2J4U

E.coli OmpC - camel Lactoferrin complex

• PDB DOI: https://doi.org/10.2210/pdb2J4U/pdb

• Classification: MEMBRANE PROTEIN/HYDROLASE
• Organism(s): Escherichia coli, Camelus dromedarius
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2006-09-06 Released: 2007-02-13 
• Deposition Author(s): Baalaji, S., Acharya, R.K., Singh, T.P., Krishnaswamy, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.99 Å
• R-Value Free: 0.282 
• R-Value Work: 0.215 
• R-Value Observed: 0.218 

Starting Models: experimental

Literature

Crystal Structure of the Membrane Protein Ompc Complex with Antibacterial Lactoferrin

Baalaji, S., Acharya, R.K., Singh, T.P., Krishnaswamy, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A3B1 Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A3B1 Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 240.42 kDa 
• Atom Count: 16,534 
• Modelled Residue Count: 2,112 
• Deposited Residue Count: 2,166 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
OUTER MEMBRANE PROTEIN C PRECURSOR	A [auth P], B [auth Q], C [auth R], E [auth U], F [auth V], G [auth W]	346	Escherichia coli	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for P06996 (Escherichia coli (strain K12)) Explore P06996  Go to UniProtKB:  P06996

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
LACTOTRANSFERRIN	D [auth S], H [auth X]	45	Camelus dromedarius	Mutation(s): 0  EC: 3.4.21 Membrane Entity: Yes
UniProt
Find proteins for Q9TUM0 (Camelus dromedarius) Explore Q9TUM0  Go to UniProtKB:  Q9TUM0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.99 Å
• R-Value Free: 0.282 
• R-Value Work: 0.215 
• R-Value Observed: 0.218 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 201.47	α = 90
b = 116.286	β = 90.03
c = 152.28	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-02-13 
Deposition Author(s): Baalaji, S., Acharya, R.K., Singh, T.P., Krishnaswamy, S.

Revision History  

• Version 1.0: 2007-02-13
  Type: Initial release
  
• Version 1.1: 2013-09-18
  Changes: Derived calculations, Refinement description, Version format compliance
• Version 1.2: 2023-12-13
  Changes: Data collection, Database references, Other, Refinement description
• Version 1.3: 2024-10-16
  Changes: Structure summary