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 Ec: 3.4.22.38 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
crystal cell	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 Diffraction	resolution	2.10 Å
ligand	SO4, TCO BindingDB	enzyme	Hydrolase E.C.3.4.22.38 BRENDA
related structures	by homologous chain: 1AYU, 1MEM
Gene Ontology	Chain Function Process Component A
Primary reference	Exploration 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) 37 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

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 1Q6K, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q6ka_, region A [Jmol] [rasmolscript] [script source] 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)

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