1CSB

Crystal structure of cathepsin b inhibited with CA030 at 2.1 angstroms resolution: A basis for the design of specific epoxysuccinyl inhibitors

Structural Biology Knowledgebase: 1CSB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.194

Literature

Macromolecules
Sequence Display for 1CSB

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 56048.66

Macromolecule Entities
Molecule Chains Length Organism Details
CATHEPSIN B light chain A, D 47 Homo sapiens EC#: 3.4.22.1 IUBMB
Gene Name(s): CTSB Gene View CPSB
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
CATHEPSIN B heavy chain B, E 205 Homo sapiens EC#: 3.4.22.1 IUBMB
Gene Name(s): CTSB Gene View CPSB

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
EP0
Query on EP0

A, E N-[(3R)-4-ethoxy-3-hydroxy-4-oxobutanoyl]- L-isoleucyl-L-proline
epoxy succinyl inhibitor (Synonym)
C17 H28 N2 O7
XMBVSOIOHZNPHI-FMSGJZPZSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Biologically Interesting Molecules 1 Unique
ID Chains Name Type/Class 2D Diagram 3D Interactions
PRD_000310
Query on PRD_000310
A, E CA030, ethyl ester of epoxysuccinyl-Ile-Pro-OH Peptide-like /
Inhibitor
Ligand Explorer

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.194
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 86.51 α = 90.00
b = 34.15 β = 103.10
c = 85.53 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-12-09
  • Released Date: 1996-04-03
  • Deposition author(s): Turk, D., Bode, W.

Revision History

  • 2012-12-12
    Type: Other | Details: Add PRD info
  • 2011-08-31
    Type: Non-polymer description | Details: --
  • 2011-07-13
    Type: Linkage | Details: Linkage
  • 2011-07-13
    Type: Sequence database correspondence | Details: Sequence database correspondence
  • 2011-07-13
    Type: Polymer description | Details: Changed inhibitor presentation or chemistry
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Atom nomenclature | Details: Atom nomenclature
  • 2011-07-13
    Type: Binding sites and description | Details: Binding sites and description
  • 2011-07-13
    Type: Non-polymer description | Details: Non-polymer description
  • 2011-07-13
    Type: Function and keywords | Details: Function and keywords