1Q6K Hydrolase date Aug 13, 2003
title Cathepsin K Complexed With T-Butyl(1s)-1-Cyclohexyl-2- Oxoethylcarbamate
authors J.G.Catalano, D.N.Deaton, E.S.Furfine, A.M.Hassell, R.B.Mcfadyen A.B.Miller, L.R.Miller, L.M.Shewchuk, D.H.Willard, L.L.Wright
compound source
Molecule: Cathepsin K
Chain: A
Synonym: Cathepsin O, Cathepsin X, Cathepsin O2
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ctsk Or Ctso
Expression_system: Spodoptera Frugiperda
Expression_system_common: Fall Armyworm
Expression_system_taxid: 7108
Expression_system_cell_line: Sf9
Expression_system_vector_type: Baculovirus
Expression_system_vector: Pfastbac
symmetry Space Group: P 43 21 2
R_factor 0.200 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
56.443 56.443 130.212 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand SO4, TCO BindingDB enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1AYU, 1MEM

Primary referenceExploration of the P1 SAR of aldehyde cathepsin K inhibitors., Catalano JG, Deaton DN, Furfine ES, Hassell AM, McFadyen RB, Miller AB, Miller LR, Shewchuk LM, Willard DH Jr, Wright LL, Bioorg Med Chem Lett 2004 Jan 5;14(1):275-8. PMID:14684342
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (41 Kb) [Save to disk]
  • Biological Unit Coordinates (1q6k.pdb1.gz) 38 Kb
  • LPC: Ligand-Protein Contacts for 1Q6K
  • CSU: Contacts of Structural Units for 1Q6K
  • Likely Quarternary Molecular Structure file(s) for 1Q6K
  • Structure Factors (108 Kb)
  • Retrieve 1Q6K in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1Q6K from S2C, [Save to disk]
  • Re-refined 1q6k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1Q6K 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 1Q6K
  • 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 1Q6K, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1q6ka_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1q6k from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1q6k_A] [1q6k]
  • SWISS-PROT database: [P43235]
  • Domain organization of [CATK_HUMAN] by SWISSPFAM
  • Domain found in 1Q6K: [Pept_C1 ] by SMART
  • Other resources with information on 1Q6K
  • Community annotation for 1Q6K 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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