General Stability | Organism |
---|---|
Unstable at low protein concentration | Ricinus communis |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
ATP | inhibition after preincubation with 3 mM ATP for 20 min | Ricinus communis | |
additional information | no inhibition by ATP | Ricinus communis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.2 | - |
CTP | pH 7.5 | Ricinus communis | |
0.37 | - |
choline phosphate | pH 7.5 | Ricinus communis |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
40000 | - |
4 * 40000, SDS-PAGE | Ricinus communis |
155000 | - |
gel filtration | Ricinus communis |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
CTP + choline phosphate | Ricinus communis | catalyzes a major rate-limiting step in the biosynthesis of phosphocholine | diphosphate + CDPcholine | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Ricinus communis | - |
castor bean, L- var. Hale | - |
Purification (Comment) | Organism |
---|---|
- |
Ricinus communis |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
endosperm | - |
Ricinus communis | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
1.518 | - |
- |
Ricinus communis |
Storage Stability | Organism |
---|---|
-20°C, enzyme concentrated to a small volume, 50% glycerol, 20% loss of activity after 2 weeks | Ricinus communis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
CTP + choline phosphate | - |
Ricinus communis | diphosphate + CDPcholine | - |
? | |
CTP + choline phosphate | catalyzes a major rate-limiting step in the biosynthesis of phosphocholine | Ricinus communis | diphosphate + CDPcholine | - |
? | |
CTP + phosphomonomethylethanolamine | - |
Ricinus communis | diphosphate + CDPmethylethanolamine | - |
? | |
additional information | no substrates: ethanolamine phosphate and phosphodimethylethanolamine | Ricinus communis | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
tetramer | 4 * 40000, SDS-PAGE | Ricinus communis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | 7.5 | - |
Ricinus communis |
7.5 | - |
- |
Ricinus communis |