3IMA

Complex strcuture of tarocystatin and papain

Structural Biology Knowledgebase: 3IMA SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.03 Å
  • R-Value Free: 0.233
  • R-Value Work: 0.182

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 3IMA

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 67573.76

Macromolecule Entities
Molecule Chains Length Organism Details
Papain A, C 212 Carica papaya EC#: 3.4.22.2 IUBMB
Fragment: Papain domain
Gene Name(s):
Cysteine proteinase inhibitor B, D 91 Colocasia esculenta Fragment: N-terminal domain, UNP residues 2-92
Gene Name(s): CPI

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

A, C ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
OCS
Query on OCS
A, C L-PEPTIDE LINKING C3 H7 N O5 S CYS

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.03 Å
  • R-Value Free: 0.233
  • R-Value Work: 0.182
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 36.06 α = 90.00
b = 99.72 β = 90.00
c = 165.59 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2009-08-10
  • Released Date: 2010-02-16
  • Deposition author(s): Chu, M.H., Liu, K.L., Yeh, K.W., Cheng, Y.S.

Revision History

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