1SNK	Hydrolase	date	Mar 11, 2004
title	Cathepsin K Complexed With Carbamate Derivatized Norleucine
authors	E.E.Boros, D.N.Deaton, A.M.Hassell, R.B.Mcfadyen, A.B.Miller, L.R L.M.Shewchuk, J.B.Thompson, D.H.Willard Jr., 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, Ctso, Ctso2 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_plasmid: Pfasbac
symmetry	Space Group: P 43 21 2	R_factor 0.208 R_Free 0.286
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.073 62.073 113.378 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	MYE, SO4	enzyme	Hydrolase E.C.3.4.22.38 BRENDA
related structures	by homologous chain: 1AU4, 1AYW
Gene Ontology	Chain Function Process Component A
Primary reference	Exploration of the P2-P3 SAR of aldehyde cathepsin K inhibitors., Boros EE, Deaton DN, Hassell AM, McFadyen RB, Miller AB, Miller LR, Paulick MG, Shewchuk LM, Thompson JB, Willard DH Jr, Wright LL, Bioorg Med Chem Lett 2004 Jul 5;14(13):3425-9. PMID:15177446

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (41 Kb) [Save to disk] Biological Unit Coordinates (1snk.pdb1.gz) 36 Kb LPC: Ligand-Protein Contacts for 1SNK CSU: Contacts of Structural Units for 1SNK Likely Quarternary Molecular Structure file(s) for 1SNK Structure Factors (68 Kb) Retrieve 1SNK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SNK from S2C, [Save to disk] Re-refined 1snk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SNK 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 1SNK

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 1SNK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1snka_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1snk_A] [1snk] SWISS-PROT database: [P43235] Domain organization of [CATK_HUMAN] by SWISSPFAM Domain found in 1SNK: [Pept_C1 ] by SMART

Other resources with information on 1SNK

Community annotation for 1SNK at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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