2RF8

Crystal Structure of the mutant C2A conjugated bile acid hydrolase from Clostridium perfringens

• PDB DOI: https://doi.org/10.2210/pdb2RF8/pdb

• Classification: HYDROLASE
• Organism(s): Clostridium perfringens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2007-09-28 Released: 2008-10-07 
• Deposition Author(s): Rossmann, M., Saenger, W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.275 
• R-Value Work: 0.206 
• R-Value Observed: 0.209 

Starting Model: experimental

Literature

Structural basis for the catalytic activity and processing of the conjugated bile salt hydrolase from Clostridium perfringens

Rossmann, M., Saenger, W.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 74.65 kDa 
• Atom Count: 5,454 
• Modelled Residue Count: 657 
• Deposited Residue Count: 658 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Choloylglycine hydrolase	A, B	329	Clostridium perfringens	Mutation(s): 1  Gene Names: cbh EC: 3.5.1.24 (PDB Primary Data), 3.5.1 (UniProt), 2.3.1 (UniProt)
UniProt
Find proteins for P54965 (Clostridium perfringens (strain 13 / Type A)) Explore P54965  Go to UniProtKB:  P54965

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth A], D [auth A], E [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.275 
• R-Value Work: 0.206 
• R-Value Observed: 0.209 
• Space Group: P 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.64	α = 90
b = 64.64	β = 90
c = 338.833	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-10-07 
Deposition Author(s): Rossmann, M., Saenger, W.

Revision History  

• Version 1.0: 2008-10-07
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2021-10-20
  Changes: Database references, Derived calculations
• Version 1.3: 2023-08-30
  Changes: Data collection, Refinement description