1PSO

The crystal structure of human pepsin and its complex with pepstatin

Structural Biology Knowledgebase: 1PSO SBKB.org


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: 35318.05

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
  • Electron Density Server: EDS EDS

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

  • 2013-02-27
    Type: Other | Details: Add PRD info
  • 2011-07-13
    Type: Atom nomenclature | Details: Atom nomenclature
  • 2011-07-13
    Type: Binding sites and description | Details: Binding sites and description
  • 2011-07-13
    Type: Non-polymer description | Details: Non-polymer description
  • 2011-07-13
    Type: Function and keywords | Details: Function and keywords
  • 2011-07-13
    Type: Linkage | Details: Linkage
  • 2011-07-13
    Type: Sequence database correspondence | Details: Sequence database correspondence
  • 2011-07-13
    Type: Polymer description | Details: Changed inhibitor presentation or chemistry
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4