4KRA

Salmonella typhi OmpF complex with Ciprofloxacin

• PDB DOI: https://doi.org/10.2210/pdb4KRA/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Salmonella enterica subsp. enterica serovar Typhi
• Expression System: Escherichia coli
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2013-05-16 Released: 2014-05-28 
• Deposition Author(s): Madhuranayaki, T., Balasubramaniam, D., Krishnaswamy, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.32 Å
• R-Value Free: 0.339 
• R-Value Work: 0.272 
• R-Value Observed: 0.275 

Starting Model: experimental

Literature

Salmonella typhi OmpF complex with Ciprofloxacin

Madhuranayaki, T., Balasubramaniam, D., Krishnaswamy, S.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content

• Total Structure Weight: 114 kDa 
• Atom Count: 7,690 
• Modelled Residue Count: 1,018 
• Deposited Residue Count: 1,023 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein F	A, B, C	341	Salmonella enterica subsp. enterica serovar Typhi	Mutation(s): 0  Gene Names: ompF Membrane Entity: Yes
UniProt
Find proteins for P37432 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore P37432  Go to UniProtKB:  P37432

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CPF	D [auth C]	1-CYCLOPROPYL-6-FLUORO-4-OXO-7-PIPERAZIN-1-YL-1,4-DIHYDROQUINOLINE-3-CARBOXYLIC ACID C17 H18 F N3 O3 MYSWGUAQZAJSOK-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.32 Å
• R-Value Free: 0.339 
• R-Value Work: 0.272 
• R-Value Observed: 0.275 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.16	α = 90
b = 139.11	β = 90
c = 151.15	γ = 90

Software Package:

Software Name	Purpose
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-05-28 
Deposition Author(s): Madhuranayaki, T., Balasubramaniam, D., Krishnaswamy, S.

Revision History  

• Version 1.0: 2014-05-28
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description