2E54

Crystal structure of acetylornithine aminotransferase from Thermotoga maritima

• PDB DOI: https://doi.org/10.2210/pdb2E54/pdb

• Classification: TRANSFERASE
• Organism(s): Thermotoga maritima MSB8
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-12-19 Released: 2007-06-19 
• Deposition Author(s): Mizutani, H., Kunishima, N., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.213 
• R-Value Work: 0.196 
• R-Value Observed: 0.196 

Literature

Crystal structure of acetylornithine aminotransferase from Thermotoga maritima

Mizutani, H., Kunishima, N.

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)

Macromolecule Content

• Total Structure Weight: 43.35 kDa 
• Atom Count: 3,568 
• Modelled Residue Count: 385 
• Deposited Residue Count: 385 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acetylornithine aminotransferase	A	385	Thermotoga maritima MSB8	Mutation(s): 0  EC: 2.6.1.11
UniProt
Find proteins for Q9X2A5 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X2A5  Go to UniProtKB:  Q9X2A5

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLP	D [auth A]	PYRIDOXAL-5'-PHOSPHATE C8 H10 N O6 P NGVDGCNFYWLIFO-UHFFFAOYSA-N
EDO	E [auth A], F [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
NA	B [auth A], C [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.213 
• R-Value Work: 0.196 
• R-Value Observed: 0.196 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.222	α = 90
b = 115.697	β = 90
c = 52.448	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-06-19 
Deposition Author(s): Mizutani, H., Kunishima, N., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2007-06-19
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2023-10-25
  Changes: Data collection, Database references, Derived calculations, Refinement description