Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | required for activity | Nostoc sp. | |
Mn2+ | 7-9% of activity with Mg2+ | Nostoc sp. |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
91000 | - |
alpha3, 3 * 91000, SDS-PAGE | Nostoc sp. |
215000 | 240000 | gel filtration | Nostoc sp. |
240000 | - |
sedimentation equilibrium | Nostoc sp. |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Nostoc sp. | - |
MAC | - |
Nostoc sp. MAC | - |
MAC | - |
Purification (Comment) | Organism |
---|---|
DEAE-cellulose, Sephacryl S-300, Mono Q, poly(A)-Sepharose | Nostoc sp. |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
2 | - |
at pH 10.5 | Nostoc sp. |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
poly(A) + ADP | - |
Nostoc sp. | poly(A)+1 + phosphate | - |
r | |
poly(A) + ADP | - |
Nostoc sp. MAC | poly(A)+1 + phosphate | - |
r | |
poly(U)+ UDP | - |
Nostoc sp. | poly(U)+1 + phosphate | - |
r | |
RNAn + a nucleoside diphosphate | primer-independent activity | Nostoc sp. | RNAn+1 + phosphate | - |
? | |
RNAn + a nucleoside diphosphate | polymerization of UDP | Nostoc sp. | RNAn+1 + phosphate | - |
? | |
RNAn + a nucleoside diphosphate | polymerization of ADP | Nostoc sp. | RNAn+1 + phosphate | - |
? | |
RNAn + a nucleoside diphosphate | purified enzyme is less dependent on a primer than the enzyme in crude extracts | Nostoc sp. | RNAn+1 + phosphate | - |
? | |
RNAn + a nucleoside diphosphate | primer-independent activity | Nostoc sp. MAC | RNAn+1 + phosphate | - |
? | |
RNAn + a nucleoside diphosphate | polymerization of UDP | Nostoc sp. MAC | RNAn+1 + phosphate | - |
? | |
RNAn + a nucleoside diphosphate | polymerization of ADP | Nostoc sp. MAC | RNAn+1 + phosphate | - |
? | |
RNAn + a nucleoside diphosphate | purified enzyme is less dependent on a primer than the enzyme in crude extracts | Nostoc sp. MAC | RNAn+1 + phosphate | - |
? |
Subunits | Comment | Organism |
---|---|---|
trimer | alpha3, 3 * 91000, SDS-PAGE | Nostoc sp. |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
assay at | Nostoc sp. |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
10.5 | - |
- |
Nostoc sp. |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
9.5 | 11.5 | 14% of maximal activity at pH 9.5, 70% of maximal activity at pH 11.5 | Nostoc sp. |