2FLA

Structure of thereduced HiPIP from thermochromatium tepidum at 0.95 angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb2FLA/pdb

• Classification: ELECTRON TRANSPORT
• Organism(s): Thermochromatium tepidum
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2006-01-05 Released: 2006-12-05 
• Deposition Author(s): Hunsicker-Wang, L.M., Stout, C.D., Fee, J.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 0.95 Å
• R-Value Free: 0.140 
• R-Value Work: 0.121 
• R-Value Observed: 0.121 

Literature

Geometric factors determine, in part, the electronic state of the 4Fe-4S cluster of HiPIP: a geometric, crystallographic, and theoretical study.

Hunsicker-Wang, L.M., Han, W., Stout, C.D., Noodleman, L., Fee, J.A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 9.62 kDa 
• Atom Count: 775 
• Modelled Residue Count: 83 
• Deposited Residue Count: 83 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
High-potential iron-sulfur protein	A	83	Thermochromatium tepidum	Mutation(s): 0  Gene Names: hip
UniProt
Find proteins for P80176 (Thermochromatium tepidum) Explore P80176  Go to UniProtKB:  P80176

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SF4	E [auth A]	IRON/SULFUR CLUSTER Fe4 S4 LJBDFODJNLIPKO-UHFFFAOYSA-N
SO4	B [auth A], C [auth A], D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	F [auth A], G [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 0.95 Å
• R-Value Free: 0.140 
• R-Value Work: 0.121 
• R-Value Observed: 0.121 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 23.472	α = 90
b = 46.408	β = 90
c = 58.988	γ = 90

Software Package:

Software Name	Purpose
SCALA	data scaling
SHELX	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
MOLREP	phasing
SHELXL-97	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-12-05 
Deposition Author(s): Hunsicker-Wang, L.M., Stout, C.D., Fee, J.A.

Revision History  

• Version 1.0: 2006-12-05
  Type: Initial release
  
• Version 1.1: 2008-04-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2024-02-14
  Changes: Data collection, Database references, Derived calculations