SMTL ID : 7pp4.1

Cryo-EM structure of Mycobacterium tuberculosis RNA polymerase holoenzyme comprising sigma factor SigB

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY 3.84 Å

Oligo State

hetero-2-1-1-1-1-mer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 7 residues within 4Å: Chain D: C.891, R.963, C.968, A.969, T.970, C.975, C.978 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.891, D:C.968, D:C.975, D:C.978 ZN.2: 4 residues within 4Å: Chain D: C.60, C.62, C.75, C.78 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.60, D:C.62, D:C.75, D:C.78

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 3 residues within 4Å: Chain D: D.535, D.537, D.539 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:D.535, D:D.535, D:D.537, D:D.539

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Morichaud, Z. et al., Structural basis of the mycobacterial stress-response RNA polymerase auto-inhibition via oligomerization. Nat Commun (2023)

Release Date

2022-09-21

Peptides

DNA-directed RNA polymerase subunit alpha: AB
DNA-directed RNA polymerase subunit beta: C
DNA-directed RNA polymerase subunit beta': D
DNA-directed RNA polymerase subunit omega: E
RNA polymerase sigma factor SigB: F

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
a

B
b

C
c

D
d

E
e

F
f

DNA-directed RNA polymerase subunit alpha

DNA-directed RNA polymerase subunit beta

DNA-directed RNA polymerase subunit beta'

DNA-directed RNA polymerase subunit omega

RNA polymerase sigma factor SigB

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