2BRB Transferase date May 04, 2005
title Structure-Based Design Of Novel Chk1 Inhibitors: Insights In Hydrogen Bonding And Protein-Ligand Affinity
authors N.Foloppe, L.M.Fisher, R.Howes, P.Kierstan, A.Potter, A.G.S.Rober A.E.Surgenor
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 0.241 R_Free 0.272
crystal
cell
length a length b length c angle alpha angle beta angle gamma
44.993 65.770 58.360 90.00 94.29 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand PFQ, SO4 BindingDB enzyme Transferase E.C.2.7.1.37 BRENDA
related structures by homologous chain: 2BRG, 2BRO
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceStructure-based design of novel Chk1 inhibitors: insights into hydrogen bonding and protein-ligand affinity., Foloppe N, Fisher LM, Howes R, Kierstan P, Potter A, Robertson AG, Surgenor AE, J Med Chem. 2005 Jun 30;48(13):4332-45. PMID:15974586
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk]
  • Biological Unit Coordinates (2brb.pdb1.gz) 49 Kb
  • LPC: Ligand-Protein Contacts for 2BRB
  • CSU: Contacts of Structural Units for 2BRB
  • Likely Quarternary Molecular Structure file(s) for 2BRB
  • Structure Factors (139 Kb)
  • Retrieve 2BRB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2BRB from S2C, [Save to disk]
  • Re-refined 2brb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2BRB 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 2BRB
  • 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 2BRB, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2brb] [2brb_A]
  • SWISS-PROT database: [O14757]
  • Domain organization of [CHK1_HUMAN] by SWISSPFAM
  • Domain found in 2BRB: [S_TKc ] by SMART
  • Other resources with information on 2BRB
  • Community annotation for 2BRB 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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