1PSO

The crystal structure of human pepsin and its complex with pepstatin


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Work: 0.185

Literature

Macromolecules
Sequence Display for 1PSO

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 35317.78

Macromolecule Entities
Molecule Chains Length Organism Details
PEPSIN 3A E 326 Homo sapiens EC#: 3.4.23.1 IUBMB
Gene Name(s): PGA4 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
PEPSTATIN I 6 Streptomyces argenteolus

Small Molecules
Biologically Interesting Molecules 1 Unique
ID Chains Name Type/Class 2D Diagram 3D Interactions
PRD_000557
Query on PRD_000557
I Pepstatin Oligopeptide /
Enzyme inhibitor
Ligand Explorer Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

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

Unit Cell:

Length (Å) Angle (°)
a = 72.07 α = 90.00
b = 150.97 β = 90.00
c = 40.85 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-01-23
  • Released Date: 1995-04-20
  • Deposition author(s): Fujinaga, M., Chernaia, M.M., Tarasova, N., Mosimann, S.C., James, M.N.G.

Revision History

  • Version 1_0: 1995-04-20

    Type: Initial release

  • Version 1_1: 2008-03-24

    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: 2013-02-27

    Type: Other