SMTL ID : 8urw.1

Cyanobacterial RNA polymerase elongation complex with NusG and CTP

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

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

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain D: D.466, D.468 Ligands: CTP.4 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:D.466, D:D.466, D:D.468, D:D.468

2 x ZN: ZINC ION(Non-covalent)

ZN.2: 4 residues within 4Å: Chain D: C.70, C.72, C.85, C.88 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.70, D:C.72, D:C.85, D:C.88 ZN.3: 4 residues within 4Å: Chain F: C.221, C.295, C.302, C.305 4 PLIP interactions: 4 interactions with chain F Metal complexes: F:C.221, F:C.295, F:C.302, F:C.305

1 x CTP: CYTIDINE-5'-TRIPHOSPHATE(Non-covalent)

CTP.4: 12 residues within 4Å: Chain C: R.862 Chain D: R.431, P.433, N.464, D.466, D.468 Chain F: M.339, F.342, H.343 Chain I: G.14 Chain J: A.21 Ligands: MG.1 6 PLIP interactions: 2 interactions with chain C, 3 interactions with chain D, 1 interactions with chain F Salt bridges: C:K.829, C:R.862, F:H.343 Hydrogen bonds: D:R.431, D:R.431, D:N.464

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Qayyum, M.Z. et al., Structure and function of the Si3 insertion integrated into the trigger loop/helix of cyanobacterial RNA polymerase. Proc.Natl.Acad.Sci.USA (2024)

Release Date

2023-12-27

Peptides

DNA-directed RNA polymerase subunit alpha: AB
DNA-directed RNA polymerase subunit beta: C
DNA-directed RNA polymerase subunit gamma: D
DNA-directed RNA polymerase subunit omega: E
DNA-directed RNA polymerase subunit beta': F
Transcription termination/antitermination protein NusG: G

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
Z

G
G

DNA-directed RNA polymerase subunit alpha

DNA-directed RNA polymerase subunit beta

DNA-directed RNA polymerase subunit gamma

DNA-directed RNA polymerase subunit omega

DNA-directed RNA polymerase subunit beta'

Transcription termination/antitermination protein NusG

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