1WRV

Crystal Structure of T.th.HB8 Branched-Chain Amino Acid Aminotransferase

• PDB DOI: https://doi.org/10.2210/pdb1WRV/pdb

• Classification: TRANSFERASE
• Organism(s): Thermus thermophilus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2004-10-27 Released: 2005-10-18 
• Deposition Author(s): Goto, M., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.218 
• R-Value Work: 0.205 
• R-Value Observed: 0.205 

Literature

Crystal Structure of T.th.HB8 Branched-Chain Amino Acid Aminotransferase

Goto, M., Miyahara, I., Hirotsu, K.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 2 generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 generated by PQS (software)

Biological Assembly 4  

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

Biological assembly 4 generated by PQS (software)

Biological Assembly 5  

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

Biological assembly 5 generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 103.66 kDa 
• Atom Count: 7,387 
• Modelled Residue Count: 897 
• Deposited Residue Count: 924 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Branched-Chain Amino Acid Aminotransferase	A, B, C	308	Thermus thermophilus	Mutation(s): 0  Gene Names: HB8 EC: 2.6.1.42
UniProt
Find proteins for Q5SM19 (Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)) Explore Q5SM19  Go to UniProtKB:  Q5SM19

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLP	F [auth A], J [auth B], M [auth C]	PYRIDOXAL-5'-PHOSPHATE C8 H10 N O6 P NGVDGCNFYWLIFO-UHFFFAOYSA-N
MPD	G [auth A], H [auth A], K [auth B], L [auth B], N [auth C]	(4S)-2-METHYL-2,4-PENTANEDIOL C6 H14 O2 SVTBMSDMJJWYQN-YFKPBYRVSA-N
CL	D [auth A], E [auth A], I [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.218 
• R-Value Work: 0.205 
• R-Value Observed: 0.205 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 143.41	α = 90
b = 143.41	β = 90
c = 116.22	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
CCP4	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-10-18 
Deposition Author(s): Goto, M., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2005-10-18
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance