SMTL ID : 7akz.1 (1 other biounit)

Deciphering the role of the channel constrictions in the opening mechanism of MexAB-OprM efflux pump from Pseudomonas aeruginosa

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

homo-trimer

Ligands

3 x PLM: PALMITIC ACID(Covalent)

PLM.1: 3 residues within 4Å: Chain A: C.1, L.128, F.129 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:L.128, A:F.129, A:F.129 PLM.5: 3 residues within 4Å: Chain B: C.1, L.128, F.129 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:L.128, B:F.129, B:F.129 PLM.9: 3 residues within 4Å: Chain C: C.1, L.128, F.129 3 PLIP interactions: 3 interactions with chain C Hydrophobic interactions: C:L.128, C:F.129, C:F.129

9 x BOG: octyl beta-D-glucopyranoside(Non-covalent)

BOG.2: 5 residues within 4Å: Chain A: F.335, A.337, R.341 Chain B: R.81, F.85 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.341, A:R.341 Hydrophobic interactions: B:F.85 BOG.3: 1 residues within 4Å: Chain A: R.96 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.96 Salt bridges: A:R.96 BOG.4: 6 residues within 4Å: Chain A: L.3, R.293, F.296, F.297, P.298, L.344 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.296, A:F.297, A:F.297, A:P.298 Hydrogen bonds: A:R.293 BOG.6: 5 residues within 4Å: Chain B: F.335, A.337, R.341 Chain C: R.81, F.85 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain C Hydrogen bonds: B:R.341, B:R.341 Hydrophobic interactions: C:F.85 BOG.7: 1 residues within 4Å: Chain B: R.96 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.96 Salt bridges: B:R.96 BOG.8: 6 residues within 4Å: Chain B: L.3, R.293, F.296, F.297, P.298, L.344 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:F.296, B:F.297, B:F.297, B:P.298 Hydrogen bonds: B:R.293 BOG.10: 5 residues within 4Å: Chain A: R.81, F.85 Chain C: F.335, A.337, R.341 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain C Hydrophobic interactions: A:F.85 Hydrogen bonds: C:R.341, C:R.341 BOG.11: 1 residues within 4Å: Chain C: R.96 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:R.96 Salt bridges: C:R.96 BOG.12: 6 residues within 4Å: Chain C: L.3, R.293, F.296, F.297, P.298, L.344 5 PLIP interactions: 5 interactions with chain C Hydrophobic interactions: C:F.296, C:F.297, C:F.297, C:P.298 Hydrogen bonds: C:R.293

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ntsogo Enguene, V.Y. et al., Deciphering the role of the channel constrictions in the opening mechanism of MexAB-OprM efflux pump from Pseudomonas aeruginosa. To Be Published

Release Date

2022-04-13

Peptides

Outer membrane protein OprM: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

Outer membrane protein OprM

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