1T7C Hydrolase Hydrolase Inhibitor date May 09, 2004
title Crystal Structure Of The P1 Glu Bpti Mutant- Bovine Chymotrypsin Complex
authors H.Czapinska, R.Helland, J.Otlewski, A.O.Smalas
compound source
Molecule: Chymotrypsin A
Chain: A, C
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Pancreatic Trypsin Inhibitor
Chain: B, D
Synonym: Basic Protease Inhibitor, Bpi, Bpti, Aprotinin
Engineered: Yes
Mutation: Yes

Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Paed4
symmetry Space Group: P 61
R_factor 0.194 R_Free 0.218
length a length b length c angle alpha angle beta angle gamma
99.980 99.980 205.370 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.85 Å
ligand SO4 enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1GCD, 1NAG, 2VGC, 3BTE
A, C

D, B

Primary referenceCrystal structures of five bovine chymotrypsin complexes with P1 BPTI variants., Czapinska H, Helland R, Smalas AO, Otlewski J, J Mol Biol 2004 Dec 3;344(4):1005-20. PMID:15544809
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (109 Kb) [Save to disk]
  • Biological Unit Coordinates (1t7c.pdb1.gz) 54 Kb
  • Biological Unit Coordinates (1t7c.pdb2.gz) 54 Kb
  • Biological Unit Coordinates (1t7c.pdb3.gz) 104 Kb
  • Biological Unit Coordinates (1t7c.pdb4.gz) 104 Kb
  • Biological Unit Coordinates (1t7c.pdb5.gz) 54 Kb
  • Biological Unit Coordinates (1t7c.pdb6.gz) 54 Kb
  • LPC: Ligand-Protein Contacts for 1T7C
  • CSU: Contacts of Structural Units for 1T7C
  • Likely Quarternary Molecular Structure file(s) for 1T7C
  • Structure Factors (688 Kb)
  • Retrieve 1T7C in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1T7C from S2C, [Save to disk]
  • Re-refined 1t7c structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1T7C 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 1T7C
  • 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 1T7C, from MSDmotif at EBI
  • Fold representative 1t7c from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1t7c] [1t7c_D] [1t7c_B] [1t7c_A] [1t7c_C]
  • SWISS-PROT database: [P00974] [P00766]
  • Domain organization of [BPT1_BOVIN] [CTRA_BOVIN] by SWISSPFAM
  • Domains found in 1T7C: [KU] [Tryp_SPc ] by SMART
  • Other resources with information on 1T7C
  • Community annotation for 1T7C 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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