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1.13.11.55: sulfur oxygenase/reductase

This is an abbreviated version!
For detailed information about sulfur oxygenase/reductase, go to the full flat file.

Word Map on EC 1.13.11.55

Reaction

4 sulfur + 4 H2O +

O2
= 2 hydrogen sulfide + 2 sulfite

Synonyms

AaSOR, SAMN00768000_1627, SAMN00768000_1798, SOR, SOR protein, SOR-AT, sulfur oxygenase, sulfur oxygenase reductase, sulfuroxygenasereductase, sulphur oxygenase reductase, TpSOR, TPY_0405

ECTree

     1 Oxidoreductases
         1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)
             1.13.11 With incorporation of two atoms of oxygen
                1.13.11.55 sulfur oxygenase/reductase

Specific Activity

Specific Activity on EC 1.13.11.55 - sulfur oxygenase/reductase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.02
mutant C101S, U/mg, reductase reaction
0.04
-
mutant C104S, formation of sulfite plus thiosulfate, 70°C
0.05
crude enzyme extract, sulfur reductase activity, pH 7.5, 75°C
0.074
-
wild type in cellular lysate, formation of sulfite plus thiosulfate, 70°C
0.08
-
mutant C101S, formation of sulfite plus thiosulfate, 70°C
0.1078
-
wild type in supernatant, formation of sulfite plus thiosulfate, 70°C
0.11
mutant E114D, U/mg, oxygenase reaction
0.12
mutant C101S, U/mg, oxygenase reaction
0.21
-
wild-type enzyme in absence of GSH, pH 8.0, 80°C
0.22
crude enzyme extract, sulfur oxygenase activity, pH 7.5, 75°C
0.23
mutant C104A, U/mg, reductase reaction
0.43
mutant C101A, U/mg, reductase reaction
0.476
-
wild type in pellet, formation of sulfite plus thiosulfate, 70°C
0.5
cytoplasm, pH 7.4, 85°C, sulfur reduction
0.6
mutant C104S, U/mg, reductase reaction
0.64
mutant C101/104A, U/mg, reductase reaction
0.95
-
80°C, pH 6, production of hydrogen sulfite
1.12
mutant C101/104A, U/mg, oxygenase reaction
1.17
mutant C101/104S, U/mg, reductase reaction
1.35
mutant C104A, U/mg, oxygenase reaction
1.47
mutant C101, U/mg, oxygenase reaction
1.75
-
mutant C101S, pH 8.0, 80°C
1.89
cytoplasm, pH 7.4, 85°C, sulfur oxidation
10.5
-
80°C, pH 6, oxygenase reaction
11.52
wild type, U/mg, oxygenase reaction
17.17
-
wild-type enzyme in presence of GSH, pH 8.0, 80°C
186.7
-
formation of sulfite and thiosulfate
2.28
mutant C104S, U/mg, oxygenase reaction
2.29
mutant C101/104S, U/mg, oxygenase reaction
28600
wild type, cell lysate, 65°C, 20 mM Tris-HCl, pH 8.0, formation of thiosulfate and sulfite
29700
wild type, cell lysate treated at 75°C for 15 min, 65°C, 20 mM Tris-HCl, pH 8.0, formation of thiosulfate and sulfite
3.28
-
mutant H90A, pH 8.0, 80°C
3.47
-
mutant H86A, pH 8.0, 80°C
308 - 454
-
purified recombinant enzyme, pH 9.0, 80°C, thiosulfate- and sulfite-producing oxygenase activity
3100
wild type, cell lysate, 65°C, 20 mM Tris-HCl, pH 8.0, formation of H2S
3300
wild type, cell lysate treated at 75°C for 15 min, 65°C, 20 mM Tris-HCl, pH 8.0, formation of H2S
4.19
wild type, U/mg, reductase reaction
4.85
-
wild type, formation of sulfite plus thiosulfate, 70°C
45200
Escherichia coli HB101, cell lysate treated at 75°C for 15 min, 65°C, 20 mM Tris-HCl, pH 8.0, formation of H2S
5.46
-
mutant E114A, pH 8.0, 80°C
6300
Escherichia coli HB101, cell lysate, 65°C, 20 mM Tris-HCl, pH 8.0, formation of H2S
75000
Escherichia coli HB101, cell lysate, 65°C, 20 mM Tris-HCl, pH 8.0, formation of thiosulfate and sulfite
753000
Escherichia coli HB101, cell lysate treated at 75°C for 15 min, 65°C, 20 mM Tris-HCl, pH 8.0, formation of thiosulfate and sulfite
8.09
-
mutant C104S, pH 8.0, 80°C
additional information