Protein Variants | Comment | Organism |
---|---|---|
DELTAR359/DELTAD362 | mutations in allosteric binding site of cyclic diguanylate, abolish cyclic diguanylate binding, strong decrease in catalytic activity | Caulobacter vibrioides |
E370Q | mutation in active site, complete loss of catalytic activity without effect on allosteric binding of cyclic diguanylate | Caulobacter vibrioides |
EE370GG | mutation in active site, complete loss of catalytic activity without effect on allosteric binding of cyclic diguanylate | Caulobacter vibrioides |
R148A | increase in allosteric binding of cyclic diguanylate and increase in catalytic activity | Caulobacter vibrioides |
R148A/R178A | increase in allosteric binding of cyclic diguanylate and increase in catalytic activity | Caulobacter vibrioides |
R178A | increase in allosteric binding of cyclic diguanylate and increase in catalytic activity | Caulobacter vibrioides |
R359A | mutation in allosteric binding site of cyclic diguanylate, strong decrease in cyclic diguanylate binding, strong decrease in catalytic activity | Caulobacter vibrioides |
R359V | strong decrease in catalytic activity | Caulobacter vibrioides |
R390A | mutation in allosteric binding site of cyclic diguanylate, strong decrease in cyclic diguanylate binding. Catalytic activity comaprable to wild-type | Caulobacter vibrioides |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
cyclic di-3',5'-guanylate | noncompetitive product inhibition at an allosteric binding site fully contained within the GGDEF domain. Core of the binding site is an RXXD motif formed by residues R359, D362, and R390 | Caulobacter vibrioides |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Caulobacter vibrioides | Q9A3B9 | - |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
GTP | - |
Caulobacter vibrioides | cyclic di-3',5'-guanylate + diphosphate | - |
? |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0028 | - |
cyclic di-3',5'-guanylate | mutant R148A, 30°C, pH 8.0 | Caulobacter vibrioides | |
0.0029 | - |
cyclic di-3',5'-guanylate | mutant R148A/R178A, 30°C, pH 8.0 | Caulobacter vibrioides | |
0.0036 | - |
cyclic di-3',5'-guanylate | mutant R178A, 30°C, pH 8.0 | Caulobacter vibrioides | |
0.0058 | - |
cyclic di-3',5'-guanylate | wild-type, 30°C, pH 8.0 | Caulobacter vibrioides | |
0.1 | - |
cyclic di-3',5'-guanylate | or above, mutant R359A, 30°C, pH 8.0 | Caulobacter vibrioides | |
0.115 | - |
cyclic di-3',5'-guanylate | mutant R390A, 30°C, pH 8.0 | Caulobacter vibrioides |