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Literature summary for 1.8.5.4 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

Protein Variants Comment Organism
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

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

Molecular Weight [Da]

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

Organism

Organism UniProt Comment Textmining
Rhodobacter capsulatus Q52722
-
-
Rhodobacter capsulatus DSM Z 155 Q52722
-
-

Substrates and Products (Substrate)

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

Synonyms

Synonyms Comment Organism
SQR
-
Rhodobacter capsulatus
sulfide-quinone reductase
-
Rhodobacter capsulatus

Cofactor

Cofactor Comment Organism Structure
FAD
-
Rhodobacter capsulatus

General Information

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