1G94

CRYSTAL STRUCTURE ANALYSIS OF THE TERNARY COMPLEX BETWEEN PSYCHROPHILIC ALPHA AMYLASE FROM PSEUDOALTEROMONAS HALOPLANCTIS IN COMPLEX WITH A HEPTA-SACCHARIDE AND A TRIS MOLECULE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.74 Å
  • R-Value Free: 0.187
  • R-Value Work: 0.156

Literature

Macromolecules
Sequence Display for 1G94

Classification: HYDROLASE

Total Structure Weight: 50316.12

Macromolecule Entities
Molecule Chains Length Organism Details
ALPHA-AMYLASE A 448 Pseudoalteromonas haloplanktis EC#: 3.2.1.1 IUBMB
Gene Name(s): amy
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
DAF
Query on DAF

A 4,6-dideoxy-4-{[(1S,5R,6S)-3-formyl-5,6-dihydroxy- 4-oxocyclohex-2-en-1-yl]amino}-alpha-D-xylo- hex-5-enopyranose
C13 H17 N O8
ZGWNRGISVMYHTF-KKXLKBQTSA-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)
TRS
Query on TRS

A 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
TRIS BUFFER (Synonym)
C4 H12 N O3
LENZDBCJOHFCAS-UHFFFAOYSA-O
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)
CL
Query on CL

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.74 Å
  • R-Value Free: 0.187
  • R-Value Work: 0.156
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 71.01 α = 90.00
b = 139.96 β = 90.00
c = 115.89 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-11-22
  • Released Date: 2001-12-12
  • Deposition author(s): Aghajari, N., Roth, M., Haser, R.

Revision History

  • 2008-04-27
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance