1KXR

Crystal Structure of Calcium-Bound Protease Core of Calpain I

Structural Biology Knowledgebase: 1KXR SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.07 Å
  • R-Value Free: 0.256
  • R-Value Work: 0.213

Literature

Macromolecules
Sequence Display for 1KXR

Classification: HYDROLASE

Total Structure Weight: 77738.00

Macromolecule Entities
Molecule Chains Length Organism Details
thiol protease DOMAINS I AND II A, B 339 Rattus norvegicus EC#: 3.4.22.52 IUBMB
Fragment: RESIDUES 27-356
Mutation: C115S
Gene Name(s): Capn1 Cls1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B 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: 2.07 Å
  • R-Value Free: 0.256
  • R-Value Work: 0.213
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 149.44 α = 90.00
b = 40.49 β = 105.96
c = 132.33 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-02-01
  • Released Date: 2002-03-20
  • Deposition author(s): Moldoveanu, T., Hosfield, C.M., Lim, D., Elce, J.S., Jia, Z., Davies, P.L.

Revision History

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