Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli | Arabidopsis thaliana |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
EDTA | 1 mM, 26% inhibition | Arabidopsis thaliana | |
L-methionine | strong product inhibition | Arabidopsis thaliana | |
additional information | no product inhibition by L-methionine below 0.5 mM, no inhibition by EDTA | Arabidopsis thaliana |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.018 | - |
L-homocysteine | pH 7.5, 30°C, cosubstrate: S-adenosyl-L-methionine | Arabidopsis thaliana | |
0.029 | - |
S-methyl-L-methionine | pH 7.5, 30°C | Arabidopsis thaliana | |
0.035 | - |
L-homocysteine | pH 7.5, 30°C, cosubstrate: S-methyl-L-methionine | Arabidopsis thaliana | |
0.05 | - |
S-methyl-L-methionine | pH 7.5, 30°C | Arabidopsis thaliana | |
0.067 | - |
L-homocysteine | pH 7.5, 30°C, cosubstrate: S-adenosyl-L-methionine | Arabidopsis thaliana | |
0.077 | - |
L-homocysteine | pH 7.5, 30°C, cosubstrate: S-methyl-L-methionine | Arabidopsis thaliana | |
0.225 | - |
S-adenosyl-L-methionine | pH 7.5, 30°C | Arabidopsis thaliana | |
1.95 | - |
S-adenosyl-L-methionine | pH 7.5, 30°C | Arabidopsis thaliana |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytosol | - |
Arabidopsis thaliana | 5829 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
additional information | contains a zinc-binding motif, no stimulation by 0.1 or 1 mM Zn2+ | Arabidopsis thaliana |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
36000 | - |
gel filtration | Arabidopsis thaliana |
36400 | - |
1 * 36400, calculated from sequence | Arabidopsis thaliana |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
S-adenosyl-L-methionine + L-homocysteine | Arabidopsis thaliana | the enzyme uses S-methyl-L-methionine and S-adenosyl-L-methionine as methyl donor in vivo | S-adenosyl-L-homocysteine + L-methionine | - |
? | |
S-methyl-L-methionine + L-homocysteine | Arabidopsis thaliana | the enzyme uses S-methyl-L-methionine and S-adenosyl-L-methionine as methyl donor in vivo | 2 L-methionine | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arabidopsis thaliana | Q9M1W4 | - |
- |
Arabidopsis thaliana | Q9SDL7 | - |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | no activity with D-cysteine, L-cysteine, DL-selenocysteine, glutathione, coenzyme A, sulfide, or thiocyanate | Arabidopsis thaliana | ? | - |
? | |
additional information | no activity with DL-selenocysteine, glutathione, coenzyme A, sulfide, or thiocyanate | Arabidopsis thaliana | ? | - |
? | |
S-adenosyl-L-methionine + L-homocysteine | the enzyme uses S-methyl-L-methionine and S-adenosyl-L-methionine as methyl donor in vivo | Arabidopsis thaliana | S-adenosyl-L-homocysteine + L-methionine | - |
? | |
S-adenosyl-L-methionine + L-homocysteine | the Km-value for S-adenosyl-L-methionine is higher than for S-methyl-L-methionine and the Vmax value is lower | Arabidopsis thaliana | S-adenosyl-L-homocysteine + L-methionine | - |
? | |
S-methyl-L-methionine + L-cysteine | - |
Arabidopsis thaliana | ? | - |
? | |
S-methyl-L-methionine + L-homocysteine | - |
Arabidopsis thaliana | 2 L-methionine | - |
? | |
S-methyl-L-methionine + L-homocysteine | the enzyme uses S-methyl-L-methionine and S-adenosyl-L-methionine as methyl donor in vivo | Arabidopsis thaliana | 2 L-methionine | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 36000, calculated from sequence | Arabidopsis thaliana |
monomer | 1 * 36400, calculated from sequence | Arabidopsis thaliana |
Synonyms | Comment | Organism |
---|---|---|
AtHMT-1 | - |
Arabidopsis thaliana |
AtHMT-1 | encoded by single copy gene | Arabidopsis thaliana |
AtHMT-2 | - |
Arabidopsis thaliana |
AtHMT-2 | encoded by single copy gene | Arabidopsis thaliana |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.5 | - |
- |
Arabidopsis thaliana |