8REI | pdb_00008rei

CTX-M-14 measured via serial crystallography from a silicon HARE-chip.

• PDB DOI: https://doi.org/10.2210/pdb8REI/pdb

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


• Deposited: 2023-12-11 Released: 2024-12-04 
• Deposition Author(s): Bosman, R., Prester, A., von Soosten, L., Dibenedetto, S., Bartels, K., Sung, S., von Stetten, D., Mehrabi, P., Schulz, E.C.
• Funding Organization(s): German Research Foundation (DFG), German Federal Ministry for Economic Affairs and Energy

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.62 Å
• R-Value Free: 
  0.188 (Depositor), 0.188 (DCC) 
• R-Value Work: 
  0.155 (Depositor), 0.154 (DCC) 
• R-Value Observed: 
  0.157 (Depositor) 

Starting Model: experimental

Literature

A systematic comparison of Kapton-based HARE chips for fixed-target serial crystallography

Bosman, R., Prester, A., Sung, S., von Soosten, L., Dibenedetto, S., Bartels, K., von Stetten, D., Mehrabi, P., Blatter, M., Lu, G., Suer, B., Wilmanns, M., Osbild, M., Schulz, E.C.

(2024) Cell Rep Phys Sci 5: 101987

• DOI: https://doi.org/10.1016/j.xcrp.2024.101987

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 27.87 kDa 
• Atom Count: 2,243 
• Modeled Residue Count: 260 
• Deposited Residue Count: 261 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-lactamase	A	261	Klebsiella pneumoniae	Mutation(s): 0  Gene Names: ctx-m-14 EC: 3.5.2.6
UniProt
Find proteins for A0A0H3H219 (Klebsiella pneumoniae subsp. pneumoniae (strain HS11286)) Explore A0A0H3H219  Go to UniProtKB:  A0A0H3H219

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.62 Å
• R-Value Free:  0.188 (Depositor), 0.188 (DCC) 
• R-Value Work:  0.155 (Depositor), 0.154 (DCC) 
• R-Value Observed: 0.157 (Depositor) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.15	α = 90
b = 42.15	β = 90
c = 234.2	γ = 120

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-12-04 
Deposition Author(s): Bosman, R., Prester, A., von Soosten, L., Dibenedetto, S., Bartels, K., Sung, S., von Stetten, D., Mehrabi, P., Schulz, E.C.

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	458246365
German Research Foundation (DFG)	Germany	451079909
German Federal Ministry for Economic Affairs and Energy	Germany	01KI2114

Revision History  

• Version 1.0: 2024-12-04
  Type: Initial release
  
• Version 1.1: 2025-07-30
  Changes: Database references