1A0J

CRYSTAL STRUCTURE OF A NON-PSYCHROPHILIC TRYPSIN FROM A COLD-ADAPTED FISH SPECIES.

Structural Biology Knowledgebase: 1A0J SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.215
  • R-Value Work: 0.173

Literature

Macromolecules
Sequence Display for 1A0J

Classification: SERINE PROTEASE

Total Structure Weight: 96696.33

Macromolecule Entities
Molecule Chains Length Organism Details
TRYPSIN A, B, C, D 223 Salmo salar EC#: 3.4.21.4 IUBMB
Details: BENZAMIDINE INHIBITOR IN THE ACTIVE SITE. THE AMINO ACID NUMBERING SCHEME USED IS ADOPTED FROM CHYMOTRYPSINOGEN.
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B, C, D BENZAMIDINE
C7 H8 N2
PXXJHWLDUBFPOL-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B, C, D SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
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: 1.7 Å
  • R-Value Free: 0.215
  • R-Value Work: 0.173
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 65.91 α = 90.00
b = 83.11 β = 90.00
c = 154.79 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-12-01
  • Released Date: 1999-01-13
  • Deposition author(s): Schroeder, H.-K., Willassen, N.P., Smalaas, A.O.

Revision History

  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4