3A4A

Crystal structure of isomaltase from Saccharomyces cerevisiae


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.174
  • R-Value Work: 0.159

Literature

Macromolecules
Sequence Display for 3A4A

Classification: HYDROLASE

Total Structure Weight: 68897.57

Macromolecule Entities
Molecule Chains Length Organism Details
Oligo-1,6-glucosidase A 589 Saccharomyces cerevisiae EC#: 3.2.1.10 IUBMB
Gene Name(s): IMA1 YGR287C
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: 1.6 Å
  • R-Value Free: 0.174
  • R-Value Work: 0.159
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 95.43 α = 90.00
b = 115.40 β = 91.19
c = 61.61 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2009-07-01
  • Released Date: 2010-07-14
  • Deposition author(s): Yamamoto, K., Miyake, H., Kusunoki, M., Osaki, S.

Revision History

  • Version 1_0: 2010-07-14

    Type: Initial release

  • Version 1_1: 2011-07-13

    Type: Version format compliance