1AYU

CRYSTAL STRUCTURE OF CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT SYMMETRIC BISCARBOHYDRAZIDE INHIBITOR

Structural Biology Knowledgebase: 1AYU SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.318
  • R-Value Work: 0.208

Literature

Macromolecules
Sequence Display for 1AYU

Classification: HYDROLASE

Total Structure Weight: 24108.31

Macromolecule Entities
Molecule Chains Length Organism Details
CATHEPSIN K A 215 Homo sapiens EC#: 3.4.22.38 IUBMB
Details: INHIBITOR COVALENTLY BOUND TO ACTIVE SITE CYS 25
Gene Name(s): CTSK Gene View CTSO Gene View CTSO2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A 1,5-BIS(N-BENZYLOXYCARBONYL-L-LEUCINYL)CARBOHYDRAZIDE
C29 H40 N6 O7
HGDUWJVGIGLVOH-ZEQRLZLVSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
INA Ki: 0.7 nM (100) BindingDB

N/A in BindingMoad
Ki: 0.7 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.318
  • R-Value Work: 0.208
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 38.33 α = 90.00
b = 51.30 β = 90.00
c = 103.86 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-11-10
  • Released Date: 1998-11-25
  • Deposition author(s): Zhao, B., Smith, W.W., Janson, C.A., Abdel-Meguid, S.S.

Revision History

  • 2012-02-29
    Type: Citation | Details: Citation update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4