1TZ7

Aquifex aeolicus amylomaltase

• PDB DOI: https://doi.org/10.2210/pdb1TZ7/pdb

• Classification: TRANSFERASE
• Organism(s): Aquifex aeolicus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2004-07-09 Released: 2005-08-02 
• Deposition Author(s): Barends, T.R.M., Korf, H., Kaper, T., van der Maarel, M.J.E.C., Dijkhuizen, L., Dijkstra, B.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.243 
• R-Value Work: 0.215 
• R-Value Observed: 0.216 

Starting Model: other

Literature

Structural influences on product specificity in amylomaltase from Aquifex aeolicus

Barends, T.R.M., Korf, H., Kaper, T., van der Maarel, M.J.E.C., Dijkhuizen, L., Dijkstra, B.W.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

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

Biological Assembly 3  

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

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 120.75 kDa 
• Atom Count: 8,508 
• Modelled Residue Count: 975 
• Deposited Residue Count: 1,010 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
4-alpha-glucanotransferase	A, B	505	Aquifex aeolicus	Mutation(s): 0  EC: 2.4.1.25
UniProt
Find proteins for O66937 (Aquifex aeolicus (strain VF5)) Explore O66937  Go to UniProtKB:  O66937

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MPD	C [auth A]	(4S)-2-METHYL-2,4-PENTANEDIOL C6 H14 O2 SVTBMSDMJJWYQN-YFKPBYRVSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.243 
• R-Value Work: 0.215 
• R-Value Observed: 0.216 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 156.745	α = 90
b = 156.745	β = 90
c = 169.161	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-08-02 
Deposition Author(s): Barends, T.R.M., Korf, H., Kaper, T., van der Maarel, M.J.E.C., Dijkhuizen, L., Dijkstra, B.W.

Revision History  

• Version 1.0: 2005-08-02
  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
• Version 1.3: 2024-03-13
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2024-04-03
  Changes: Refinement description