EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
4.2.1.22 | 0.59 | - |
homocysteine | - |
Homo sapiens |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
4.2.1.22 | 48000 | - |
2 * 48000, proteolytically activated enzyme, derived from 4 * 68000 enzyme, SDS-PAGE | Homo sapiens |
4.2.1.22 | 68000 | - |
2 * 48000, proteolytically activated enzyme, derived from 4 * 68000 enzyme, SDS-PAGE | Homo sapiens |
4.2.1.22 | 68000 | - |
4 * 68000, enzyme from fresh liver extract, SDS-PAGE | Homo sapiens |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
4.2.1.22 | L-Serine + homocysteine | Homo sapiens | - |
? | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
4.2.1.22 | Homo sapiens | - |
- |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
4.2.1.22 | - |
Homo sapiens |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
4.2.1.22 | liver | - |
Homo sapiens | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
4.2.1.22 | 5.6 | - |
- |
Homo sapiens |
EC Number | Storage Stability | Organism |
---|---|---|
4.2.1.22 | -80°C, potassium phosphate buffer, pH 6.5, 1 mM 2-mercaptoethanol, 3 years, no loss of activity | Homo sapiens |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
4.2.1.22 | L-Serine + homocysteine | - |
Homo sapiens | Cystathionine + H2O | - |
? | |
4.2.1.22 | L-Serine + homocysteine | - |
Homo sapiens | ? | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
4.2.1.22 | dimer | 2 * 48000, proteolytically activated enzyme, derived from 4 * 68000 enzyme, SDS-PAGE | Homo sapiens |
4.2.1.22 | tetramer | 4 * 68000, enzyme from fresh liver extract, SDS-PAGE | Homo sapiens |