1JEV

OLIGO-PEPTIDE BINDING PROTEIN (OPPA) COMPLEXED WITH KWK

• PDB DOI: https://doi.org/10.2210/pdb1JEV/pdb

• Classification: COMPLEX (PEPTIDE TRANSPORT/PEPTIDE)
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
• Mutation(s): No 


• Deposited: 1996-07-03 Released: 1997-05-15 
• Deposition Author(s): Tame, J., Wilkinson, A.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free: 0.226 
• R-Value Work: 0.203 

Literature

The role of water in sequence-independent ligand binding by an oligopeptide transporter protein.

Tame, J.R., Sleigh, S.H., Wilkinson, A.J., Ladbury, J.E.

(1996) Nat Struct Biol 3: 998-1001

• PubMed: 8946852 
• DOI: https://doi.org/10.1038/nsb1296-998
• Primary Citation of Related Structures:  
  1JET, 1JEU, 1JEV

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content

• Total Structure Weight: 61.5 kDa 
• Atom Count: 4,748 
• Modelled Residue Count: 520 
• Deposited Residue Count: 520 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
OLIGO-PEPTIDE BINDING PROTEIN	A	517	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0
UniProt
Find proteins for P06202 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore P06202  Go to UniProtKB:  P06202

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PEPTIDE LYS TRP LYS	B	3	N/A	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IUM	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A]	URANYL (VI) ION O2 U IZLHQJIUOZHTLW-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free: 0.226 
• R-Value Work: 0.203 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 109.82	α = 90
b = 75.33	β = 90
c = 70.44	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
PROLSQ	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1997-05-15 
Deposition Author(s): Tame, J., Wilkinson, A.J.

Revision History  

• Version 1.0: 1997-05-15
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-10-23
  Changes: Data collection, Database references, Derived calculations, Structure summary