SMTL ID : 9ddo.1

E. coli TonB-ExbBD TonB bound to ExbB chain C

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-5-1-2-mer

Ligands

2 x PEV: (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE(Non-covalent)

PEV.1: 16 residues within 4Å: Chain B: C.25, G.29, R.128, G.131, Y.132, T.135, I.136, F.146 Chain C: F.41, V.186, I.189, P.190, V.193, V.197, R.200, Q.201 13 PLIP interactions: 9 interactions with chain C, 4 interactions with chain B Hydrophobic interactions: C:F.41, C:V.186, C:I.189, C:I.189, C:P.190, C:V.193, C:V.197, B:T.135, B:I.136, B:F.146 Hydrogen bonds: C:Q.201, B:Y.132 Salt bridges: C:R.200 PEV.2: 13 residues within 4Å: Chain D: G.29, R.128, G.131, Y.132, V.143, F.146 Chain E: W.38, V.186, I.189, V.193, V.197, R.200, Q.201 12 PLIP interactions: 7 interactions with chain E, 5 interactions with chain D Hydrophobic interactions: E:W.38, E:V.186, E:I.189, E:V.193, E:V.193, E:V.197, D:Y.132, D:Y.132, D:V.143, D:F.146 Hydrogen bonds: E:Q.201, D:R.128

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Celia, H. et al., Cryo-EM structures of the E. coli Ton and Tol motor complexes. Nat Commun (2025)

Release Date

2025-07-09

Peptides

Biopolymer transport protein ExbB: ABCDE
Protein TonB: F
Biopolymer transport protein ExbD: GH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
Y

H
Z

Membrane

We predict this structure to be a membrane protein.
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Biopolymer transport protein ExbB

Protein TonB

Biopolymer transport protein ExbD

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