EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.7.9.4 | additional information | Arabidopsis thaliana | phosphorylation by GWD mediates phase transition from highly ordered to hydrated state glucans | ? | - |
? | |
2.7.9.4 | additional information | Arabidopsis thaliana | phosphorylation of crystalline maltodextrin initiates solubilisation of both phosphorylated and neutral glucans | ? | - |
? | |
2.7.9.4 | additional information | Arabidopsis thaliana | substrate-specificity defined by physical arrangements of alpha glucans and by molecular order of glucan helices | ? | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.7.9.4 | Arabidopsis thaliana | - |
- |
- |
2.7.9.5 | Arabidopsis thaliana | - |
- |
- |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
2.7.9.4 | additional information | - |
conversion of heat solubilized maltodextrin below 1 nmol/min/mg | Arabidopsis thaliana |
2.7.9.4 | 0.00007 | - |
wheat starch, kernel, A-allomorph | Arabidopsis thaliana |
2.7.9.4 | 0.00008 | - |
waxy maize starch, kernel, A-allomorph | Arabidopsis thaliana |
2.7.9.4 | 0.00011 | - |
maize starch, kernel, A-allomorph | Arabidopsis thaliana |
2.7.9.4 | 0.0012 | - |
amylose extender mutant maize, kernel, B-allomorph | Arabidopsis thaliana |
2.7.9.4 | 0.0023 | - |
potato starch, tuber, B-allomorph | Arabidopsis thaliana |
2.7.9.4 | 0.0112 | - |
Arabidopsis sex1-3, leaf, B-allomorph | Arabidopsis thaliana |
2.7.9.4 | 0.058 | - |
crystalline maltodextrin, B-allomorph | Arabidopsis thaliana |
2.7.9.5 | additional information | - |
no activity detectable on pre-phosphorylated, soluble maltodextrin | Arabidopsis thaliana |
2.7.9.5 | 0.002 | - |
pre-phosphorylated, crystalline maltodextrin | Arabidopsis thaliana |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.7.9.4 | ATP + alpha-glucan + H2O | phosphorylation at C-6 position, crystallized maltodextrin, natural starch from maize, potato, Arabidopsis, A- and B-allomorph type | Arabidopsis thaliana | AMP + phospho-alpha-glucan + phosphate | - |
? | |
2.7.9.4 | additional information | phosphorylation by GWD mediates phase transition from highly ordered to hydrated state glucans | Arabidopsis thaliana | ? | - |
? | |
2.7.9.4 | additional information | phosphorylation of crystalline maltodextrin initiates solubilisation of both phosphorylated and neutral glucans | Arabidopsis thaliana | ? | - |
? | |
2.7.9.4 | additional information | substrate-specificity defined by physical arrangements of alpha glucans and by molecular order of glucan helices | Arabidopsis thaliana | ? | - |
? | |
2.7.9.4 | additional information | crystallized maltodextrin represents B-type starch allomorph, 30 min or 1 h, linear phosphorylation kinetics with respect to time and enzyme concentration (up to 1 h), phosphorylation at the surface of the crystalline maltodextrin, formation of a wide range of phosphoglucans (detection of mono-, di, and triphosphorylated alpha glucans), initiation of solubilisation of both phosphoglucans and neutral glucans from the crystalline maltodextrin | Arabidopsis thaliana | ? | - |
? | |
2.7.9.5 | ATP + phospho-maltodextrin + H2O | only pre-phosphorylated, crystallised (insoluble) maltodextrin | Arabidopsis thaliana | AMP + O-phospho-[phospho-maltodextrin] + phosphate | - |
? | |
2.7.9.5 | additional information | solubilised maltodextrin is no substrate whether pre-phosphorylated by glucan, water dikinase (GWD) or not | Arabidopsis thaliana | ? | - |
? |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
2.7.9.4 | glucan, water dikinase | - |
Arabidopsis thaliana |
2.7.9.4 | GWD | - |
Arabidopsis thaliana |
2.7.9.5 | phosphoglucan, water dikinase | - |
Arabidopsis thaliana |
2.7.9.5 | PWD | - |
Arabidopsis thaliana |