EC Number | Activating Compound | Comment | Organism | Structure |
---|---|---|---|---|
1.8.1.2 | coenzyme F420 | - |
Methanocaldococcus jannaschii | |
1.8.7.1 | coenzyme F420 | - |
Methanocaldococcus jannaschii |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.8.1.2 | 0.0122 | - |
sulfite | within a sulfite concentration range of 0.0014-0.3 mM and with a fixed reduced F420 concentration of 0.04 mM | Methanocaldococcus jannaschii | |
1.8.1.2 | 0.021 | - |
reduced F420 | at a fixed sulfite concentration of 0.29 mM and within a reduced F420 concentration range of 0.004-0.06 mM | Methanocaldococcus jannaschii | |
1.8.7.1 | 0.0122 | - |
sulfite | within a sulfite concentration range of 0.0014-0.3 mM and with a fixed reduced coenzyme F420 concentration of 0.04 mM | Methanocaldococcus jannaschii | |
1.8.7.1 | 0.021 | - |
reduced coenzyme F420 | at a fixed sulfite concentration of 0.29 mM and within a reduced coenzyme F420 concentration range of 0.004-0.06 mM | Methanocaldococcus jannaschii | |
1.8.98.3 | 0.012 | - |
sulfite | pH 7.0, temperature not specified in the publication | Methanocaldococcus jannaschii | |
1.8.98.3 | 0.021 | - |
reduced coenzyme F420 | pH 7.0, temperature not specified in the publication | Methanocaldococcus jannaschii |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
1.8.1.2 | 70000 | - |
SDS-PAGE | Methanocaldococcus jannaschii |
1.8.1.2 | 350000 | - |
gel filtration | Methanocaldococcus jannaschii |
1.8.7.1 | 70000 | - |
SDS-PAGE | Methanocaldococcus jannaschii |
1.8.7.1 | 350000 | - |
gel filtration | Methanocaldococcus jannaschii |
1.8.98.3 | 70000 | - |
x * 70000, SDS-PAGE | Methanocaldococcus jannaschii |
1.8.98.3 | 350000 | - |
gel filtration | Methanocaldococcus jannaschii |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.8.98.3 | sulfite + reduced coenzyme F420 | Methanocaldococcus jannaschii | sulfite detoxification and assimilation mechanisms | hydrogen sulfide + oxidized coenzyme F420 | - |
? | |
1.8.98.3 | sulfite + reduced coenzyme F420 | Methanocaldococcus jannaschii DSM 2661 | sulfite detoxification and assimilation mechanisms | hydrogen sulfide + oxidized coenzyme F420 | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
1.8.1.2 | Methanocaldococcus jannaschii | - |
- |
- |
1.8.7.1 | Methanocaldococcus jannaschii | - |
- |
- |
1.8.98.3 | Methanocaldococcus jannaschii | Q58280 | - |
- |
1.8.98.3 | Methanocaldococcus jannaschii DSM 2661 | Q58280 | - |
- |
EC Number | Oxidation Stability | Organism |
---|---|---|
1.8.98.3 | activity in cell extracts is highly oxygen sensitive. About 92% activity is lost if the cell extract is exposed to air for 60 min. Dithiothreitol and 2-mercapotoethanol neither protect the enzyme from inactivation nor restore activity in an air-inactivated enzyme preparation | Methanocaldococcus jannaschii |
EC Number | Purification (Comment) | Organism |
---|---|---|
1.8.1.2 | phenyl-Sepharose chromatography, F420-Sepharose chromatography and QAE-Sephadex gel filtration | Methanocaldococcus jannaschii |
1.8.7.1 | phenyl-Sepharose chromatography, F420-Sepharose chromatography and QAE-Sephadex gel filtration | Methanocaldococcus jannaschii |
1.8.98.3 | - |
Methanocaldococcus jannaschii |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
1.8.1.2 | 0.0013 | - |
in 50 mM potassium phosphate buffer (pH 7), 0.044 mM reduced F420, and 1.5 mM sodium sulfite, from cell extract | Methanocaldococcus jannaschii |
1.8.1.2 | 0.0182 | - |
in 50 mM potassium phosphate buffer (pH 7), 0.044 mM reduced F420, and 1.5 mM sodium sulfite, after 14fold purification | Methanocaldococcus jannaschii |
1.8.7.1 | 0.0013 | - |
in 50 mM potassium phosphate buffer (pH 7), 0.044 mM reduced coenzyme F420, and 1.5 mM sodium sulfite, from cell extract | Methanocaldococcus jannaschii |
1.8.7.1 | 0.0182 | - |
in 50 mM potassium phosphate buffer (pH 7), 0.044 mM reduced coenzyme F420, and 1.5 mM sodium sulfite, after 14fold purification | Methanocaldococcus jannaschii |
1.8.98.3 | 0.09 | - |
pH 7.0, temperature not specified in the publication, substrate: sulfite and reduced methyl viologen | Methanocaldococcus jannaschii |
1.8.98.3 | 1.3 | - |
pH 7.0, temperature not specified in the publication, cell extract, substrate: sulfite and reduced coenzyme F420 | Methanocaldococcus jannaschii |
1.8.98.3 | 18.2 | - |
pH 7.0, temperature not specified in the publication, purified enzyme, substrate: sulfite and reduced coenzyme F420 | Methanocaldococcus jannaschii |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.8.1.2 | sulfite + reduced F420 | - |
Methanocaldococcus jannaschii | sulfide + oxidized F420 | - |
? | |
1.8.7.1 | sulfite + reduced coenzyme F420 | - |
Methanocaldococcus jannaschii | sulfide + oxidized coenzyme F420 | - |
? | |
1.8.98.3 | sulfite + reduced coenzyme F420 | sulfite detoxification and assimilation mechanisms | Methanocaldococcus jannaschii | hydrogen sulfide + oxidized coenzyme F420 | - |
? | |
1.8.98.3 | sulfite + reduced coenzyme F420 | no activity with: thiosulfate, sulfate, NADH and NADPH | Methanocaldococcus jannaschii | hydrogen sulfide + oxidized coenzyme F420 | - |
? | |
1.8.98.3 | sulfite + reduced coenzyme F420 | sulfite detoxification and assimilation mechanisms | Methanocaldococcus jannaschii DSM 2661 | hydrogen sulfide + oxidized coenzyme F420 | - |
? | |
1.8.98.3 | sulfite + reduced coenzyme F420 | no activity with: thiosulfate, sulfate, NADH and NADPH | Methanocaldococcus jannaschii DSM 2661 | hydrogen sulfide + oxidized coenzyme F420 | - |
? | |
1.8.98.3 | sulfite + reduced methyl viologen | no activity with: thiosulfate, sulfate, NADH and NADPH | Methanocaldococcus jannaschii | hydrogen sulfide + oxidized methyl viologen | - |
? | |
1.8.98.3 | sulfite + reduced methyl viologen | no activity with: thiosulfate, sulfate, NADH and NADPH | Methanocaldococcus jannaschii DSM 2661 | hydrogen sulfide + oxidized methyl viologen | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
1.8.98.3 | ? | x * 70000, SDS-PAGE | Methanocaldococcus jannaschii |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
1.8.1.2 | coenzyme F420-dependent sulfite reductase | - |
Methanocaldococcus jannaschii |
1.8.1.2 | Fsr | - |
Methanocaldococcus jannaschii |
1.8.1.2 | sulfite reductase | - |
Methanocaldococcus jannaschii |
1.8.7.1 | coenzyme F420-dependent sulfite reductase | - |
Methanocaldococcus jannaschii |
1.8.7.1 | Fsr | - |
Methanocaldococcus jannaschii |
1.8.7.1 | sulfite reductase | - |
Methanocaldococcus jannaschii |
1.8.98.3 | coenzyme F420-dependent sulfite reductase | - |
Methanocaldococcus jannaschii |
1.8.98.3 | Fsr | - |
Methanocaldococcus jannaschii |
1.8.98.3 | MJ0870 | locus name | Methanocaldococcus jannaschii |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
1.8.1.2 | 95 | - |
- |
Methanocaldococcus jannaschii |
1.8.7.1 | 95 | - |
- |
Methanocaldococcus jannaschii |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
1.8.1.2 | 7 | - |
- |
Methanocaldococcus jannaschii |
1.8.7.1 | 7 | - |
- |
Methanocaldococcus jannaschii |
1.8.98.3 | 7 | - |
assay at | Methanocaldococcus jannaschii |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
1.8.98.3 | siroheme | the N-terminal half of the 70-kDa Fsr polypeptide represents a H2F420 dehydrogenase and the C-terminal half a dissimilatory-type siroheme sulfite reductase | Methanocaldococcus jannaschii |
EC Number | Organism | Comment | Expression |
---|---|---|---|
1.8.98.3 | Methanocaldococcus jannaschii | sulfite induces coenzyme F420-dependent sulfite reductase | up |
EC Number | General Information | Comment | Organism |
---|---|---|---|
1.8.98.3 | physiological function | sulfite detoxification and assimilation mechanisms | Methanocaldococcus jannaschii |