1CYG | pdb_00001cyg

CYCLODEXTRIN GLUCANOTRANSFERASE (E.C.2.4.1.19) (CGTASE)

• PDB DOI: https://doi.org/10.2210/pdb1CYG/pdb

• Classification: GLYCOSYLTRANSFERASE
• Organism(s): Geobacillus stearothermophilus
• Mutation(s): No 


• Deposited: 1993-02-03 Released: 1995-02-27 
• Deposition Author(s): Kubota, M., Matsuura, Y., Sakai, S., Katsube, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Work: 
  0.190 (DCC) 
• R-Value Observed: 
  0.154 (Depositor) 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 75.52 kDa 
• Atom Count: 5,551 
• Modelled Residue Count: 680 
• Deposited Residue Count: 680 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CYCLODEXTRIN GLUCANOTRANSFERASE	A	680	Geobacillus stearothermophilus	Mutation(s): 0  EC: 2.4.1.19
UniProt
Find proteins for P31797 (Geobacillus stearothermophilus) Explore P31797  Go to UniProtKB:  P31797

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	B [auth A], C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Work:  0.190 (DCC) 
• R-Value Observed: 0.154 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 121.5	α = 90
b = 88	β = 90
c = 78.9	γ = 90

Software Package:

Software Name	Purpose
PROFFT	refinement
PROLSQ	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1995-02-27 
Deposition Author(s): Kubota, M., Matsuura, Y., Sakai, S., Katsube, Y.

Revision History  

• Version 1.0: 1995-02-27
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-06-05
  Changes: Data collection, Database references, Derived calculations, Other