General Stability | Organism |
---|---|
dilution, stable to | Homo sapiens |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.63 | - |
D-ribose 5-phosphate | cosubstrate D-xylulose 5-phosphate | Homo sapiens |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | requirement | Homo sapiens |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
66000 | - |
alpha2, 2 * 66000, SDS-PAGE | Homo sapiens |
135000 | - |
gel filtration | Homo sapiens |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-xylulose 5-phosphate + D-ribose 5-phosphate | Homo sapiens | - |
sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate | - |
r |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Homo sapiens |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leukocyte | - |
Homo sapiens | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
10.27 | - |
- |
Homo sapiens |
Storage Stability | Organism |
---|---|
-20°C, 2 months | Homo sapiens |
4°C, several weeks | Homo sapiens |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-fructose 6-phosphate + D-ribose 5-phosphate | 40% as effective as D-xylulose 5-phosphate | Homo sapiens | ? | - |
? | |
D-xylulose 5-phosphate + D-erythrose 4-phosphate | best acceptor with D-xylulose 5-phosphate as donor | Homo sapiens | D-fructose 6-phosphate + D-glyceraldehyde 3-phosphate | - |
r | |
D-xylulose 5-phosphate + D-ribose 5-phosphate | - |
Homo sapiens | sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate | - |
r | |
D-xylulose 5-phosphate + D-ribose 5-phosphate | best donor with D-ribose 5-phosphate as acceptor | Homo sapiens | sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate | - |
r | |
D-xylulose 5-phosphate + D-ribose 5-phosphate | D-ribose 5-phosphate | Homo sapiens | sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate | - |
r | |
D-xylulose 5-phosphate + D-ribose 5-phosphate | D-erythrose 4-phosphate | Homo sapiens | sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate | - |
r | |
D-xylulose 5-phosphate + D-ribose 5-phosphate | catalyzes reversible transfer of a keto group between several donor and acceptor substrates | Homo sapiens | sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate | - |
r | |
D-xylulose 5-phosphate + D-ribose 5-phosphate | wide specificity for both reactants: donor substrates may be: fructose 6-phosphate | Homo sapiens | sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate | - |
r | |
additional information | no acceptors with D-xylulose 5-phosphate as donor substrate: glucose 6-phosphate | Homo sapiens | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | alpha2, 2 * 66000, SDS-PAGE | Homo sapiens |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
assay at | Homo sapiens |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
additional information | - |
pI: 6.5-8.5 (6-8 distinct isozymes, isoelectric focusing) | Homo sapiens |
8 | 8.5 | - |
Homo sapiens |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
7.1 | 9.5 | about half-maximal activity at pH 7.1 and 9.5 | Homo sapiens |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
thiamine diphosphate | - |
Homo sapiens |