Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Flavonol substrate | below 0.0015 mM, inhibition | Flaveria bidentis | |
additional information | EDTA, SH-group reagents at 1-10 mM, no inhibition | Flaveria bidentis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0002 | - |
quercetin 3,3'-disulfate | isoenzyme II | Flaveria bidentis | |
0.00024 | - |
quercetin 3,3'-disulfate | isoenzyme I | Flaveria bidentis | |
0.00033 | - |
3'-phosphoadenylylsulfate | cosubstrate quercetin 3,3'-disulfate, isoenzyme I | Flaveria bidentis | |
0.00046 | - |
3'-phosphoadenylylsulfate | cosubstrate quercetin 3,3'-disulfate, isoenzyme II | Flaveria bidentis |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
additional information | no requirement for a divalent cation at 1-10 mM | Flaveria bidentis |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
35000 | - |
gel filtration | Flaveria bidentis |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
3'-phosphoadenylylsulfate + quercetin 3,3'-bissulfate | Flaveria bidentis | isoenzyme I and II | quercetin 3,3',7-trissulfate + adenosine 3',5'-bisphosphate | - |
? | |
additional information | Flaveria bidentis | involved in biosynthesis of polysulfated flavonols in Flaveria bidentis | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Flaveria bidentis | - |
- |
- |
Flaveria chlorifolia | - |
- |
- |
Purification (Comment) | Organism |
---|---|
partial | Flaveria bidentis |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
shoot tip | - |
Flaveria bidentis | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.00038 | - |
isoenzyme II | Flaveria bidentis |
0.00058 | - |
isoenzyme I | Flaveria bidentis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
3'-phosphoadenylylsulfate + isorhamnetin 3-sulfate | isoenzyme I and II | Flaveria bidentis | isorhamnetin 3,7-disulfate + adenosine 3',5'-bisphosphate | - |
? | |
3'-phosphoadenylylsulfate + quercetin 3,3'-bissulfate | isoenzyme I and II | Flaveria bidentis | quercetin 3,3',7-trissulfate + adenosine 3',5'-bisphosphate | - |
? | |
3'-phosphoadenylylsulfate + quercetin 3,4'-bissulfate | isoenzyme I and II | Flaveria bidentis | quercetin 3,4',7-trissulfate + adenosine 3',5'-bisphosphate | - |
? | |
additional information | quercetin, quercetin 3-sulfate, quercetin 3'-sulfate, flavones (apigenin, luteolin), phenylpropanoids (p-coumaric, caffeic or ferulic acids) are no substrates | Flaveria bidentis | ? | - |
? | |
additional information | involved in biosynthesis of polysulfated flavonols in Flaveria bidentis | Flaveria bidentis | ? | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.5 | - |
phosphate buffer | Flaveria bidentis |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6.5 | 8.5 | about 40-45% of maximal activity at pH 6.5 and 8.5 | Flaveria bidentis |
Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|
Flaveria bidentis | chromatofocusing, isoform II | 6.8 | 6.3 |
Flaveria bidentis | chromatofocusing, isoform I | - |
6.5 |