2FA5

The crystal structure of an unliganded multiple antibiotic-resistance repressor (MarR) from Xanthomonas campestris

• PDB DOI: https://doi.org/10.2210/pdb2FA5/pdb

• Classification: TRANSCRIPTION
• Organism(s): Xanthomonas campestris
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-12-06 Released: 2006-11-14 
• Deposition Author(s): Chin, K.H., Tu, Z.L., Li, J.N., Chou, C.C., Wang, A.H.J., Chou, S.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.234 (Depositor) 
• R-Value Work: 
  0.200 (Depositor) 

Literature

The crystal structure of XC1739: a putative multiple antibiotic-resistance repressor (MarR) from Xanthomonas campestris at 1.8 A resolution

Chin, K.H., Tu, Z.L., Li, J.N., Chou, C.C., Wang, A.H.J., Chou, S.H.

(2006) Proteins 65: 239-242

• PubMed: 16862595 
• DOI: https://doi.org/10.1002/prot.21017
• Primary Citation of Related Structures:  
  2FA5

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Organizational Affiliation: 

Institute of Biochemistry, National Chung-Hsing University, Taichung, Taiwan, Republic of China.

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: 37.21 kDa 
• Atom Count: 2,538 
• Modelled Residue Count: 281 
• Deposited Residue Count: 324 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
transcriptional regulator marR/emrR family	A, B	162	Xanthomonas campestris	Mutation(s): 7
UniProt
Find proteins for Q8PDA5 (Xanthomonas campestris pv. campestris (strain ATCC 33913 / DSM 3586 / NCPPB 528 / LMG 568 / P 25)) Explore Q8PDA5  Go to UniProtKB:  Q8PDA5

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

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.234 (Depositor) 
• R-Value Work:  0.200 (Depositor) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.42	α = 90
b = 71.42	β = 90
c = 110.29	γ = 120

Software Package:

Software Name	Purpose
HKL-2000	data collection
SCALA	data scaling
CNS	refinement
HKL-2000	data reduction
CCP4	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-11-14 
Deposition Author(s): Chin, K.H., Tu, Z.L., Li, J.N., Chou, C.C., Wang, A.H.J., Chou, S.H.

Revision History  

• Version 1.0: 2006-11-14
  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: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Structure summary