4A2U | pdb_00004a2u

CRP(CAP) from Myco. Tuberculosis, with cAMP

• PDB DOI: https://doi.org/10.2210/pdb4A2U/pdb

• Classification: TRANSCRIPTION
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-09-28 Released: 2012-10-10 
• Deposition Author(s): Gallagher, D.T., Reddy, P.T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.63 Å
• R-Value Free: 
  0.288 (Depositor), 0.297 (DCC) 
• R-Value Work: 
  0.183 (Depositor), 0.196 (DCC) 
• R-Value Observed: 
  0.189 (Depositor) 

Literature

A New Crystal Form of Crp from M. Tuberculosis and Conformational Effects of Crystal Packing

Kim, S.-K., Robinson, H., Reddy, P.T., Gallagher, D.T.

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)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

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

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 203.5 kDa 
• Atom Count: 14,105 
• Modeled Residue Count: 1,780 
• Deposited Residue Count: 1,816 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROBABLE TRANSCRIPTIONAL REGULATORY PROTEIN (PROBABLY CRP/ FNR-FAMILY)	A, B, C, D, E, F, G, H	227	Mycobacterium tuberculosis H37Rv	Mutation(s): 0
UniProt
Find proteins for P9WMH3 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WMH3  Go to UniProtKB:  P9WMH3

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.63 Å
• R-Value Free:  0.288 (Depositor), 0.297 (DCC) 
• R-Value Work:  0.183 (Depositor), 0.196 (DCC) 
• R-Value Observed: 0.189 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.328	α = 84.41
b = 67.801	β = 83.46
c = 104.877	γ = 80.14

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
HKL-2000	data scaling
SHELX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-10-10 
Deposition Author(s): Gallagher, D.T., Reddy, P.T.

Revision History  

• Version 1.0: 2012-10-10
  Type: Initial release
  
• Version 1.1: 2024-05-08
  Changes: Data collection, Database references, Derived calculations, Other