2PTC Complex (Proteinase Inhibitor) date Sep 27, 1982
title The Geometry Of The Reactive Site And Of The Peptide Groups In Trypsin, Trypsinogen And Its Complexes With Inhibitors
authors R.Huber, J.Deisenhofer
compound source
Molecule: Beta-Trypsin
Chain: E
Engineered: Yes
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Organ: Pancreas

Molecule: Trypsin Inhibitor
Chain: I
Engineered: Yes

symmetry Space Group: I 2 2 2
R_factor 0.187 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
75.500 84.400 122.900 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand CA enzyme Hydrolase E.C. BRENDA
note 2PTC (Molecule of the Month:pdb46)supersedes 1PTC
related structures by homologous chain: 1MTS, 1TPA, 3TPI

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk]
  • Biological Unit Coordinates (2ptc.pdb1.gz) 44 Kb
  • Biological Unit Coordinates (2ptc.pdb2.gz) 169 Kb
  • LPC: Ligand-Protein Contacts for 2PTC
  • CSU: Contacts of Structural Units for 2PTC
  • Likely Quarternary Molecular Structure file(s) for 2PTC
  • Structure Factors (250 Kb)
  • Retrieve 2PTC in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2PTC from S2C, [Save to disk]
  • Re-refined 2ptc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2PTC 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 2PTC
  • 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 2PTC, from MSDmotif at EBI
  • Genome occurence of 2PTC's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2ptce_, region E [Jmol] [rasmolscript] [script source]
        - Domain d2ptci_, region I [Jmol] [rasmolscript] [script source]
  • Fold representative 2ptc 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: [2ptc_I] [2ptc_E] [2ptc]
  • SWISS-PROT database: [P00974] [P00760]
  • Domain organization of [BPT1_BOVIN] [TRY1_BOVIN] by SWISSPFAM
  • Domains found in 2PTC: [KU] [Tryp_SPc ] by SMART
  • Other resources with information on 2PTC
  • Community annotation for 2PTC 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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