1F2S Hydrolase Hydrolase Inhibitor date May 29, 2000
title Crystal Structure Of The Complex Formed Between Bovine Beta- And Mcti-A, A Trypsin Inhibitor Of Squash Family At 1.8 A R
authors Y.Zhu, Q.Huang, M.Qian, Y.Jia, Y.Tang
compound source
Molecule: Trypsin
Chain: E
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Organ: Pancreatic
Other_details: Pancreatic

Molecule: Trypsin Inhibitor A
Chain: I

Organism_scientific: Momordica Charantia
Organism_common: Balsam Pear
Organism_taxid: 3673
Other_details: Seed
symmetry Space Group: P 21 21 21
R_factor 0.177 R_Free 0.226
length a length b length c angle alpha angle beta angle gamma
59.760 55.550 74.470 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.79 Å
ligand CA enzyme Hydrolase E.C. BRENDA
note 1F2S supersedes 1MCU

  • endopeptidase inhibitor acti...
  • serine-type endopeptidase in...

  • Primary referenceCrystal structure of the complex formed between bovine beta-trypsin and MCTI-A, a trypsin inhibitor of squash family, at 1.8-A resolution., Zhu Y, Huang Q, Qian M, Jia Y, Tang Y, J Protein Chem. 1999 Jul;18(5):505-9. PMID:10524768
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk]
  • Biological Unit Coordinates (1f2s.pdb1.gz) 42 Kb
  • LPC: Ligand-Protein Contacts for 1F2S
  • CSU: Contacts of Structural Units for 1F2S
  • Likely Quarternary Molecular Structure file(s) for 1F2S
  • Structure Factors (154 Kb)
  • Retrieve 1F2S in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1F2S from S2C, [Save to disk]
  • Re-refined 1f2s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1F2S 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 1F2S
  • 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 1F2S, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1f2se_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1f2si_, region I [Jmol] [rasmolscript] [script source]
  • Fold representative 1f2s 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: [1f2s] [1f2s_E] [1f2s_I]
  • SWISS-PROT database: [P10295] [P00760]
  • Domain organization of [ITR2_MOMCH] [TRY1_BOVIN] by SWISSPFAM
  • Domains found in 1F2S: [PTI] [Tryp_SPc ] by SMART
  • Other resources with information on 1F2S
  • Community annotation for 1F2S at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
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