1JDD

MUTANT (E219Q) MALTOTETRAOSE-FORMING EXO-AMYLASE COCRYSTALLIZED WITH MALTOTETRAOSE (CRYSTAL TYPE 2)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Work: 0.191

Literature

Macromolecules
Sequence Display for 1JDD

Classification: HYDROLASE

Total Structure Weight: 48209.42

Macromolecule Entities
Molecule Chains Length Organism Details
1,4-ALPHA MALTOTETRAHYDROLASE A 429 Pseudomonas stutzeri EC#: 3.2.1.60 IUBMB
Mutation: E219Q, S334D
Details: CRYSTAL TYPE 2
Gene Name(s): amyP
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
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: 1.9 Å
  • R-Value Observed:
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 65.60 α = 90.00
b = 170.70 β = 90.00
c = 46.80 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-06-16
  • Released Date: 1997-10-15
  • Deposition author(s): Yoshioka, Y., Hasegawa, K., Matsuura, Y., Katsube, Y., Kubota, M.

Revision History

  • 2008-03-24
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance