1JEU | pdb_00001jeu

OLIGO-PEPTIDE BINDING PROTEIN (OPPA) COMPLEXED WITH KEK

• PDB DOI: https://doi.org/10.2210/pdb1JEU/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: 1.25 Å
• R-Value Free: 
  0.252 (Depositor) 
• R-Value Work: 
  0.224 (Depositor) 

Starting Model: experimental

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 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: 61.44 kDa 
• Atom Count: 4,632 
• Modeled 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 GLU 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: 1.25 Å
• R-Value Free:  0.252 (Depositor) 
• R-Value Work:  0.224 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 111.41	α = 90
b = 76.41	β = 90
c = 71.25	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
CCP4	model building
PROLSQ	refinement
CCP4	phasing

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: 2023-08-09
  Changes: Database references, Derived calculations, Refinement description
• Version 1.4: 2024-10-16
  Changes: Data collection, Structure summary