3R91 Chaperone Chaperone Inhibitor date Mar 24, 2011
title Macrocyclic Lactams As Potent Hsp90 Inhibitors With Excellen Exposure And Extended Biomarker Activity.
authors C.W.Zapf, J.D.Bloom, J.L.Mcbean, R.G.Dushin, T.Nittoli, M.Otteng, C.Ingalls, J.M.Golas, H.Liu, J.Lucas, F.Boschelli, E.Vogan, Y.Hu,
compound source
Molecule: Heat Shock Protein Hsp 90-Alpha
Chain: A
Fragment: N-Terminal Domain, Unp Residues 10-236
Synonym: Heat Shock 86 Kda, Hsp 86, Hsp86, Renal Carcinoma Ny-Ren-38;
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hsp90a, Hsp90aa1, Hspc1, Hspca
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet28a
symmetry Space Group: I 2 2 2
R_factor 0.186 R_Free 0.199
length a length b length c angle alpha angle beta angle gamma
67.042 90.250 97.797 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.58 Å
ligand 06H enzyme

Primary referenceMacrocyclic lactams as potent Hsp90 inhibitors with excellent tumor exposure and extended biomarker activity., Zapf CW, Bloom JD, McBean JL, Dushin RG, Nittoli T, Otteng M, Ingalls C, Golas JM, Liu H, Lucas J, Boschelli F, Hu Y, Vogan E, Levin JI, Bioorg Med Chem Lett. 2011 Apr 5. PMID:21515049
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (45 Kb) [Save to disk]
  • Biological Unit Coordinates (3r91.pdb1.gz) 40 Kb
  • LPC: Ligand-Protein Contacts for 3R91
  • CSU: Contacts of Structural Units for 3R91
  • Structure Factors (654 Kb)
  • Retrieve 3R91 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3R91 from S2C, [Save to disk]
  • Re-refined 3r91 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3R91 in 3D
  • Proteopedia, because life has more than 2D.
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  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 3R91
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3R91, from MSDmotif at EBI
  • Fold representative 3r91 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3r91] [3r91_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3R91: [HATPase_c ] by SMART
  • Other resources with information on 3R91
  • Community annotation for 3R91 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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