Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2'-deoxy-ATP | - |
Rattus norvegicus | |
ADP | noncompetitive | Rattus norvegicus | |
alpha,beta-CH2-ATP | competitive | Rattus norvegicus | |
AMP | noncompetitive | Rattus norvegicus | |
ATP | at high concentrations | Rattus norvegicus | |
Ba2+ | 10 mM, 43% inhibition in presence of 10 mM Mg2+, no activation in absence of Mg2+ | Rattus norvegicus | |
Ca2+ | 10 mM, 28% inhibition in presence of 10 mM Mg2+, no activation in absence of Mg2+ | Rattus norvegicus | |
Co2+ | 10 mM, complete inhibition in presence of 10 mM Mg2+, no activation in absence of Mg2+ | Rattus norvegicus | |
Cu2+ | 10 mM, complete inhibition in presence of 10 mM Mg2+, no activation in absence of Mg2+ | Rattus norvegicus | |
cysteamine | competitive | Rattus norvegicus | |
cysteine | at high concentrations | Rattus norvegicus | |
D-cysteine | weak, non-competitive | Rattus norvegicus | |
diphosphate | at high concentrations | Rattus norvegicus | |
GTP | noncompetitive | Rattus norvegicus | |
Hg2+ | 10 mM, complete inhibition in presence of 10 mM Mg2+, no activation in absence of Mg2+ | Rattus norvegicus | |
iodoacetamide | partially | Rattus norvegicus | |
L-homocysteine | - |
Rattus norvegicus | |
S-methyl-L-cysteine | competitive | Rattus norvegicus | |
Sodium tripolyphosphate | - |
Rattus norvegicus | |
Zn2+ | 10 mM, complete inhibition in presence of 10 mM Mg2+, no activation in absence of Mg2+ | Rattus norvegicus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.03 | - |
Cys | - |
Rattus norvegicus | |
0.16 | - |
diphosphate | - |
Rattus norvegicus | |
1.8 | - |
ATP | - |
Rattus norvegicus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | optimal concentration: 10 mM | Rattus norvegicus | |
Mg2+ | inhibition above 15 mM | Rattus norvegicus | |
Mg2+ | required for ATP-diphosphate exchange | Rattus norvegicus | |
Mg2+ | Km: 3.6 mM | Rattus norvegicus | |
Mn2+ | can partially replace Mg2+ in activation of cysteine, optimal concentration is 5 mM | Rattus norvegicus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Rattus norvegicus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Rattus norvegicus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
liver | - |
Rattus norvegicus | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + L-cysteine + tRNACys | - |
Rattus norvegicus | AMP + diphosphate + L-cysteinyl-tRNACys | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.5 | - |
- |
Rattus norvegicus |