.8.5.4 FAD
-
 Rhodobacter capsulatus

General Information

EC Number General Information Comment Organism
1.8.5.4 physiological function sulfide-quinone reductase is essential for photoautotrophic growth on sulfide and is involved in energy conversion, but not in detoxification Rhodobacter capsulatus