2GZW

Crystal structure of the E.coli CRP-cAMP complex

• PDB DOI: https://doi.org/10.2210/pdb2GZW/pdb

• Classification: TRANSCRIPTION
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-05-12 Released: 2007-05-15 
• Deposition Author(s): Kumarevel, T.S., Tanaka, T., Shinkai, A., Yokoyama, S., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.21 Å
• R-Value Free: 0.278 
• R-Value Work: 0.224 
• R-Value Observed: 0.224 

Literature

Crystal structure of activated CRP protein from E coli

Kumarevel, T.S., Tanaka, T., Shinkai, A., Yokoyama, S.

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)

Biological Assembly 2  

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

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

Macromolecule Content

• Total Structure Weight: 96.8 kDa 
• Atom Count: 6,872 
• Modelled Residue Count: 799 
• Deposited Residue Count: 836 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Catabolite gene activator	A, B, C, D	209	Escherichia coli	Mutation(s): 0  Gene Names: crp, cap, csm
UniProt
Find proteins for P0ACJ8 (Escherichia coli (strain K12)) Explore P0ACJ8  Go to UniProtKB:  P0ACJ8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CMP	E [auth A], F [auth A], G [auth B], H [auth B], I [auth C], J [auth C], K [auth D], L [auth D]	ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE C10 H12 N5 O6 P IVOMOUWHDPKRLL-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.21 Å
• R-Value Free: 0.278 
• R-Value Work: 0.224 
• R-Value Observed: 0.224 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.37	α = 91.25
b = 57.15	β = 101.95
c = 90.74	γ = 103.7

Software Package:

Software Name	Purpose
CNS	refinement
ADSC	data collection
CCP4	data scaling
MOLREP	phasing
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-05-15 
Deposition Author(s): Kumarevel, T.S., Tanaka, T., Shinkai, A., Yokoyama, S., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2007-05-15
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2023-10-25
  Changes: Data collection, Database references, Derived calculations, Refinement description