9TOF | pdb_00009tof

CTX-M-15 class A beta-lactamase mixed with avibactam for 3 hours, then washed for 300 s, cryo crystal structure

PDB DOI: https://doi.org/10.2210/pdb9TOF/pdb

Classification: ANTIMICROBIAL PROTEIN
Organism(s): Klebsiella pneumoniae
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2025-12-16 Released: 2026-10-28
Deposition Author(s): Tooke, C.L., Hinchliffe, P., Spencer, J.
Funding Organization(s): European Research Council (ERC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.24 Å
R-Value Free:
0.197 (Depositor), 0.197 (DCC)
R-Value Work:
0.163 (Depositor), 0.163 (DCC)
R-Value Observed:
0.165 (Depositor)

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Time-resolved ligand dynamics revealed in a beta-lactamase using room-temperature serial crystallography

Tooke, C.L., Hinchliffe, P., Orville, A.M., Spencer, J.

To be published.

Macromolecule Content

Total Structure Weight: 29.12 kDa
Atom Count: 2,447
Modeled Residue Count: 261
Deposited Residue Count: 265
Unique protein chains: 1

Macromolecules

Find similar proteins by:

| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-lactamase	A	265	Klebsiella pneumoniae	Mutation(s): 0 Gene Names: blaCTX-M-15 EC: 3.5.2.6
UniProt
Find proteins for G3G192 (Klebsiella pneumoniae) Explore G3G192 Go to UniProtKB: G3G192
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	G3G192
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NXL (Subject of Investigation/LOI) Query on NXL Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	(2S,5R)-1-formyl-5-[(sulfooxy)amino]piperidine-2-carboxamide C₇ H₁₃ N₃ O₆ S WJDGWXPPFHLLNL-RITPCOANSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
SO4 Query on SO4 Download:Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain G [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A]	D [auth A], E [auth A], F [auth A], G [auth A]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A]
GOL Query on GOL Download:Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain H [auth A] MOL2 format, chain H [auth A] mmCIF format, chain H [auth A]	H [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain H [auth A] Interactions & Density Focus chain H [auth A]
NA Query on NA Download:Ideal Coordinates CCD File SDF format, chain I [auth A] SDF format, chain J [auth A] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] mmCIF format, chain I [auth A] mmCIF format, chain J [auth A]	I [auth A], J [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N		Interactions Focus chain I [auth A] Focus chain J [auth A] Interactions & Density Focus chain I [auth A] Focus chain J [auth A]