4ELP | pdb_00004elp

Ferric binding protein in apo form 2

• PDB DOI: https://doi.org/10.2210/pdb4ELP/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: 2.07 Å
• R-Value Free: 
  0.260 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.199 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.202 (Depositor) 

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.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 148.33 kDa 
• Atom Count: 9,950 
• Modeled Residue Count: 1,232 
• Deposited Residue Count: 1,344 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Iron ABC transporter, periplasmic iron-binding protein	A, B, C, D	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 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CO3	E [auth A], F [auth B], G [auth C], H [auth D]	CARBONATE ION C O3 BVKZGUZCCUSVTD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free:  0.260 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.199 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.202 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.3	α = 90
b = 139.227	β = 90
c = 218.993	γ = 90

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