4ELR

Ferric binding protein with iron and carbonate

• PDB DOI: https://doi.org/10.2210/pdb4ELR/pdb

• Classification: METAL TRANSPORT
• Organism(s): Thermus thermophilus HB8
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-04-11 Released: 2013-04-17 
• Deposition Author(s): Wang, Q., Liu, X.Q., Wang, X.Q.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.218 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 

Literature

Crystal structure of ferric binding protein A

Wang, Q., Liu, X.Q., Wang, X.Q.

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 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 74.28 kDa 
• Atom Count: 5,054 
• Modelled Residue Count: 620 
• Deposited Residue Count: 672 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Iron ABC transporter, periplasmic iron-binding protein	A, B	336	Thermus thermophilus HB8	Mutation(s): 0  Gene Names: TTHA1628
UniProt
Find proteins for Q5SHV2 (Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)) Explore Q5SHV2  Go to UniProtKB:  Q5SHV2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CO3	D [auth A], F [auth B]	CARBONATE ION C O3 BVKZGUZCCUSVTD-UHFFFAOYSA-L
FE	C [auth A], E [auth B]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.218 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.602	α = 90
b = 63.602	β = 90
c = 266.701	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-04-17 
Deposition Author(s): Wang, Q., Liu, X.Q., Wang, X.Q.

Revision History  

• Version 1.0: 2013-04-17
  Type: Initial release
  
• Version 1.1: 2024-03-20
  Changes: Data collection, Database references, Derived calculations, Refinement description