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ExbB pentamer complex with ExbD peptide (red) (PDB code 5zfu)

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3D structures of ExbB

Updated on 26-February-2023

5zfu, 5zfv – EcExbB + ExbD peptide – Escherichia coli – Cryo EM
6tyi – EcExbB + ExbD – Cryo EM
5sv1 – ExbB + ExbD peptide
5sv0, 5zfp – EcExbB
6ye4 – SmExbB – Serratia marsescens - Cryo EM
7ajq – SmExbB + ExbD - Cryo EM


  1. 1.0 1.1 Kampfenkel K, Braun V. Topology of the ExbB protein in the cytoplasmic membrane of Escherichia coli. J Biol Chem. 1993 Mar 15;268(8):6050-7. PMID:8449962
  2. 2.0 2.1 Held KG, Postle K. ExbB and ExbD do not function independently in TonB-dependent energy transduction. J Bacteriol. 2002 Sep;184(18):5170-3. PMID:12193634
  3. 3.0 3.1 Braun V, Herrmann C. Point mutations in transmembrane helices 2 and 3 of ExbB and TolQ affect their activities in Escherichia coli K-12. J Bacteriol. 2004 Jul;186(13):4402-6. PMID:15205446 doi:10.1128/JB.186.13.4402-4406.2004

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