4N74 | pdb_00004n74

Crystal Structure of Outer Membrane Protein TamA beta-barrel Domain in E.coli

• PDB DOI: https://doi.org/10.2210/pdb4N74/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Escherichia coli BW2952
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2013-10-14 Released: 2014-10-15 
• Deposition Author(s): Wang, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 
  0.281 (Depositor), 0.292 (DCC) 
• R-Value Work: 
  0.232 (Depositor), 0.244 (DCC) 
• R-Value Observed: 
  0.237 (Depositor) 

Literature

Structural Basis of BamA-mediate Outer Membrane Protein Biogenesis

Huang, Y.H.

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: 35.34 kDa 
• Atom Count: 2,502 
• Modeled Residue Count: 314 
• Deposited Residue Count: 314 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Predicted outer membrane protein and surface antigen	A	314	Escherichia coli BW2952	Mutation(s): 4

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free:  0.281 (Depositor), 0.292 (DCC) 
• R-Value Work:  0.232 (Depositor), 0.244 (DCC) 
• R-Value Observed: 0.237 (Depositor) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.071	α = 90
b = 71.071	β = 90
c = 143.341	γ = 120

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHENIX	model building
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-15 
Deposition Author(s): Wang, Y.

Revision History  

• Version 1.0: 2014-10-15
  Type: Initial release
  
• Version 1.1: 2024-03-20
  Changes: Data collection, Database references