Activating Compound | Comment | Organism | Structure |
---|---|---|---|
light | forward reaction in chromatophores is accelerated more than 20fold during illumination with photosynthetically active light | Rhodobacter capsulatus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.009 | - |
thio-NADP+ | pH 6.3, in the light | Rhodobacter capsulatus | |
0.013 | - |
thio-NADP+ | pH 7.6, in the light | Rhodobacter capsulatus | |
0.019 | - |
thio-NADP+ | pH 7.6, in the dark | Rhodobacter capsulatus | |
0.02 | - |
NADH | pH 6.3, in the light | Rhodobacter capsulatus | |
0.022 | - |
NADH | pH 6.3, in the dark | Rhodobacter capsulatus | |
0.025 | - |
NADH | pH 7.6, in the light | Rhodobacter capsulatus | |
0.029 | - |
thio-NADP+ | pH 9.0, in the light | Rhodobacter capsulatus | |
0.032 | - |
thio-NADP+ | pH 6.3, in the dark | Rhodobacter capsulatus | |
0.033 | - |
NADH | pH 9.0, in the light | Rhodobacter capsulatus | |
0.045 | - |
thio-NADP+ | pH 9.0, in the dark | Rhodobacter capsulatus | |
0.055 | - |
thio-NADP+ | pH 10.0, in the light | Rhodobacter capsulatus | |
0.064 | - |
NADH | pH 7.6, in the dark | Rhodobacter capsulatus | |
0.066 | - |
NADH | pH 9.0, in the dark | Rhodobacter capsulatus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | required for catalytic activity | Rhodobacter capsulatus | |
Ca2+ | strong activation of forward reaction in the light at concentrations above 0.1 mM | Rhodobacter capsulatus | |
K+ | strong activation of forward reaction, i.e. the reduction of NADP+ by NADH, in the light at concentrations of approx. 50-80 mM, half-maximal activation at 10 mM | Rhodobacter capsulatus | |
Mg2+ | required for catalytic activity | Rhodobacter capsulatus | |
Mg2+ | strong activation of forward reaction, i.e. the reduction of NADP+ by NADH, in the light at concentrations above 0.1 mM | Rhodobacter capsulatus | |
Na+ | strong activation of forward reaction, i.e. the reduction of NADP+ by NADH, in the light at concentrations of approx. 50-80 mM, half-maximal activation at 10 mM | Rhodobacter capsulatus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Rhodobacter capsulatus | - |
formerly Rhodopseudomonas capsulata | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
NADH + thio-NADP+ | - |
Rhodobacter capsulatus | NAD+ + thio-NADPH | - |
r |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NAD+ | - |
Rhodobacter capsulatus | |
NADH | - |
Rhodobacter capsulatus | |
NADP+ | - |
Rhodobacter capsulatus | |
NADPH | - |
Rhodobacter capsulatus |