1SPJ Hydrolase date Mar 16, 2004
title Structure Of Mature Human Tissue Kallikrein (Human Kallikrei Klk1) At 1.70 Angstrom Resolution With Vacant Active Site
authors G.Laxmikanthan, S.I.Blaber, M.J.Bernett, M.Blaber
compound source
Molecule: Kallikrein 1
Chain: A
Synonym: Tissue Kallikrein, Kidneypancreassalivary Gland Kallikrein;
Ec: 3.4.21.35
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Klk1
Expression_system: Spodoptera Frugiperda
Expression_system_common: Fall Armyworm
Expression_system_taxid: 7108
Expression_system_strain: Sf9
Expression_system_vector_type: Baculovirus
Expression_system_plasmid: Pbac3
symmetry Space Group: P 21 21 21
R_factor 0.172 R_Free 0.202
crystal
cell
length a length b length c angle alpha angle beta angle gamma
44.719 76.404 76.626 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.70 Å
ligand ACY, CA, NAG enzyme Hydrolase E.C.3.4.21.35 BRENDA
related structures by homologous chain: 2PKA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary reference1.70 A X-ray structure of human apo kallikrein 1: Structural changes upon peptide inhibitor/substrate binding., Laxmikanthan G, Blaber SI, Bernett MJ, Scarisbrick IA, Juliano MA, Blaber M, Proteins 2005 Jan 13;. PMID:15651049
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk]
  • Biological Unit Coordinates (1spj.pdb1.gz) 45 Kb
  • LPC: Ligand-Protein Contacts for 1SPJ
  • CSU: Contacts of Structural Units for 1SPJ
  • Likely Quarternary Molecular Structure file(s) for 1SPJ
  • Structure Factors (393 Kb)
  • Retrieve 1SPJ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SPJ from S2C, [Save to disk]
  • Re-refined 1spj structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1SPJ 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 1SPJ
  • 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
  • 3D motif for 1SPJ, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1spj_A] [1spj]
  • SWISS-PROT database: [P06870]
  • Domain organization of [KLK1_HUMAN] by SWISSPFAM
  • Domain found in 1SPJ: [Tryp_SPc ] by SMART
  • Other resources with information on 1SPJ
  • Community annotation for 1SPJ 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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