SMTL ID : 7q59.1

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

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-2-2-2-2-mer

Ligands

4 x ZN: ZINC ION(Non-covalent)

ZN.1: 7 residues within 4Å: Chain D: C.888, R.960, C.965, A.966, T.967, C.972, C.975 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.888, D:C.965, D:C.972, D:C.975 ZN.2: 4 residues within 4Å: Chain D: C.57, C.59, C.72, C.75 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.57, D:C.59, D:C.72, D:C.75 ZN.4: 7 residues within 4Å: Chain J: C.888, R.960, C.965, A.966, T.967, C.972, C.975 4 PLIP interactions: 4 interactions with chain J Metal complexes: J:C.888, J:C.965, J:C.972, J:C.975 ZN.5: 5 residues within 4Å: Chain J: C.57, C.59, K.61, C.72, C.75 4 PLIP interactions: 4 interactions with chain J Metal complexes: J:C.57, J:C.59, J:C.72, J:C.75

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 3 residues within 4Å: Chain D: D.532, D.534, D.536 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:D.532, D:D.532, D:D.534, D:D.536 MG.6: 3 residues within 4Å: Chain J: D.532, D.534, D.536 4 PLIP interactions: 4 interactions with chain J Metal complexes: J:D.532, J:D.532, J:D.534, J:D.536

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

2022-11-16

Peptides

DNA-directed RNA polymerase subunit alpha: ABGH
DNA-directed RNA polymerase subunit beta: CI
DNA-directed RNA polymerase subunit beta': DJ
DNA-directed RNA polymerase subunit omega: EK
RNA polymerase sigma factor SigB: FL

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

G
a

H
b

C
C

I
c

D
D

J
d

E
E

K
e

F
F

L
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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