1QRP Hydrolase Hydrolase Inhibitor date Jun 15, 1999
title Human Pepsin 3a In Complex With A Phosphonate Inhibitor Iva- Leu(P)-(O)Phe-Ala-Ala-Ome
authors M.Fujinaga, M.M.Cherney, N.I.Tarasova, P.A.Bartlett, J.E.Hanson, M.N.G.James
compound source
Molecule: Pepsin 3a
Chain: E
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: P 21 21 21
R_factor 0.200 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
71.900 151.270 40.790 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.96 Å
ligand HH0 enzyme
related structures by homologous chain: 1PSO, 4PEP

Primary referenceStructural study of the complex between human pepsin and a phosphorus-containing peptidic -transition-state analog., Fujinaga M, Cherney MM, Tarasova NI, Bartlett PA, Hanson JE, James MN, Acta Crystallogr D Biol Crystallogr 2000 Mar;56 ( Pt 3):272-9. PMID:10713513
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk]
  • Biological Unit Coordinates (1qrp.pdb1.gz) 54 Kb
  • LPC: Ligand-Protein Contacts for 1QRP
  • CSU: Contacts of Structural Units for 1QRP
  • Likely Quarternary Molecular Structure file(s) for 1QRP
  • Structure Factors (232 Kb)
  • Retrieve 1QRP in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QRP from S2C, [Save to disk]
  • Re-refined 1qrp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1QRP 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 1QRP
  • 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 1QRP, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qrpe_, region E [Jmol] [rasmolscript] [script source]
  • Fold representative 1qrp 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: [1qrp] [1qrp_E] [1qrp_I]
  • SWISS-PROT database: [P00790]
  • Domain organization of [PEPA_HUMAN] by SWISSPFAM
  • Other resources with information on 1QRP
  • Community annotation for 1QRP 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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