4KEL Hydrolase Hydrolase Inhibitor date Apr 25, 2013
title Atomic Resolution Crystal Structure Of Kallikrein-Related Pe Complexed With A Modified Sfti Inhibitor Fcqr(N)
authors O.V.Ilyichova, J.E.Swedberg, S.J.De Veer, K.C.Sit, J.M.Harris, A.
compound source
Molecule: Kallikrein-4
Chain: A
Fragment: Related Peptidase 4, Unp Residues 31-253
Synonym: Enamel Matrix Serine Proteinase 1, Kallikrein-Like 1, Klk-L1, Prostase, Serine Protease 17;
Ec: 3.4.21.-
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Klk4
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet12a-Propsa-Hk4

Molecule: Trypsin Inhibitor 1
Chain: B
Synonym: Sfti-1
Engineered: Yes
Mutation: Yes

Synthetic: Yes
Organism_scientific: Helianthus Annuus
Organism_common: Common Sunflower
Organism_taxid: 4232
Other_details: Modified Sunflower Trypsin Inhibitor
symmetry Space Group: P 1 21 1
R_factor 0.137 R_Free 0.163
length a length b length c angle alpha angle beta angle gamma
39.844 63.331 41.191 90.00 115.58 90.00
method X-Ray Diffractionresolution 1.15 Å
enzyme Hydrolase E.C.3.4.21 BRENDA

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (86 Kb) [Save to disk]
  • Biological Unit Coordinates (4kel.pdb1.gz) 81 Kb
  • CSU: Contacts of Structural Units for 4KEL
  • Structure Factors (1159 Kb)
  • Retrieve 4KEL in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4KEL from S2C, [Save to disk]
  • Re-refined 4kel structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4KEL 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 4KEL
  • 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 4KEL, from MSDmotif at EBI
  • Fold representative 4kel from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4kel_A] [4kel] [4kel_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4KEL: [Tryp_SPc ] by SMART
  • Other resources with information on 4KEL
  • Community annotation for 4KEL at PDBWiki (http://pdbwiki.org)

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014
    Bioinformatics Unit
    Weizmann Institute of Science