2CIO

THE HIGH RESOLUTION X-RAY STRUCTURE OF PAPAIN COMPLEXED WITH FRAGMENTS OF THE TRYPANOSOMA BRUCEI CYSTEINE PROTEASE INHIBITOR ICP.

Structural Biology Knowledgebase: 2CIO SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.177

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2CIO

Classification: HYDROLASE / INHIBITOR

Total Structure Weight: 37310.12

Macromolecule Entities
Molecule Chains Length Organism Details
PAPAIN A 212 Carica papaya EC#: 3.4.22.2 IUBMB
Mutation: E47Q
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
INHIBITOR OF CYSTEINE PEPTIDASE B 121 Trypanosoma brucei Details: TWO PEPTIDE FRAGMENTS FROM DIGESTION OF ICP
Gene Name(s): ICP
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACT
Query on ACT

A 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 L-PEPTIDE LINKING C3 H7 N O5 S CYS

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.177
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 42.32 α = 90.00
b = 46.12 β = 90.00
c = 95.70 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-03-24
  • Released Date: 2006-05-18
  • Deposition author(s): Alphey, M.S., Hunter, W.N.

Revision History

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