1CPI

REGIOSELECTIVE STRUCTURAL AND FUNCTIONAL MIMICRY OF PEPTIDES. DESIGN OF HYDROLYTICALLY STABLE CYCLIC PEPTIDOMIMETIC INHIBITORS OF HIV-1 PROTEASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.237
  • R-Value Work: 0.163

Literature

Macromolecules
Sequence Display for 1CPI

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 22585.19

Macromolecule Entities
Molecule Chains Length Organism Details
HIV-1 PROTEASE A, B 99 Human immunodeficiency virus 1 Mutation: C67X, C95X
Gene Name(s): gag-pol
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
CYCLIC PEPTIDE INHIBITOR C 6 synthetic

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
ABA
Query on ABA
A, B L-PEPTIDE LINKING C4 H9 N O2 ALA

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.237
  • R-Value Work: 0.163
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 51.30 α = 90.00
b = 58.80 β = 90.00
c = 62.30 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-10-16
  • Released Date: 1996-03-08
  • Deposition author(s): Martin, J.L.

Revision History

  • Version 1_0: 1996-03-08

    Type: Initial release

  • Version 1_1: 2008-05-22

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance

  • Version 1_3: 2012-12-12

    Type: Other