3ROU

Domain-domain flexibility leads to allostery within the camp receptor protein (CRP)

• PDB DOI: https://doi.org/10.2210/pdb3ROU/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2011-04-26 Released: 2012-05-02 
• Deposition Author(s): Knapp, J., White, M.A., Lee, J.C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.247 
• R-Value Work: 0.201 
• R-Value Observed: 0.208 

Literature

Domain-Domain Flexibility Leads to Allostery within the Cam Receptor Protein (Crp)

Knapp, J., White, M.A., Lee, J.C.

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: 48.45 kDa 
• Atom Count: 3,341 
• Modelled Residue Count: 403 
• Deposited Residue Count: 420 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Catabolite gene activator	A, B	210	Escherichia coli K-12	Mutation(s): 1  Gene Names: b3357, cap, crp, csm, JW5702
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	C [auth A], D [auth A], E [auth B]	ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE C10 H12 N5 O6 P IVOMOUWHDPKRLL-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.247 
• R-Value Work: 0.201 
• R-Value Observed: 0.208 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.02	α = 90
b = 93.47	β = 90
c = 104.65	γ = 90

Software Package:

Software Name	Purpose
xpress	data collection
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-05-02 
Deposition Author(s): Knapp, J., White, M.A., Lee, J.C.

Revision History  

• Version 1.0: 2012-05-02
  Type: Initial release
  
• Version 1.1: 2017-11-08
  Changes: Refinement description
• Version 1.2: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description