2R9P Hydrolase Hydrolase Inhibitor date Sep 13, 2007
title Human Mesotrypsin Complexed With Bovine Pancreatic Trypsin Inhibitor(Bpti)
authors M.A.Salameh, A.S.Soares, E.S.Radisky
compound source
Molecule: Trypsin-3
Chain: A, B, C, D
Synonym: Trypsin III, Brain Trypsinogen, Mesotrypsinogen, Trypsin Iv, Serine Protease 3, Serine Protease 4;
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Prss3, Prss4, Try3, Try4
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Rosetta2(De3)

Molecule: Pancreatic Trypsin Inhibitor
Chain: I, E, F, G
Synonym: Basic Protease Inhibitor, Bpi, Bpti, Aprotinin

Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Strain: A1153
symmetry Space Group: P 1 21 1
R_factor 0.170 R_Free 0.224
length a length b length c angle alpha angle beta angle gamma
74.222 109.717 81.171 90.00 117.15 90.00
method X-Ray Diffractionresolution 1.40 Å
ligand SO4 enzyme Hydrolase E.C. BRENDA
A, D, C, B

F, I, G, E

Primary referenceStructural Basis for Accelerated Cleavage of Bovine Pancreatic Trypsin Inhibitor (BPTI) by Human Mesotrypsin., Salameh MA, Soares AS, Hockla A, Radisky ES, J Biol Chem. 2008 Feb 15;283(7):4115-23. Epub 2007 Dec 12. PMID:18077447
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (197 Kb) [Save to disk]
  • Biological Unit Coordinates (2r9p.pdb1.gz) 98 Kb
  • Biological Unit Coordinates (2r9p.pdb2.gz) 97 Kb
  • LPC: Ligand-Protein Contacts for 2R9P
  • CSU: Contacts of Structural Units for 2R9P
  • Likely Quarternary Molecular Structure file(s) for 2R9P
  • Structure Factors (1876 Kb)
  • Retrieve 2R9P in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2R9P from S2C, [Save to disk]
  • Re-refined 2r9p structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2R9P 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 2R9P
  • 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 2R9P, from MSDmotif at EBI
  • Fold representative 2r9p from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2r9p_E] [2r9p_C] [2r9p_F] [2r9p_G] [2r9p] [2r9p_I] [2r9p_B] [2r9p_A] [2r9p_D]
  • SWISS-PROT database: [P00974] [P35030]
  • Domain organization of [BPT1_BOVIN] [TRY3_HUMAN] by SWISSPFAM
  • Domains found in 2R9P: [KU] [Tryp_SPc ] by SMART
  • Other resources with information on 2R9P
  • Community annotation for 2R9P 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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