1PSA

STRUCTURE OF A PEPSIN(SLASH)RENIN INHIBITOR COMPLEX REVEALS A NOVEL CRYSTAL PACKING INDUCED BY MINOR CHEMICAL ALTERATIONS IN THE INHIBITOR


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Work: 0.139

Literature

Macromolecules
Sequence Display for 1PSA

Classification: HYDROLASE / hydrolase inhibitor

Total Structure Weight: 70110.54

Macromolecule Entities
Molecule Chains Length Organism Details
PEPSIN A A, B 326 Sus scrofa EC#: 3.4.23.1 IUBMB
Mutation: ΔI289
Gene Name(s): PGA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
0ZL
Query on 0ZL

A, B N-(ethoxycarbonyl)-L-leucyl-N-[(1R,2S,3S)- 1-(cyclohexylmethyl)-2,3-dihydroxy-5-methylhexyl]- L-leucinamide
C29 H55 N3 O6
OAFXIYWBKGSXMT-WBAQKLHDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.9 Å
  • R-Value Observed:
  • Space Group: P 1 1 21

Unit Cell:

Length (Å) Angle (°)
a = 54.10 α = 90.00
b = 74.40 β = 90.00
c = 76.50 γ = 100.80

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1991-10-22
  • Released Date: 1994-01-31
  • Deposition author(s): Chen, L., Abad-Zapatero, C.

Revision History

  • 2008-03-24
    Type: Version format compliance
  • 2011-07-13
    Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance
  • 2012-12-12
    Type: Other