3L33 Hydrolase Cell Adhesion date Dec 16, 2009
title Human Mesotrypsin Complexed With Amyloid Precursor Protein Inhibitor(Appi)
authors M.A.Salameh, A.S.Soares, E.S.Radisky
compound source
Molecule: Trypsin-3
Chain: A, B, C, D
Fragment: Trypsin-3
Synonym: Trypsin III, Brain Trypsinogen, Mesotrypsinogen, T Serine Protease 3, Serine Protease 4;
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Strain: Bl21(De3)
Gene: Prss3, Prss4, Try3, Try4
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid

Molecule: Amyloid Beta A4 Protein
Chain: E, F, G, H
Fragment: Unp Residues 290-341
Synonym: Alzheimer Disease Amyloid Protein, Abpp, Appi, App
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: App, A4, Ad1
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
symmetry Space Group: P 2 21 21
R_factor 0.198 R_Free 0.256
length a length b length c angle alpha angle beta angle gamma
92.793 130.067 132.338 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.48 Å
ligand CA, FMT enzyme Hydrolase E.C. BRENDA
A, B, C, D

F, E, H, G

Primary referenceDeterminants of affinity and proteolytic stability in interactions of Kunitz family protease inhibitors with mesotrypsin., Salameh MA, Soares AS, Navaneetham D, Sinha D, Walsh PN, Radisky ES, J Biol Chem. 2010 Nov 19;285(47):36884-96. Epub 2010 Sep 22. PMID:20861008
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (366 Kb) [Save to disk]
  • Biological Unit Coordinates (3l33.pdb1.gz) 93 Kb
  • Biological Unit Coordinates (3l33.pdb2.gz) 93 Kb
  • Biological Unit Coordinates (3l33.pdb3.gz) 93 Kb
  • Biological Unit Coordinates (3l33.pdb4.gz) 93 Kb
  • LPC: Ligand-Protein Contacts for 3L33
  • CSU: Contacts of Structural Units for 3L33
  • Structure Factors (759 Kb)
  • Retrieve 3L33 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3L33 from S2C, [Save to disk]
  • Re-refined 3l33 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3L33 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 3L33
  • 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 3L33, from MSDmotif at EBI
  • Fold representative 3l33 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3l33_B] [3l33_D] [3l33_F] [3l33_C] [3l33_A] [3l33_E] [3l33_H] [3l33] [3l33_G]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 3L33: [KU] [Tryp_SPc ] by SMART
  • Other resources with information on 3L33
  • Community annotation for 3L33 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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