2QYI Hydrolase Hydrolase Inhibitor date Aug 15, 2007
title Crystal Structure Of A Binary Complex Between An Engineered Inhibitor And Bovine Trypsin
authors S.Khamrui, J.Dasgupta, J.K.Dattagupta, U.Sen
compound source
Molecule: Cationic Trypsin
Chain: A, C
Synonym: Beta-Trypsin
Engineered: Yes
 Organism_scientific: Bos Taurus
Organism_common: Bovine
Organism_taxid: 9913
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21
Expression_system_vector_type: Pet28a+

Molecule: Chymotrypsin Inhibitor 3
Chain: B, D
Synonym: Wci-3
Engineered: Yes
Mutation: Yes
Organism_scientific: Psophocarpus Tetragonolobus
Organism_common: Goa Bean
Organism_taxid: 3891
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: C 1 2 1
R_factor 0.208 R_Free 0.268
crystal
cell
length a length b length c angle alpha angle beta angle gamma
143.694 77.437 72.907 90.00 103.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand CA, NI enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, C


D, B
  • endopeptidase inhibitor acti...
  • serine-type endopeptidase in...


    • Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (133 Kb) [Save to disk]
  • Biological Unit Coordinates (2qyi.pdb1.gz) 125 Kb
  • LPC: Ligand-Protein Contacts for 2QYI
  • CSU: Contacts of Structural Units for 2QYI
  • Likely Quarternary Molecular Structure file(s) for 2QYI
  • Retrieve 2QYI in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2QYI from S2C, [Save to disk]
    • View 2QYI 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 2QYI
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2QYI, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2qyi] [2qyi_C] [2qyi_D] [2qyi_B] [2qyi_A]
  • SWISS-PROT database: [P10822] [P00760]
  • Domain organization of [ICW3_PSOTE] [TRY1_BOVIN] by SWISSPFAM
  • Domains found in 2QYI: [STI] [Tryp_SPc ] by SMART
    • Other resources with information on 2QYI
  • Community annotation for 2QYI 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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