8IX8

Crystal structure of Class A beta-lactamase BlaA WT - complex with Tebipenem

• PDB DOI: https://doi.org/10.2210/pdb8IX8/pdb

• Classification: ANTIMICROBIAL PROTEIN
• Organism(s): Yersinia enterocolitica
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-03-31 Released: 2024-04-03 
• Deposition Author(s): Bhattacharya, S., Hazra, S.
• Funding Organization(s): Indian Council of Medical Research, Science and Engineering Research Board (SERB)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.201 
• R-Value Work: 0.167 

Starting Model: experimental

Literature

Crystal structure of Class A beta-lactamase BlaA WT - complex with Tebipenem

Bhattacharya, S., Hazra, S.

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 32.64 kDa 
• Atom Count: 2,336 
• Modelled Residue Count: 264 
• Deposited Residue Count: 294 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-lactamase	A	294	Yersinia enterocolitica	Mutation(s): 0  Gene Names: blaA EC: 3.5.2.6
UniProt
Find proteins for Q01166 (Yersinia enterocolitica) Explore Q01166  Go to UniProtKB:  Q01166

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TEB (Subject of Investigation/LOI)	B [auth A]	(4R,5S)-3-(1-(4,5-dihydrothiazol-2-yl)azetidin-3-ylthio)-5-((2S,3R)-3-hydroxy-1-oxobutan-2-yl)-4-methyl-4,5- dihydro-1H-pyrrole-2-carboxylic acid C16 H23 N3 O4 S2 PGCJBZBFZXWIGF-CNVPUSNMSA-N
PO4 (Subject of Investigation/LOI)	C [auth A], D [auth A], E [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.201 
• R-Value Work: 0.167 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.342	α = 90
b = 72.182	β = 96.087
c = 43.543	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Coot	model building
Aimless	data scaling
CrysalisPro	data collection
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-04-03 
Deposition Author(s): Bhattacharya, S., Hazra, S.

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Funding Organization	Location	Grant Number
Indian Council of Medical Research	India	5/3/8/17/GIA-ITR
Indian Council of Medical Research	India	BIC/12(15)/2014
Science and Engineering Research Board (SERB)	India	YSS/2014/000492

Revision History  

• Version 1.0: 2024-04-03
  Type: Initial release
  
• Version 1.1: 2024-10-23
  Changes: Structure summary