2A9S

The crystal structure of competence/damage inducible protein CihA from Agrobacterium tumefaciens

• PDB DOI: https://doi.org/10.2210/pdb2A9S/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Agrobacterium fabrum str. C58
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2005-07-12 Released: 2005-07-19 
• Deposition Author(s): Lunin, V.V., Evdokimova, E., Kudritska, M., Kim, Y., Joachimiak, A., Edwards, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.219 
• R-Value Work: 0.168 
• R-Value Observed: 0.171 

Literature

The crystal structure of competence/damage inducible protein CihA from Agrobacterium tumefaciens

Lunin, V.V., Evdokimova, E., Kudritska, M., Kim, Y., Joachimiak, A., Edwards, A., Savchenko, A.

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: 35.66 kDa 
• Atom Count: 2,761 
• Modelled Residue Count: 332 
• Deposited Residue Count: 342 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
competence/damage-inducible protein CinA	A, B	171	Agrobacterium fabrum str. C58	Mutation(s): 0
UniProt
Find proteins for A9CJ26 (Agrobacterium fabrum (strain C58 / ATCC 33970)) Explore A9CJ26  Go to UniProtKB:  A9CJ26

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.219 
• R-Value Work: 0.168 
• R-Value Observed: 0.171 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.05	α = 90
b = 68.79	β = 90
c = 96.67	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASES	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-07-19 
Deposition Author(s): Lunin, V.V., Evdokimova, E., Kudritska, M., Kim, Y., Joachimiak, A., Edwards, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2005-07-19
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2024-02-14
  Changes: Data collection, Database references, Derived calculations