4QY6

Crystal structures of chimeric beta-lactamase cTEM-19m showing different conformations

• PDB DOI: https://doi.org/10.2210/pdb4QY6/pdb

• Classification: HYDROLASE
• Organism(s): Escherichia coli, Pseudomonas aeruginosa
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-07-23 Released: 2015-08-12 
• Deposition Author(s): Park, J., Gobeil, S., Pelletier, J.N., Berghuis, A.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.15 Å
• R-Value Free: 0.139 
• R-Value Work: 0.105 
• R-Value Observed: 0.106 

Literature

Crystal structures of chimeric beta-lactamase cTEM-19m showing different conformations

Park, J., Gobeil, S., Pelletier, J.N., Berghuis, A.M.

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: 29.14 kDa 
• Atom Count: 2,761 
• Modelled Residue Count: 263 
• Deposited Residue Count: 263 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-lactamase TEM, Beta-lactamase PSE-4	A	263	Escherichia coli, Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: bla, blaT-3, blaT-4, blaT-5, blaT-6, pse4, carB1 EC: 3.5.2.6
UniProt
Find proteins for P62593 (Escherichia coli) Explore P62593  Go to UniProtKB:  P62593
Find proteins for P16897 (Pseudomonas aeruginosa) Explore P16897  Go to UniProtKB:  P16897
UniProt Groups	P62593P16897

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	H [auth A], I [auth A], J [auth A], K [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.15 Å
• R-Value Free: 0.139 
• R-Value Work: 0.105 
• R-Value Observed: 0.106 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 36.84	α = 90
b = 58.76	β = 90
c = 109.94	γ = 90

Software Package:

Software Name	Purpose
MxDC	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-08-12 
Deposition Author(s): Park, J., Gobeil, S., Pelletier, J.N., Berghuis, A.M.

Revision History  

• Version 1.0: 2015-08-12
  Type: Initial release
  
• Version 1.1: 2017-08-02
  Changes: Refinement description, Source and taxonomy
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description