3P92 Hydrolase Hydrolase Inhibitor date Oct 15, 2010
title Human Mesotrypsin Complexed With Bovine Pancreatic Trypsin I Variant (Bpti-K15rr17g)
authors M.A.Salameh, A.S.Soares, E.S.Radisky
compound source
Molecule: Prss3 Protein
Chain: A
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Prss3
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Pancreatic Trypsin Inhibitor
Chain: E
Fragment: Unp Residues 36-93
Synonym: Aprotinin, Basic Protease Inhibitor, Bpi, Bpti
Engineered: Yes
Mutation: Yes

Organism_scientific: Bos Taurus
Organism_common: Bovine,Cow,Domestic Cattle,Domestic Cow
Organism_taxid: 9913
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
symmetry Space Group: P 1 21 1
R_factor 0.111 R_Free 0.159
length a length b length c angle alpha angle beta angle gamma
44.282 39.222 68.807 90.00 100.28 90.00
method X-Ray Diffractionresolution 1.60 Å
ligand CA enzyme Hydrolase E.C. BRENDA


Primary referenceThe P2' residue is a key determinant of mesotrypsin specificity: Engineering a high affinity inhibitor with anticancer activity., Salameh MA, Soares AS, Hockla A, Radisky DC, Radisky ES, Biochem J. 2011 Aug 2. PMID:21806544
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (146 Kb) [Save to disk]
  • Biological Unit Coordinates (3p92.pdb1.gz) 142 Kb
  • Biological Unit Coordinates (3p92.pdb2.gz) 113 Kb
  • Biological Unit Coordinates (3p92.pdb3.gz) 31 Kb
  • LPC: Ligand-Protein Contacts for 3P92
  • CSU: Contacts of Structural Units for 3P92
  • Structure Factors (550 Kb)
  • Retrieve 3P92 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3P92 from S2C, [Save to disk]
  • Re-refined 3p92 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3P92 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 3P92
  • 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 3P92, from MSDmotif at EBI
  • Fold representative 3p92 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3p92_A] [3p92_E] [3p92]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 3P92: [KU] [Tryp_SPc ] by SMART
  • Other resources with information on 3P92
  • Community annotation for 3P92 at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
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