Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2'-deoxyguanosine | competitive | Lupinus luteus | |
2'-methylguanosine | competitive | Lupinus luteus | |
adenosine | competitive | Lupinus luteus | |
guanine | competitive | Lupinus luteus | |
Mn2+ | - |
Lupinus luteus | |
Zn2+ | - |
Lupinus luteus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0027 | - |
Inosine | pH 4.8 | Lupinus luteus | |
0.0027 | - |
guanosine | pH 4.8 | Lupinus luteus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | up to 6fold activation by exogenous CaCl2 or Ca(NO3)2 | Lupinus luteus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
80000 | - |
gel filtration | Lupinus luteus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Lupinus luteus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Lupinus luteus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cotyledon | 5fold increase in activity during seed germination | Lupinus luteus | - |
seed | - |
Lupinus luteus | - |
seedling | - |
Lupinus luteus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
9.25 | - |
pH 4.8 | Lupinus luteus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
1-methylguanosine + H2O | - |
Lupinus luteus | 1-methylguanine + D-ribose | - |
? | |
1-N2-ethenoguanosine + H2O | - |
Lupinus luteus | 1-N2-ethenoguanine + D-ribose | - |
? | |
1-N2-isopropenoguanosine + H2O | - |
Lupinus luteus | 1-N2-isopropenoguanine + D-ribose | - |
? | |
7-methylguanosine + H2O | - |
Lupinus luteus | 7-methylguanine + D-ribose | - |
? | |
guanosine + H2O | guanosine is hydrolyzed 12% faster than inosine | Lupinus luteus | guanine + D-ribose | - |
? | |
inosine + H2O | guanosine is hydrolyzed 12% faster than inosine | Lupinus luteus | hypoxanthine + D-ribose | - |
? | |
additional information | adenosine and xanthosine are poor substrates. No substrate are: 2'-deoxyguanosine, 2'-deoxyinosine, 2'-methylguanosine, pyrimidine nucleosides and 5'-GMP | Lupinus luteus | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 80000, SDS-PAGE | Lupinus luteus |
Synonyms | Comment | Organism |
---|---|---|
guanosine-inosine-preferring nucleoside N-ribohydrolase | - |
Lupinus luteus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4.7 | 5.5 | - |
Lupinus luteus |
IC50 Value | IC50 Value Maximum | Comment | Organism | Inhibitor | Structure |
---|---|---|---|---|---|
0.0015 | - |
pH 4.8 | Lupinus luteus | 2'-deoxyguanosine | |
0.0036 | - |
pH 4.8 | Lupinus luteus | 2'-methylguanosine | |
0.0097 | - |
pH 4.8 | Lupinus luteus | guanine | |
0.021 | - |
pH 4.8 | Lupinus luteus | adenosine | |
0.06 | - |
pH 4.8 | Lupinus luteus | Mn2+ | |
0.06 | - |
pH 4.8 | Lupinus luteus | Zn2+ |