2R9H | pdb_00002r9h

Crystal Structure of Q207C Mutant of CLC-ec1 in complex with Fab

• PDB DOI: https://doi.org/10.2210/pdb2R9H/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Escherichia coli, Mus musculus
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2007-09-12 Released: 2007-11-20 
• Deposition Author(s): Nguitragool, W., Miller, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 
  0.280 (Depositor), 0.270 (DCC) 
• R-Value Work: 
  0.261 (Depositor), 0.249 (DCC) 
• R-Value Observed: 
  0.262 (Depositor) 

Literature

Crystal Structure of Q207C Mutant of CLC-ec1 in complex with Fab

Miller, C., Nguitragool, W.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A2B2C2 

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

Macromolecule Content 

• Total Structure Weight: 188.37 kDa 
• Atom Count: 13,221 
• Modeled Residue Count: 1,749 
• Deposited Residue Count: 1,752 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
H(+)/Cl(-) exchange transporter clcA	A, B	444	Escherichia coli	Mutation(s): 1  Gene Names: clcA, eriC Membrane Entity: Yes
UniProt
Find proteins for P37019 (Escherichia coli (strain K12)) Explore P37019  Go to UniProtKB:  P37019

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab fragment	C, E	221	Mus musculus	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab fragment	D, F	211	Mus musculus	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	G [auth A], H [auth A], I [auth B], J [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free:  0.280 (Depositor), 0.270 (DCC) 
• R-Value Work:  0.261 (Depositor), 0.249 (DCC) 
• R-Value Observed: 0.262 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 233.099	α = 90
b = 98.358	β = 131.77
c = 171.922	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-11-20 
Deposition Author(s): Nguitragool, W., Miller, C.

Revision History  

• Version 1.0: 2007-11-20
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2013-10-02
  Changes: Source and taxonomy
• Version 1.3: 2017-10-25
  Changes: Advisory, Refinement description
• Version 1.4: 2021-10-20
  Changes: Advisory, Database references
• Version 1.5: 2024-10-30
  Changes: Data collection, Refinement description, Structure summary