1PPE Hydrolase(Serine Proteinase) date Oct 24, 1991
title The Refined 2.0 Angstroms X-Ray Crystal Structure Of The Complex Formed Between Bovine Beta-Trypsin And Cmti-I, A Trypsin Inhibitor From Squash Seeds (Cucurbita Maxima): Topological Similarity Of The Squash Seed Inhibitors With The Carboxypeptidase A Inhibitor From Potatoes
authors W.Bode, R.Huber
compound source
Molecule: Trypsin
Chain: E
Engineered: Yes
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Organ: Seed

Molecule: Trypsin Inhibitor Cmti-I
Chain: I
Engineered: Yes

symmetry Space Group: P 21 21 21
R_factor 0.151 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
59.280 55.470 74.590 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1BTZ, 1OX1

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

  • Primary referenceThe refined 2.0 A X-ray crystal structure of the complex formed between bovine beta-trypsin and CMTI-I, a trypsin inhibitor from squash seeds (Cucurbita maxima). Topological similarity of the squash seed inhibitors with the carboxypeptidase A inhibitor from potatoes., Bode W, Greyling HJ, Huber R, Otlewski J, Wilusz T, FEBS Lett 1989 Jan 2;242(2):285-92. PMID:2914611
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (45 Kb) [Save to disk]
  • Biological Unit Coordinates (1ppe.pdb1.gz) 41 Kb
  • CSU: Contacts of Structural Units for 1PPE
  • Likely Quarternary Molecular Structure file(s) for 1PPE
  • Retrieve 1PPE in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1PPE from S2C, [Save to disk]
  • View 1PPE 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 1PPE
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1PPE, from MSDmotif at EBI
  • Genome occurence of 1PPE's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ppee_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1ppei_, region I [Jmol] [rasmolscript] [script source]
  • Fold representative 1ppe 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: [1ppe] [1ppe_I] [1ppe_E]
  • SWISS-PROT database: [P01074] [P00760]
  • Domain organization of [ITR1_CUCMA] [TRY1_BOVIN] by SWISSPFAM
  • Domains found in 1PPE: [PTI] [Tryp_SPc ] by SMART
  • Other resources with information on 1PPE
  • Community annotation for 1PPE 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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