2C3K	Transferase	date	Oct 10, 2005
title	Identification Of A Buried Pocket For Potent And Selective I Of Chk1: Prediction And Verification
authors	N.Foloppe, L.M.Fisher, G.Francis, R.Howes, P.Kierstan, A.Potter
compound		source
Molecule: Serinethreonine-Protein Kinase Chk1 Chain: A Fragment: N-Terminal Kinase Domain, Residues 1-289 Synonym: Chk1 Kinase Ec: 2.7.1.37 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Spodoptera Frugiperda Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbac1chk1 1-289 C8h
symmetry	Space Group: P 1 21 1	R_factor 0.198 R_Free 0.280
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.057 65.891 54.584 90.00 102.01 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	ABO BindingDB	enzyme	Transferase E.C.2.7.1.37 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Identification of a buried pocket for potent and selective inhibition of Chk1: prediction and verification., Foloppe N, Fisher LM, Francis G, Howes R, Kierstan P, Potter A, Bioorg Med Chem. 2006 Mar 15;14(6):1792-804. Epub 2005 Nov 9. PMID:16289938

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (51 Kb) [Save to disk] Biological Unit Coordinates (2c3k.pdb1.gz) 46 Kb LPC: Ligand-Protein Contacts for 2C3K CSU: Contacts of Structural Units for 2C3K Likely Quarternary Molecular Structure file(s) for 2C3K Structure Factors (129 Kb) Retrieve 2C3K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2C3K from S2C, [Save to disk] Re-refined 2c3k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2C3K 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 2C3K

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 2C3K, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2c3k_A] [2c3k] SWISS-PROT database: [O14757] Domain organization of [CHK1_HUMAN] by SWISSPFAM Domain found in 2C3K: [S_TKc ] by SMART

Other resources with information on 2C3K

Community annotation for 2C3K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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