3Q1F

CTX-M-9 S70G in complex with hydrolyzed piperacillin

• PDB DOI: https://doi.org/10.2210/pdb3Q1F/pdb

• Classification: Hydrolase/Antibiotic
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-12-17 Released: 2011-12-21 
• Deposition Author(s): Leyssne, D., Delmas, J., Coignoux, A., Robin, F., Bonnet, R.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.176 
• R-Value Work: 0.144 
• R-Value Observed: 0.145 

Starting Model: experimental

Literature

CTX-M-9 S70G mutant in complex with hydrolyzed piperacillin

Leyssne, D., Delmas, J., Coignoux, A., Robin, F., Bonnet, R.

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 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 58.03 kDa 
• Atom Count: 4,996 
• Modelled Residue Count: 522 
• Deposited Residue Count: 526 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-lactamase	A, B	263	Escherichia coli	Mutation(s): 1  Gene Names: blaCTX-M-9, blaCTX-M-9a, blaCTX-M-9b EC: 3.5.2.6
UniProt
Find proteins for Q9L5C8 (Escherichia coli) Explore Q9L5C8  Go to UniProtKB:  Q9L5C8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
YPP	C [auth A], D [auth A], E [auth B], F [auth B]	Hydrolyzed piperacillin C23 H29 N5 O8 S OKSUEATVFIVTFV-WBTNSWJXSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.176 
• R-Value Work: 0.144 
• R-Value Observed: 0.145 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.098	α = 90
b = 106.606	β = 101.92
c = 47.541	γ = 90

Software Package:

Software Name	Purpose
DNA	data collection
PHASER	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-12-21 
Deposition Author(s): Leyssne, D., Delmas, J., Coignoux, A., Robin, F., Bonnet, R.

Revision History  

• Version 1.0: 2011-12-21
  Type: Initial release
  
• Version 1.1: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description