1IAC

REFINED 1.8 ANGSTROMS X-RAY CRYSTAL STRUCTURE OF ASTACIN, A ZINC-ENDOPEPTIDASE FROM THE CRAYFISH ASTACUS ASTACUS L. STRUCTURE DETERMINATION, REFINEMENT, MOLECULAR STRUCTURE AND COMPARISON WITH THERMOLYSIN

Structural Biology Knowledgebase: 1IAC SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Observed: 0.160

Literature

Macromolecules
Sequence Display for 1IAC

Classification: ZINC ENDOPEPTIDASE

Total Structure Weight: 22818.71

Macromolecule Entities
Molecule Chains Length Organism Details
ASTACIN A 200 Astacus astacus EC#: 3.4.24.21 IUBMB
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HG
Query on HG

A MERCURY (II) ION
Hg
BQPIGGFYSBELGY-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: 0.160
  • Space Group: P 31 2 1

Unit Cell:

Length (Å) Angle (°)
a = 61.92 α = 90.00
b = 61.92 β = 90.00
c = 98.57 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-05-09
  • Released Date: 1994-08-31
  • Deposition author(s): Gomis-Rueth, F.-X., Stoecker, W., Bode, W.

Revision History

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