8K7N

Structure of ferric-binding protein KfuA

• PDB DOI: https://doi.org/10.2210/pdb8K7N/pdb

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


• Deposited: 2023-07-26 Released: 2024-07-31 
• Deposition Author(s): Zhao, Q., Bartlam, M.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.199 
• R-Value Work: 0.158 
• R-Value Observed: 0.163 

Starting Model: experimental

Literature

Structure of Klebsiella pneumoniae ferric-binding protein KfuA

Zhao, Q., Bartlam, M.

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: equilibrium centrifugation

Macromolecule Content

• Total Structure Weight: 36.64 kDa 
• Atom Count: 2,635 
• Modelled Residue Count: 307 
• Deposited Residue Count: 338 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferric iron ABC transporter, iron-binding protein	A	338	Klebsiella pneumoniae	Mutation(s): 0  Gene Names: fbpA, CWN47_21360, IAP99_17305, NCTC9178_03966
UniProt
Find proteins for A0A288TNX3 (Klebsiella variicola) Explore A0A288TNX3  Go to UniProtKB:  A0A288TNX3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FE (Subject of Investigation/LOI)	B [auth A]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.199 
• R-Value Work: 0.158 
• R-Value Observed: 0.163 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.275	α = 90
b = 52.278	β = 94.43
c = 56.392	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-07-31 
Deposition Author(s): Zhao, Q., Bartlam, M.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31870053

Revision History  

• Version 1.0: 2024-07-31
  Type: Initial release