KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.022 | - |
H2S | pH 8.0, 30°C | Spinacia oleracea | |
2.9 | - |
O-acetyl-L-Ser | pH 8.0, 30°C | Spinacia oleracea |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
32000 | - |
2 * 32000, SDS-PAGE | Spinacia oleracea |
60000 | - |
gel filtration | Spinacia oleracea |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Spinacia oleracea | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Spinacia oleracea |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | - |
Spinacia oleracea | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
543 | - |
- |
Spinacia oleracea |
Storage Stability | Organism |
---|---|
0 C, potassium phosphate buffer, pH 8.0, 2-mercaptoethanol, EDTA, several months, no loss of activity | Spinacia oleracea |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | beta-substituted alanines, low activity | Spinacia oleracea | ? | - |
? | |
O-acetyl-L-Ser + 2-propene-1-thiol | 18% of activity with sulfide | Spinacia oleracea | S-allyl-L-cysteine + ? | - |
? | |
O-acetyl-L-Ser + H2S | - |
Spinacia oleracea | L-Cys + acetate | - |
? | |
O-acetyl-L-Ser + mercaptoacetic acid | 2.5% of activity with sulfide | Spinacia oleracea | S-carboxymethyl-L-cysteine | - |
? | |
O-acetyl-L-Ser + methyl mercaptan | 32% of activity with sulfide | Spinacia oleracea | S-methylcysteine + acetate | - |
? | |
O-acetyl-L-serine | - |
Spinacia oleracea | L-cysteine + acetate | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 32000, SDS-PAGE | Spinacia oleracea |
More | amino acid composition | Spinacia oleracea |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8.3 | - |
- |
Spinacia oleracea |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
pyridoxal 5'-phosphate | one per subunit | Spinacia oleracea |