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UniProt functional annotation for Q8RQE8 | ||
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| UniProt code: Q8RQE8. |
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| Organism: | |
Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8). |
| Taxonomy: | |
Bacteria; Deinococcus-Thermus; Deinococci; Thermales; Thermaceae; Thermus. |
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| Function: | |
DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. {ECO:0000255|HAMAP-Rule:MF_01322}. |
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| Catalytic activity: | |
Reaction=a ribonucleoside 5'-triphosphate + RNA(n) = diphosphate + RNA(n+1); Xref=Rhea:RHEA:21248, Rhea:RHEA-COMP:11128, Rhea:RHEA- COMP:11129, ChEBI:CHEBI:33019, ChEBI:CHEBI:61557, ChEBI:CHEBI:83400; EC=2.7.7.6; Evidence={ECO:0000255|HAMAP-Rule:MF_01322}; |
| Cofactor: | |
Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000255|HAMAP-Rule:MF_01322}; Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01322}; |
| Cofactor: | |
Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000255|HAMAP-Rule:MF_01322}; Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000255|HAMAP- Rule:MF_01322}; |
| Subunit: | |
The RNAP catalytic core consists of 2 alpha, 1 beta, 1 beta' and 1 omega subunit. When a sigma factor is associated with the core the holoenzyme is formed, which can initiate transcription. {ECO:0000255|HAMAP-Rule:MF_01322}. |
| Similarity: | |
Belongs to the RNA polymerase beta' chain family. {ECO:0000255|HAMAP-Rule:MF_01322}. |
Annotations taken from UniProtKB at the EBI.