SMTL ID : 8qa9.1

Crystal structure of the RK2 plasmid encoded co-complex of the C-terminally truncated transcriptional repressor protein KorB complexed with the partner repressor protein KorA bound to OA-DNA

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

hetero-2-2-mer

Ligands

5 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 7 residues within 4Å: Chain A: R.40, G.85, A.86, R.87, R.88, R.120, E.122 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:G.85, A:R.87, A:R.87, A:R.88 Salt bridges: A:R.40, A:R.88, A:R.120 SO4.2: 7 residues within 4Å: Chain B: R.40, G.85, A.86, R.87, R.88, R.120, E.122 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:G.85, B:R.87, B:R.88 Salt bridges: B:R.40, B:R.87, B:R.88, B:R.120 SO4.3: 2 residues within 4Å: Chain C: T.47, R.48 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:R.48 Salt bridges: C:R.48 SO4.4: 3 residues within 4Å: Chain D: L.46, T.47, R.48 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:R.48 Salt bridges: D:R.48 SO4.5: 4 residues within 4Å: Chain E: G.7, C.8 Chain F: C.8, T.9 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

McLean, T.C. et al., KorB switching from DNA-sliding clamp to repressor mediates long-range gene silencing in a multi-drug resistance plasmid. Nat Microbiol (2025)

Release Date

2024-02-21

Peptides

Transcriptional repressor protein KorB: AB
TrfB transcriptional repressor protein: CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Transcriptional repressor protein KorB

TrfB transcriptional repressor protein

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