7UA7

Crystal structure of indoline 9 with KPC-2

• PDB DOI: https://doi.org/10.2210/pdb7UA7/pdb

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


• Deposited: 2022-03-11 Released: 2023-03-15 
• Deposition Author(s): Akhtar, A., Chen, Y.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.230 
• R-Value Work: 0.177 
• R-Value Observed: 0.182 

Starting Model: experimental

Literature

Probing the binding hot spots of KPC-2 carbapenemase using reversible tetrazole-based inhibitors

DeFrees, K., Cambeis, E.M., Chen, Y., Renslo, A.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 Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 29.58 kDa 
• Atom Count: 2,152 
• Modelled Residue Count: 271 
• Deposited Residue Count: 272 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carbapenem-hydrolyzing beta-lactamase KPC	A	272	Klebsiella pneumoniae	Mutation(s): 0  Gene Names: bla, kpc, kpc1 EC: 3.5.2.6
UniProt
Find proteins for Q9F663 (Klebsiella pneumoniae) Explore Q9F663  Go to UniProtKB:  Q9F663

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
M53 (Subject of Investigation/LOI)	E [auth A]	tert-butyl {(3R)-3-[(1H-tetrazol-5-yl)carbamoyl]-1-[3-(trifluoromethyl)benzoyl]-2,3-dihydro-1H-indol-3-yl}carbamate C23 H22 F3 N7 O4 RFHIEPXMXRQDKW-QFIPXVFZSA-N
GOL	B [auth A], C [auth A], D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.230 
• R-Value Work: 0.177 
• R-Value Observed: 0.182 
• Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.844	α = 90
b = 58.747	β = 90
c = 76.29	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction
HKL-2000	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-03-15 
Deposition Author(s): Akhtar, A., Chen, Y.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	AI161762

Revision History  

• Version 1.0: 2023-03-15
  Type: Initial release
  
• Version 1.1: 2023-10-25
  Changes: Data collection, Refinement description