1J18

Crystal Structure of a Beta-Amylase from Bacillus cereus var. mycoides Cocrystallized with Maltose

Structural Biology Knowledgebase: 1J18 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.221
  • R-Value Work: 0.181

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1J18

Classification: Hydrolase

Total Structure Weight: 59924.57

Macromolecule Entities
Molecule Chains Length Organism Details
Beta-amylase A 516 Bacillus cereus EC#: 3.2.1.2 IUBMB
Gene Name(s): spoII
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 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
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BGC
Query on BGC

A BETA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-VFUOTHLCSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACY
Query on ACY

A ACETIC ACID
C2 H4 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

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

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.221
  • R-Value Work: 0.181
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 56.81 α = 90.00
b = 89.33 β = 102.32
c = 65.39 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-12-02
  • Released Date: 2003-05-27
  • Deposition author(s): Miyake, H., Kurisu, G., Kusunoki, M., Nishimura, S., Kitamura, S., Nitta, Y.

Revision History

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