9S5L | pdb_00009s5l

ADC-30 class C beta-lactamase in complex with benzoxaborole AK-412

• PDB DOI: https://doi.org/10.2210/pdb9S5L/pdb

• Classification: ANTIMICROBIAL PROTEIN
• Organism(s): Acinetobacter baumannii
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-07-29 Released: 2025-09-17 
• Deposition Author(s): Hinchliffe, P., Spencer, J.
• Funding Organization(s): European Research Council (ERC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 
  0.202 (Depositor), 0.202 (DCC) 
• R-Value Work: 
  0.169 (Depositor), 0.169 (DCC) 
• R-Value Observed: 
  0.171 (Depositor) 

Starting Model: experimental

Literature

ADC-30 class C beta-lactamase in complex with benzoxaborole AK-412

Hinchliffe, P., Spencer, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 81.93 kDa 
• Atom Count: 6,592 
• Modeled Residue Count: 716 
• Deposited Residue Count: 720 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-lactamase	A [auth B], B [auth A]	360	Acinetobacter baumannii	Mutation(s): 0  Gene Names: ampC, adc30, FPK63_09015, FPK87_18695, FQZ18_06125 EC: 3.5.2.6
UniProt
Find proteins for A7XM81 (Acinetobacter baumannii) Explore A7XM81  Go to UniProtKB:  A7XM81

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
XQN (Subject of Investigation/LOI)	C [auth B], F [auth A]	4-chloranyl-N-[[(3S)-1-oxidanyl-3H-2,1$l^{4}-benzoxaborol-3-yl]methyl]benzenesulfonamide C14 H13 B Cl N O4 S DXTRMTXHWZFCQA-HUUCEWRRSA-N
CL	D [auth B], G [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	E [auth B], H [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free:  0.202 (Depositor), 0.202 (DCC) 
• R-Value Work:  0.169 (Depositor), 0.169 (DCC) 
• R-Value Observed: 0.171 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.56	α = 90
b = 176.46	β = 111.99
c = 49.44	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
xia2	data reduction
xia2	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-09-17 
Deposition Author(s): Hinchliffe, P., Spencer, J.

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Funding Organization	Location	Grant Number
European Research Council (ERC)	European Union	101021207

Revision History  

• Version 1.0: 2025-09-17
  Type: Initial release