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6fed

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Structure of Mycobacterium smegmatis RNA polymerase Sigma-A holoenzyme

Structural highlights

6fed is a 5 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:	,
Activity:	DNA-directed RNA polymerase, with EC number 2.7.7.6
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[RPOZ_MYCS2] Promotes RNA polymerase assembly. Latches the N- and C-terminal regions of the beta' subunit thereby facilitating its interaction with the beta and alpha subunits.[HAMAP-Rule:MF_00366]^[1] [RPOA_MYCS2] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates.[HAMAP-Rule:MF_00059]^[2] [RPOC_MYCS2] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates.[HAMAP-Rule:MF_01322]^[3] [RPOB_MYCS2] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. This subunit often mutates to generate rifampicin (Rif) resistance. Interaction with RbpA partially restores Rif-inhibited transcription; once the subunit is Rif-resistant however RbpA no longer stimulates transcription.[HAMAP-Rule:MF_01321]^[4]

References

↑ Dey A, Verma AK, Chatterji D. Role of an RNA polymerase interacting protein, MsRbpA, from Mycobacterium smegmatis in phenotypic tolerance to rifampicin. Microbiology. 2010 Mar;156(Pt 3):873-83. doi: 10.1099/mic.0.033670-0. Epub 2009, Nov 19. PMID:19926651 doi:http://dx.doi.org/10.1099/mic.0.033670-0
↑ Dey A, Verma AK, Chatterji D. Role of an RNA polymerase interacting protein, MsRbpA, from Mycobacterium smegmatis in phenotypic tolerance to rifampicin. Microbiology. 2010 Mar;156(Pt 3):873-83. doi: 10.1099/mic.0.033670-0. Epub 2009, Nov 19. PMID:19926651 doi:http://dx.doi.org/10.1099/mic.0.033670-0
↑ Dey A, Verma AK, Chatterji D. Role of an RNA polymerase interacting protein, MsRbpA, from Mycobacterium smegmatis in phenotypic tolerance to rifampicin. Microbiology. 2010 Mar;156(Pt 3):873-83. doi: 10.1099/mic.0.033670-0. Epub 2009, Nov 19. PMID:19926651 doi:http://dx.doi.org/10.1099/mic.0.033670-0
↑ Dey A, Verma AK, Chatterji D. Role of an RNA polymerase interacting protein, MsRbpA, from Mycobacterium smegmatis in phenotypic tolerance to rifampicin. Microbiology. 2010 Mar;156(Pt 3):873-83. doi: 10.1099/mic.0.033670-0. Epub 2009, Nov 19. PMID:19926651 doi:http://dx.doi.org/10.1099/mic.0.033670-0

1 Structural highlights
2 Function
3 References

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6fed

From Proteopedia

Structure of Mycobacterium smegmatis RNA polymerase Sigma-A holoenzyme

Structural highlights

Function

References

Contents

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