5MS4 Hydrolase Inhibitor date Dec 30, 2016
title Kallikrein-Related Peptidase 8 Leupeptin Inhibitor Complex
authors M.Debela, V.Magdolen, W.Skala, W.Bode, H.Brandstetter, P.Goettig
compound source
Molecule: Kallikrein-8
Chain: A, B, C, D
Synonym: Hk8,Neuropsin,Np,Ovasin,Serine Protease 19,Serine Tadg-14,Tumor-Associated Differentially Expressed Gene 14 P
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Klk8, Nrpn, Prss19, Tadg14, Unq283pro322
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Leupeptin
Chain: E, F, G, H
Engineered: Yes

Synthetic: Yes
Organism_scientific: Synthetic Construct
Organism_taxid: 32630
symmetry Space Group: P 1 21 1
R_factor 0.212 R_Free 0.259
length a length b length c angle alpha angle beta angle gamma
83.103 46.045 103.349 90.00 91.40 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand ACE, AR7, CA, TBU enzyme Hydrolase E.C. BRENDA
A, D, C, B

Primary referenceStructural determinants of specificity and regulation of activity in the allosteric loop network of human KLK8/neuropsin., Debela M, Magdolen V, Skala W, Elsasser B, Schneider EL, Craik CS, Biniossek ML, Schilling O, Bode W, Brandstetter H, Goettig P, Sci Rep. 2018 Jul 16;8(1):10705. doi: 10.1038/s41598-018-29058-6. PMID:30013126
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (173 Kb) [Save to disk]
  • Biological Unit Coordinates (5ms4.pdb1.gz) 44 Kb
  • Biological Unit Coordinates (5ms4.pdb2.gz) 45 Kb
  • Biological Unit Coordinates (5ms4.pdb3.gz) 45 Kb
  • Biological Unit Coordinates (5ms4.pdb4.gz) 45 Kb
  • LPC: Ligand-Protein Contacts for 5MS4
  • CSU: Contacts of Structural Units for 5MS4
  • Structure Factors (453 Kb)
  • Retrieve 5MS4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 5MS4 from S2C, [Save to disk]
  • View 5MS4 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 5MS4
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • Fold representative 5ms4 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [5ms4_A] [5ms4_D] [5ms4_E] [5ms4_F] [5ms4_H] [5ms4_B] [5ms4_C] [5ms4_G]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 5MS4
  • Community annotation for 5MS4 at PDBWiki (http://pdbwiki.org)

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