Cloned (Comment) | Organism |
---|---|
gene merA, DNA and amino acid sequence determination and analysis, phylogenetic analysis | Hydrogenobaculum sp. Y04AAS1 |
gene merA, DNA and amino acid sequence determination and analysis, phylogenetic analysis | Hydrogenivirga sp. 128-5-R1-1 |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
Hg + NAD+ + H+ | Hydrogenobaculum sp. Y04AAS1 | - |
Hg2+ + NADH | - |
r | |
Hg + NAD+ + H+ | Hydrogenivirga sp. 128-5-R1-1 | - |
Hg2+ + NADH | - |
r | |
Hg + NADP+ + H+ | Hydrogenobaculum sp. Y04AAS1 | - |
Hg2+ + NADPH | - |
r | |
Hg + NADP+ + H+ | Hydrogenivirga sp. 128-5-R1-1 | - |
Hg2+ + NADPH | - |
r |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Hydrogenivirga sp. 128-5-R1-1 | A8UT36 | - |
- |
Hydrogenobaculum sp. Y04AAS1 | B4U9T7 | - |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
additional information | strain AAS1 is resistant to concentration over 0.01 mM Hg2+, transforms Hg(II) to Hg(0) during cellular growth, and possesses Hg-dependent NAD(P)H oxidation activities in crude cell extracts that are optimal at temperatures corresponding with the strains' optimal growth temperature of 55°C | Hydrogenobaculum sp. Y04AAS1 | - |
additional information | strain R1-1 is resistant to concentration of over 0.01 mM Hg2+, transforms Hg(II) to Hg(0) during cellular growth, and possesses Hg-dependent NAD(P)H oxidation activities in crude cell extracts that are optimal at temperatures corresponding with the strains' optimal growth temperature of 70°C | Hydrogenivirga sp. 128-5-R1-1 | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
Hg + NAD+ + H+ | - |
Hydrogenobaculum sp. Y04AAS1 | Hg2+ + NADH | - |
r | |
Hg + NAD+ + H+ | - |
Hydrogenivirga sp. 128-5-R1-1 | Hg2+ + NADH | - |
r | |
Hg + NADP+ + H+ | - |
Hydrogenobaculum sp. Y04AAS1 | Hg2+ + NADPH | - |
r | |
Hg + NADP+ + H+ | - |
Hydrogenivirga sp. 128-5-R1-1 | Hg2+ + NADPH | - |
r |
Synonyms | Comment | Organism |
---|---|---|
MerA | - |
Hydrogenivirga sp. 128-5-R1-1 |
mercuric reductase | - |
Hydrogenobaculum sp. Y04AAS1 |
mercuric reductase | - |
Hydrogenivirga sp. 128-5-R1-1 |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
- |
Hydrogenobaculum sp. Y04AAS1 |
70 | - |
- |
Hydrogenivirga sp. 128-5-R1-1 |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | 70 | activity range, very low activity below 40°C | Hydrogenobaculum sp. Y04AAS1 |
60 | 87 | activity range, very low activities below 40°C | Hydrogenivirga sp. 128-5-R1-1 |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.4 | - |
assay at | Hydrogenobaculum sp. Y04AAS1 |
7.4 | - |
assay at | Hydrogenivirga sp. 128-5-R1-1 |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NAD+ | - |
Hydrogenobaculum sp. Y04AAS1 | |
NAD+ | - |
Hydrogenivirga sp. 128-5-R1-1 | |
NADH | - |
Hydrogenobaculum sp. Y04AAS1 | |
NADH | - |
Hydrogenivirga sp. 128-5-R1-1 | |
NADP+ | - |
Hydrogenobaculum sp. Y04AAS1 | |
NADP+ | - |
Hydrogenivirga sp. 128-5-R1-1 | |
NADPH | - |
Hydrogenobaculum sp. Y04AAS1 | |
NADPH | - |
Hydrogenivirga sp. 128-5-R1-1 |
Organism | Comment | Expression |
---|---|---|
Hydrogenobaculum sp. Y04AAS1 | the enzyme is induced by Hg | up |
Hydrogenivirga sp. 128-5-R1-1 | the enzyme is induced by Hg | up |
General Information | Comment | Organism |
---|---|---|
additional information | strain R1-1 is resistant to concentration of over 0.01 mM Hg2+, transforms Hg(II) to Hg(0) during cellular growth, and possesses Hg-dependent NAD(P)H oxidation activities in crude cell extracts that are optimal at temperatures corresponding with the strains' optimal growth temperature of 70°C | Hydrogenivirga sp. 128-5-R1-1 |