Application | Comment | Organism |
---|---|---|
synthesis | the enzyme is useful for in vitro transcription reactions to produce preparative quantities of transcribed RNA and labeled RNA probes, method evaluation, overview | Escherichia coli |
synthesis | the enzyme is useful for in vitro transcription reactions to produce preparative quantities of transcribed RNA and labeled RNA probes, transcripts thousands of nucleotides in length, as are the major applications of these reactions, method evaluation, overview. Phage T7 RNA polymerase is an extremely processive enzyme in high-yield transcription of DNA sequences inserted downstream from the corresponding T7 promoter, applications overview | Escherichia phage T7 |
synthesis | the enzyme is useful for in vitro transcription reactions to produce preparative quantities of transcribed RNAand labeled RNA probes, transcripts thousands of nucleotides in length, as are the major applications of these reactions, method evaluation, overview. Phage SP6 RNA polymerase is an extremely processive enzyme in high-yield transcription of DNA sequences inserted downstream from the corresponding SP6 promoter, applications overview | Zindervirus SP6 |
synthesis | the enzyme is useful for in vitro transcription reactions to produce preparative quantities of transcribed RNAand labeled RNA probes, transcripts thousands of nucleotides in length, as are the major applications of these reactions, method evaluation, overview. Phage T3 RNA polymerase is an extremely processive enzyme in high-yield transcription of DNA sequences inserted downstream from the corresponding T3 promoter, applications overview | Enterobacteria phage T3 |
Cloned (Comment) | Organism |
---|---|
- |
Escherichia coli |
construction of plasmids with polylinker cloning sites adjacent to the RNA polymerase promoter | Escherichia phage T7 |
construction of plasmids with polylinker cloning sites adjacent to the RNA polymerase promoter | Enterobacteria phage T3 |
construction of plasmids with polylinker cloning sites adjacent to the RNA polymerase promoter | Zindervirus SP6 |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
K+ | activates | Escherichia coli | |
Mg2+ | required | Escherichia coli | |
Mg2+ | required | Escherichia phage T7 | |
Mg2+ | required | Enterobacteria phage T3 | |
Mg2+ | required | Zindervirus SP6 |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
480000 | - |
about | Escherichia coli |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
nucleoside triphosphate + RNAn | Escherichia coli | template is DNA | diphosphate + RNAn+1 | - |
? | |
nucleoside triphosphate + RNAn | Escherichia phage T7 | template is DNA | diphosphate + RNAn+1 | - |
? | |
nucleoside triphosphate + RNAn | Enterobacteria phage T3 | template is DNA | diphosphate + RNAn+1 | - |
? | |
nucleoside triphosphate + RNAn | Zindervirus SP6 | template is DNA | diphosphate + RNAn+1 | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Enterobacteria phage T3 | - |
- |
- |
Escherichia coli | - |
- |
- |
Escherichia phage T7 | - |
- |
- |
Zindervirus SP6 | - |
- |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | the core enzyme, which lacks the sigma subunit, synthesizes short transcripts relatively uniformly on the DNA template in the presence of high concentrations of random primers and low NTP concentrations | Escherichia coli | ? | - |
? | |
nucleoside triphosphate + RNAn | template is DNA | Escherichia coli | diphosphate + RNAn+1 | - |
? | |
nucleoside triphosphate + RNAn | template is DNA | Escherichia phage T7 | diphosphate + RNAn+1 | - |
? | |
nucleoside triphosphate + RNAn | template is DNA | Enterobacteria phage T3 | diphosphate + RNAn+1 | - |
? | |
nucleoside triphosphate + RNAn | template is DNA | Zindervirus SP6 | diphosphate + RNAn+1 | - |
? | |
nucleoside triphosphate + RNAn | template is DNA, native or denatured, method evaluation: specificity and extent of transcription depends strongly on the quality of the DNA preparation, the strength of the promoter and terminator sequences, and the kind and concentration of mono- and divalent cations in the reaction mixture | Escherichia coli | diphosphate + RNAn+1 | - |
? |
Subunits | Comment | Organism |
---|---|---|
pentamer | subunits structure alpha2betabeta'sigmaomega | Escherichia coli |
Synonyms | Comment | Organism |
---|---|---|
DNA-dependent RNA polymerase | - |
Escherichia coli |
DNA-dependent RNA polymerase | - |
Escherichia phage T7 |
DNA-dependent RNA polymerase | - |
Enterobacteria phage T3 |
DNA-dependent RNA polymerase | - |
Zindervirus SP6 |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
assay at | Escherichia coli |
37 | - |
assay at | Escherichia phage T7 |
37 | - |
assay at | Enterobacteria phage T3 |
37 | - |
assay at | Zindervirus SP6 |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.5 | - |
assay at | Escherichia phage T7 |
7.5 | - |
assay at | Enterobacteria phage T3 |
7.5 | - |
assay at | Zindervirus SP6 |
8 | - |
assay at | Escherichia coli |