4B2C Hydrolase Hydrolase Inhibitor date Jul 13, 2012
title Structure Of The Factor Xa-Like Trypsin Variant Triple-Ala ( Complex With Eglin C
authors A.Menzel, P.Neumann, M.T.Stubbs
compound source
Molecule: Cationic Trypsin
Chain: A, C
Synonym: Beta-Trypsin, Alpha-Trypsin Chain 1, Alpha-Trypsin
Engineered: Yes
Mutation: Yes
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Eglin C
Chain: B, D
Engineered: Yes
Mutation: Yes

Organism_scientific: Hirudo Medicinalis
Organism_common: Medicinal Leech
Organism_taxid: 6421
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1 21 1
R_factor 0.158 R_Free 0.182
length a length b length c angle alpha angle beta angle gamma
79.210 37.020 103.960 90.00 102.26 90.00
method X-Ray Diffractionresolution 1.43 Å
ligand CA, CL, EDO, GOL enzyme Hydrolase E.C. BRENDA
A, C

D, B
  • serine-type endopeptidase in...

  • Primary referenceThermodynamic signatures in macromolecular interactions involving conformational flexibility., Menzel A, Neumann P, Schwieger C, Stubbs MT, Biol Chem. 2014 Jul 1;395(7-8):905-11. doi: 10.1515/hsz-2014-0177. PMID:25003391
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (212 Kb) [Save to disk]
  • Biological Unit Coordinates (4b2c.pdb1.gz) 100 Kb
  • Biological Unit Coordinates (4b2c.pdb2.gz) 102 Kb
  • LPC: Ligand-Protein Contacts for 4B2C
  • CSU: Contacts of Structural Units for 4B2C
  • Structure Factors (696 Kb)
  • Retrieve 4B2C in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4B2C from S2C, [Save to disk]
  • Re-refined 4b2c structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
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  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 4B2C
  • 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 4B2C, from MSDmotif at EBI
  • Fold representative 4b2c from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4b2c] [4b2c_A] [4b2c_D] [4b2c_B] [4b2c_C]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4B2C: [Tryp_SPc ] by SMART
  • Other resources with information on 4B2C
  • Community annotation for 4B2C at PDBWiki (http://pdbwiki.org)
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