4XFK | pdb_00004xfk

Crystal structure of Leucine-, Isoleucine-, Valine-, Threonine-, and Alanine-binding protein from Brucella ovis

• PDB DOI: https://doi.org/10.2210/pdb4XFK/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Brucella ovis ATCC 25840
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2014-12-27 Released: 2015-03-11 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free: 
  0.161 (Depositor), 0.163 (DCC) 
• R-Value Work: 
  0.137 (Depositor), 0.138 (DCC) 
• R-Value Observed: 
  0.138 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of Leucine-, Isoleucine-, Valine-, Threonine-, and Alanine-binding protein from Brucella ovis

Abendroth, J., Fairman, J.W., Lorimer, D.D., Edwards, T.E.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 43.27 kDa 
• Atom Count: 3,532 
• Modeled Residue Count: 391 
• Deposited Residue Count: 399 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative branched chain amino acid ABC transporter, periplasmic amino acid-binding protein	A	399	Brucella ovis ATCC 25840	Mutation(s): 1  Gene Names: BOV_A0021
UniProt
Find proteins for A0A0J9X260 (Brucella ovis (strain ATCC 25840 / 63/290 / NCTC 10512)) Explore A0A0J9X260  Go to UniProtKB:  A0A0J9X260

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACT	B [auth A], C [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
NA	D [auth A], E [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free:  0.161 (Depositor), 0.163 (DCC) 
• R-Value Work:  0.137 (Depositor), 0.138 (DCC) 
• R-Value Observed: 0.138 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M34XFK

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.12	α = 90
b = 46.39	β = 101.62
c = 62.4	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing
ARP	model building
WARP	model building
Coot	model building
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-03-11 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2015-03-11
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Advisory, Derived calculations, Refinement description, Source and taxonomy
• Version 1.2: 2024-02-28
  Changes: Data collection, Database references, Derived calculations
• Version 1.3: 2026-03-04
  Changes: Refinement description, Structure summary