1FP8

STRUCTURE OF THE AMYLOMALTASE FROM THERMUS THERMOPHILUS HB8 IN SPACE GROUP P21212

• PDB DOI:  https://doi.org/10.2210/pdb1FP8/pdb

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


• Deposited: 2000-08-31 Released: 2003-09-02 
• Deposition Author(s): Uitdehaag, J.C.M., Euverink, G.J., van der Veen, B.A., van der Maarel, M., Dijkstra, B.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.232 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 

Literature

Structure and mechanism of the amylomaltase from Thermus thermophilus HB8

Uitdehaag, J.C.M., Euverink, G.J., van der Veen, B.A., van der Maarel, M., Dijkstra, B.W.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 57.5 kDa 
• Atom Count: 4,334 
• Modelled Residue Count: 500 
• Deposited Residue Count: 500 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
4-ALPHA-GLUCANOTRANSFERASE	A	500	Thermus thermophilus	Mutation(s): 0  Gene Names: malQ EC: 2.4.1.25
UniProt
Find proteins for O87172 (Thermus thermophilus) Explore O87172  Go to UniProtKB:  O87172

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HG	B [auth A]	MERCURY (II) ION Hg BQPIGGFYSBELGY-UHFFFAOYSA-N
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.232 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 115.234	α = 90
b = 93.67	β = 90
c = 53.463	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
SHARP	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-09-02 
Deposition Author(s): Uitdehaag, J.C.M., Euverink, G.J., van der Veen, B.A., van der Maarel, M., Dijkstra, B.W.

Revision History  

• Version 1.0: 2003-09-02
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description