Information on EC 1.8.99.B2 - tetrathionate reductase

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The enzyme appears in viruses and cellular organisms

EC NUMBER
COMMENTARY hide
1.8.99.B2
preliminary BRENDA-supplied EC number
RECOMMENDED NAME
GeneOntology No.
tetrathionate reductase
-
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
tetrathionate + a reduced electron acceptor = 2 thiosulfate + an oxidized electron acceptor
show the reaction diagram
-
-
-
-
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
-
A8FLS7
UniProt
Manually annotated by BRENDA team
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
tetrathionate + a reduced electron acceptor
2 thiosulfate + an oxidized electron acceptor
show the reaction diagram
NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
tetrathionate + a reduced electron acceptor
2 thiosulfate + an oxidized electron acceptor
show the reaction diagram
COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
heme
A8FLS7
sequence shows two Cys-X2-Cys-His heme c-binding motifs, bifunctional tetrathionate reductase/thiosulphate dehydrogenase
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.01
tetrathionate
A8FLS7
pH 5.0, 42C
TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
426
tetrathionate
Campylobacter jejuni
A8FLS7
pH 5.0, 42C
kcat/KM VALUE [1/mMs-1]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
42600
tetrathionate
Campylobacter jejuni
A8FLS7
pH 5.0, 42C
2223
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
64
A8FLS7
pH 5.0, 42C
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5
A8FLS7
assay at
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
42
A8FLS7
assay at
SUBUNITS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE