General Stability | Organism |
---|---|
highly instable, partial protection against inactivation by thiol compounds, glycerol, serum albumin and EDTA, freezing inactivates purified enzyme | Bos taurus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | - |
Bos taurus | |
formaldehyde | above 0.4 mM | Bos taurus | |
Mg2+ | - |
Bos taurus | |
N-ethylmaleimide | - |
Bos taurus | |
p-chloromercuribenzoate | inhibition reversible by dimercaptopropanol | Bos taurus | |
phenacyl bromide | - |
Bos taurus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.022 | - |
NADP+ | - |
Bos taurus | |
0.08 | - |
5,10-methylenetetrahydrofolate | - |
Bos taurus | |
0.17 | - |
5,10-methylenetetrahydrofolate | - |
Bos taurus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
K+ | and other monovalent metal cations | Bos taurus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
5,10-methylenetetrahydrofolate + NADP+ | Bos taurus | - |
5,10-methenyltetrahydrofolate + NADPH + H+ | - |
r |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Bos taurus | - |
young calves | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
thymus | - |
Bos taurus | - |
Storage Stability | Organism |
---|---|
-17°C, partially purified enzyme after second ammonium sulphate fractionation stable for 2 weeks, 1 mM mercaptoethanol, | Bos taurus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
5,10-methylenetetrahydrofolate + NADP+ | - |
Bos taurus | 5,10-methenyltetrahydrofolate + NADPH + H+ | - |
r | |
5,10-methylenetetrahydropteroyltriglutamate + NADP+ | - |
Bos taurus | 5,10-methenyltetrahydropteroyltriglutamate + NADPH | - |
? | |
DL-tetrahydropteroyl-L-aspartate + NADP+ | - |
Bos taurus | ? | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
39.5 | - |
potassium phosphate buffer, pH 7.8 | Bos taurus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
- |
Bos taurus |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NADP+ | - |
Bos taurus |