4AOR Hydrolase Inhibitor date Mar 29, 2012
title Cationic Trypsin In Complex With The Spinacia Oleracea Tryps Inhibitor III (Soti-III)
authors S.Schmelz, B.Glotzbach, M.Reinwarth, A.Christmann, H.Kolmar, D.W.
compound source
Molecule: Cationic Trypsin
Chain: A, B, C
Synonym: Beta-Trypsin, Alpha-Trypsin Chain 1, Alpha-Trypsin
Organism_scientific: Bos Taurus
Organism_taxid: 9913
Other_details: Sigma Aldrich (T1426)

Molecule: Trypsin Inhibitor 3
Chain: D, E, F
Synonym: Soti-III, Soti III, Trypsin Inhibitor III
Engineered: Yes

Synthetic: Yes
Organism_scientific: Spinacia Oleracea
Organism_common: Spinach
Organism_taxid: 3562
symmetry Space Group: P 1 21 1
R_factor 0.179 R_Free 0.221
length a length b length c angle alpha angle beta angle gamma
49.350 66.820 108.890 90.00 90.17 90.00
method X-Ray Diffractionresolution 1.70 Å
ligand CA, CL, GOL, IMD, MES enzyme Hydrolase E.C. BRENDA
A, C, B

F, D, E
  • serine-type endopeptidase in...

  • Primary referenceStructural characterization of Spinacia oleracea trypsin inhibitor III (SOTI-III)., Glotzbach B, Schmelz S, Reinwarth M, Christmann A, Heinz DW, Kolmar H, Acta Crystallogr D Biol Crystallogr. 2013 Jan;69(Pt 1):114-20. doi:, 10.1107/S0907444912043880. Epub 2012 Dec 20. PMID:23275169
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (141 Kb) [Save to disk]
  • Biological Unit Coordinates (4aor.pdb1.gz) 46 Kb
  • Biological Unit Coordinates (4aor.pdb2.gz) 46 Kb
  • Biological Unit Coordinates (4aor.pdb3.gz) 45 Kb
  • LPC: Ligand-Protein Contacts for 4AOR
  • CSU: Contacts of Structural Units for 4AOR
  • Structure Factors (1014 Kb)
  • Retrieve 4AOR in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4AOR from S2C, [Save to disk]
  • Re-refined 4aor structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
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  • Visual 3D analysis of 4AOR
  • 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 4AOR, from MSDmotif at EBI
  • Fold representative 4aor from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4aor_A] [4aor_D] [4aor_E] [4aor_B] [4aor_C] [4aor] [4aor_F]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4AOR: [Tryp_SPc ] by SMART
  • Other resources with information on 4AOR
  • Community annotation for 4AOR at PDBWiki (http://pdbwiki.org)
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