2EJW

Homoserine Dehydrogenase from Thermus thermophilus HB8

• PDB DOI: https://doi.org/10.2210/pdb2EJW/pdb

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


• Deposited: 2007-03-21 Released: 2008-02-12 
• Deposition Author(s): Omi, R., Goto, M., Miyahara, I., Hirotsu, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.238 
• R-Value Work: 0.210 
• R-Value Observed: 0.210 

Literature

Crystal Structure of Homoserine Dehydrogenase from Thermus thermophilus HB8

Omi, R., Goto, M., Miyahara, I., Hirotsu, K.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 142.66 kDa 
• Atom Count: 10,940 
• Modelled Residue Count: 1,324 
• Deposited Residue Count: 1,328 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Homoserine dehydrogenase	A, B, C [auth E], D [auth F]	332	Thermus thermophilus HB8	Mutation(s): 0  EC: 1.1.1.3
UniProt
Find proteins for Q5SL04 (Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)) Explore Q5SL04  Go to UniProtKB:  Q5SL04

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	J [auth B], N [auth E]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
NO3	G [auth A], M [auth E], P [auth F]	NITRATE ION N O3 NHNBFGGVMKEFGY-UHFFFAOYSA-N
MG	E [auth A], F [auth A], H [auth B], I [auth B], K [auth E], L [auth E], O [auth F]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.238 
• R-Value Work: 0.210 
• R-Value Observed: 0.210 
• Space Group: C 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 165.439	α = 90
b = 173.603	β = 90
c = 97.123	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-02-12 
Deposition Author(s): Omi, R., Goto, M., Miyahara, I., Hirotsu, K.

Revision History  

• Version 1.0: 2008-02-12
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Derived calculations, Source and taxonomy, Version format compliance
• Version 1.2: 2024-03-13
  Changes: Data collection, Database references, Derived calculations