1PSO Hydrolase Hydrolase Inhibitor date Jan 23, 1995
title The Crystal Structure Of Human Pepsin And Its Complex With P
authors M.Fujinaga, M.M.Chernaia, N.Tarasova, S.C.Mosimann, M.N.G.James
compound source
Molecule: Pepsin 3a
Chain: E
Ec: 3.4.23.1
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606

Molecule: Pepstatin
Chain: I
Engineered: Yes

symmetry Space Group: P 21 21 21
R_factor 0.185 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
72.068 150.972 40.854 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand IVA, STA enzyme Hydrolase E.C.3.4.23.1 BRENDA
related structures by homologous chain: 1PSN, 1QRP
Gene
Ontology
ChainFunctionProcessComponent
E


Primary referenceCrystal structure of human pepsin and its complex with pepstatin., Fujinaga M, Chernaia MM, Tarasova NI, Mosimann SC, James MN, Protein Sci 1995 May;4(5):960-72. PMID:7663352
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk]
  • Biological Unit Coordinates (1pso.pdb1.gz) 50 Kb
  • LPC: Ligand-Protein Contacts for 1PSO
  • CSU: Contacts of Structural Units for 1PSO
  • Likely Quarternary Molecular Structure file(s) for 1PSO
  • Structure Factors (230 Kb)
  • Retrieve 1PSO in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1PSO from S2C, [Save to disk]
  • Re-refined 1pso structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1PSO in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1PSO
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1PSO, from MSDmotif at EBI
  • Genome occurence of 1PSO's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1psoe_, region E [Jmol] [rasmolscript] [script source]
  • Fold representative 1pso from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1pso_I] [1pso] [1pso_E]
  • SWISS-PROT database: [P00790]
  • Domain organization of [PEPA_HUMAN] by SWISSPFAM
  • Other resources with information on 1PSO
  • Community annotation for 1PSO at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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