Biological Assembly 1  

Global Symmetry: Dihedral - D2  (3D View)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content

• Total Structure Weight: 101.62 kDa 
• Atom Count: 7,058 
• Modelled Residue Count: 862 
• Deposited Residue Count: 884 
• Unique protein chains: 1

 2GM8

TenA Homolog/Thi-4 Thiaminase complexed with product 4-amino-5-hydroxymethyl-2-methylpyrimidine

• PDB DOI: 10.2210/pdb2GM8/pdb

• Classification: TRANSFERASE
• Organism(s): Pyrobaculum aerophilum str. IM2
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-04-06 Released: 2006-04-18 
• Deposition Author(s): Sawaya, M.R., Chan, S., Han, G.W., Perry, L.J., Pashkov, I.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.237 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 

Literature

Crystal Structure of a TenA Homolog/Thi-4 Thiaminase from Pyrobaculum Aerophilum

Sawaya, M.R., Chan, S., Han, G.W., Pashkov, I., Perry, L.J., Yeates, T.O.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
tenA homolog/Thi-4 Thiaminase	A, B, C, D	221	Pyrobaculum aerophilum str. IM2	Mutation(s): 0  Gene Names: tenA/thi4 (pag5_170), PAE0170 EC: 2.5.1.2
UniProt
Find proteins for Q8ZZM9 (Pyrobaculum aerophilum (strain ATCC 51768 / DSM 7523 / JCM 9630 / CIP 104966 / NBRC 100827 / IM2)) Explore Q8ZZM9  Go to UniProtKB:  Q8ZZM9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HMH	E [auth A], G [auth B], H [auth C], I [auth D]	4-AMINO-5-HYDROXYMETHYL-2-METHYLPYRIMIDINE C6 H9 N3 O VUTBELPREDJDDH-UHFFFAOYSA-N
EDO	F [auth A], J [auth D]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.237 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.647	α = 90
b = 94.287	β = 113.65
c = 73.198	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-04-18 
Deposition Author(s): Sawaya, M.R., Chan, S., Han, G.W., Perry, L.J., Pashkov, I.

Revision History  

• Version 1.0: 2006-04-18
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description