7Q4U image
Entry Detail
PDB ID:
7Q4U
EMDB ID:
EMD-13817
Keywords:
TRANSCRIPTION
Title:
Cryo-EM structure of Mycobacterium tuberculosis RNA polymerase holoenzyme octamer comprising sigma factor SigB
Biological Source:
Source Organism:
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Host Organism:
Escherichia coli BL21(DE3)
PDB Version:
Deposition Date:
2021-11-02
Release Date:
2022-11-16
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
4.39 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
7Q4U validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Description:DNA-directed RNA polymerase subunit alpha
Chain IDs:A, B, G, H, M, N, S, T, Y (auth: Z), Z (auth: AA), EA (auth: FA), FA (auth: GA), KA (auth: LA), LA (auth: MA), QA (auth: RA), RA (auth: SA)
Chain Length:347
Number of Molecules:16
Biological Source:Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
UniProt ID:P9WGZ1 Pfam ID:PF01193, PF01000, PF03118
Protein Blast
Polymer Type:polypeptide(L)
Description:DNA-directed RNA polymerase subunit beta
Mutations:L2E3G4C5 -> V
Chain IDs:C, I, O, U (auth: V), AA (auth: BA), GA (auth: HA), MA (auth: NA), SA (auth: TA)
Chain Length:1174
Number of Molecules:8
Biological Source:Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
UniProt ID:P9WGY9 Pfam ID:PF04563, PF04561, PF04565, PF10385, PF00562, PF04560
Protein Blast
Polymer Type:polypeptide(L)
Description:DNA-directed RNA polymerase subunit beta'
Chain IDs:D, J, P, V (auth: W), BA (auth: CA), HA (auth: IA), NA (auth: OA), TA (auth: UA)
Chain Length:1319
Number of Molecules:8
Biological Source:Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
UniProt ID:P9WGY7 Pfam ID:PF04997, PF00623, PF04983, PF05000, PF04998
Protein Blast
Polymer Type:polypeptide(L)
Description:DNA-directed RNA polymerase subunit omega
Chain IDs:E, K, Q, W (auth: X), CA (auth: DA), IA (auth: JA), OA (auth: PA), UA (auth: VA)
Chain Length:110
Number of Molecules:8
Biological Source:Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
UniProt ID:P9WGY5 Pfam ID:PF01192
Protein Blast
Polymer Type:polypeptide(L)
Description:RNA polymerase sigma factor SigB
Chain IDs:F, L, R, X (auth: Y), DA (auth: EA), JA (auth: KA), PA (auth: QA), VA (auth: WA)
Chain Length:343
Number of Molecules:8
Biological Source:Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
UniProt ID:P9WGI5 Pfam ID:PF00140, PF04542, PF04539, PF04545
Ligand Molecules
MG
ZN
Primary Citation
Structural basis of the mycobacterial stress-response RNA polymerase auto-inhibition via oligomerization
Nat Commun 14 484 ? (2023)
DOI: 10.1038/s41467-023-36113-y
Primary Citation of related structures
7PP4