9RQA | pdb_00009rqa

Fragment screening of FosAKP, cryo structure in complex with fragment F2X-entry F09

• PDB DOI: https://doi.org/10.2210/pdb9RQA/pdb

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


• Deposited: 2025-06-25 Released: 2025-10-15 
• Deposition Author(s): Guenther, S., Galchenkova, M., Fischer, P., Reinke, P.Y.A., Falke, S., Thekku Veedu, S., Rodrigues, A.C., Senst, J., Meents, A.
• Funding Organization(s): German Federal Ministry for Education and Research, Helmholtz Association

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.16 Å
• R-Value Free: 
  0.164 (Depositor), 0.166 (DCC) 
• R-Value Work: 
  0.140 (Depositor), 0.141 (DCC) 
• R-Value Observed: 
  0.141 (Depositor) 

Starting Model: experimental

Literature

Room temperature X-ray fragment screening with serial crystallography

Guenther, S., Meents, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content 

• Total Structure Weight: 33.04 kDa 
• Atom Count: 2,767 
• Modeled Residue Count: 274 
• Deposited Residue Count: 290 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FosA family fosfomycin resistance glutathione transferase	A, B	145	Klebsiella pneumoniae	Mutation(s): 0  Gene Names:  fosA, BANRA_04523, DM078_10090, DW286_28140, E1814_00065, EAO17_17205, GJJ08_023570, GNF00_20975, H3G96_004055, JMZ77_23230, SAMEA3499874_02877, SAMEA3649591_01987, SAMEA3720909_04483 EC: 2.5.1.18
UniProt
Find proteins for A0A086IRG1 (Klebsiella pneumoniae) Explore A0A086IRG1  Go to UniProtKB:  A0A086IRG1

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
UI4 (Subject of Investigation/LOI)	E [auth B]	4-pyridin-2-ylphenol C11 H9 N O VQHMPVXKDCHHSR-UHFFFAOYSA-N
DMS	F [auth B]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N
EDO	C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
MN	D [auth A], G [auth B]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.16 Å
• R-Value Free:  0.164 (Depositor), 0.166 (DCC) 
• R-Value Work:  0.140 (Depositor), 0.141 (DCC) 
• R-Value Observed: 0.141 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 68.115	α = 90
b = 90.139	β = 90
c = 44.833	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	phasing
autoPROC	data processing
Coot	model building
XDS	data reduction
Aimless	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-15 
Deposition Author(s): Guenther, S., Galchenkova, M., Fischer, P., Reinke, P.Y.A., Falke, S., Thekku Veedu, S., Rodrigues, A.C., Senst, J., Meents, A.

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Funding Organization	Location	Grant Number
German Federal Ministry for Education and Research	Germany	16GW0277
German Federal Ministry for Education and Research	Germany	13K22CHB
Helmholtz Association	Germany	FISCOV
Helmholtz Association	Germany	SFragX
Helmholtz Association	Germany	HIR3X

Revision History  

• Version 1.0: 2025-10-15
  Type: Initial release