1CGX

SITE DIRECTED MUTATIONS OF THE ACTIVE SITE RESIDUE TYROSINE 195 OF CYCLODEXTRIN GLYXOSYLTRANSFERASE FROM BACILLUS CIRCULANS STRAIN 251 AFFECTING ACTIVITY AND PRODUCT SPECIFICITY


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.153

Literature

Macromolecules
Sequence Display for 1CGX

Classification: GLYCOSYLTRANSFERASE

Total Structure Weight: 75632.52

Macromolecule Entities
Molecule Chains Length Organism Details
CYCLOMALTODEXTRIN GLUCANOTRANSFERASE A 686 Bacillus circulans EC#: 2.4.1.19 IUBMB
Mutation: Y195L
Gene Name(s): cgt
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
MAL
Query on MAL

A MALTOSE
C12 H22 O11
GUBGYTABKSRVRQ-ASMJPISFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.153
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 120.33 α = 90.00
b = 110.85 β = 90.00
c = 66.46 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-08-05
  • Released Date: 1995-02-07
  • Deposition author(s): Strokopytov, B.V., Dijkstra, B.W.

Revision History

  • Version 1_0: 1995-02-07

    Type: Initial release

  • Version 1_1: 2008-03-03

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance