3HGY

Crystal Structure of CmeR Bound to Taurocholic Acid

• PDB DOI: https://doi.org/10.2210/pdb3HGY/pdb

• Classification: Transcription repressor, drug binding
• Organism(s): Campylobacter jejuni
• Mutation(s): No 


• Deposited: 2009-05-14 Released: 2010-06-30 
• Deposition Author(s): Routh, M.D., Yang, F.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.42 Å
• R-Value Free: 0.289 
• R-Value Work: 0.235 
• R-Value Observed: 0.237 

Literature

Structural basis for anionic ligand recognition by multidrug binding proteins: crystal structures of CmeR-bile acid complexes

Routh, M.D., Yang, F., Su, C.-C., Zhang, Q., Yu, E.W.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 25.61 kDa 
• Atom Count: 1,704 
• Modelled Residue Count: 202 
• Deposited Residue Count: 216 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CmeR	A	216	Campylobacter jejuni	Mutation(s): 0
UniProt
Find proteins for Q7B8P6 (Campylobacter jejuni) Explore Q7B8P6  Go to UniProtKB:  Q7B8P6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TCH	B [auth A]	TAUROCHOLIC ACID C26 H45 N O7 S WBWWGRHZICKQGZ-HZAMXZRMSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.42 Å
• R-Value Free: 0.289 
• R-Value Work: 0.235 
• R-Value Observed: 0.237 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.69	α = 90
b = 37.488	β = 90
c = 57.733	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-06-30 
Deposition Author(s): Routh, M.D., Yang, F.

Revision History  

• Version 1.0: 2010-06-30
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2011-09-14
  Changes: Advisory
• Version 1.3: 2017-11-01
  Changes: Refinement description
• Version 1.4: 2024-02-21
  Changes: Data collection, Database references, Derived calculations