1CXF

COMPLEX OF A (D229N/E257Q) DOUBLE MUTANT CGTASE FROM BACILLUS CIRCULANS STRAIN 251 WITH MALTOTETRAOSE AT 120 K AND PH 9.1 OBTAINED AFTER SOAKING THE CRYSTAL WITH ALPHA-CYCLODEXTRIN

Structural Biology Knowledgebase: 1CXF SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Observed: 0.190

Literature

Macromolecules
Sequence Display for 1CXF

Classification: GLYCOSYLTRANSFERASE

Total Structure Weight: 77608.94

Macromolecule Entities
Molecule Chains Length Organism Details
CYCLODEXTRIN GLYCOSYLTRANSFERASE A 686 Bacillus circulans EC#: 2.4.1.19 IUBMB
Mutation: D229N, E257Q
Gene Name(s): cgt
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
ACX
Query on ACX

A ALPHA-CYCLODEXTRIN (CYCLOHEXA-AMYLOSE)
C36 H60 O30
HFHDHCJBZVLPGP-RWMJIURBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MAL
Query on MAL

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

A ALPHA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-DVKNGEFBSA-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: 2.1 Å
  • R-Value Observed: 0.190
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 116.84 α = 90.00
b = 110.00 β = 90.00
c = 67.42 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-07-28
  • Released Date: 1995-12-15
  • Deposition author(s): Knegtel, R.M.A., Strokopytov, B.V., Dijkstra, B.W.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4