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Macrocyclic lactams as potent Hsp90 inhibitors with excellent tumor exposure and extended biomarker activity.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3BM9 PDB ENTRY 3BM9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 277 22% PEG3350, 0.175 M MAGNESIUM NITRATE, pH 7.5, TEMPERATURE 277K; FROZEN BY 1-STEP TRANSFER TO 25% GLYCEROL, 17% PEG3350, 0.13M MAGNESIUM NITRATE, VAPOR DIFFUSION, HANGING DROP
Crystal Properties Matthews coefficient Solvent content 2.91 57.74
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.042 α = 90 b = 90.25 β = 90 c = 97.797 γ = 90
Symmetry Space Group I 2 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 93 CCD RIGAKU SATURN 92 mirrors 2008-05-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU FR-E+ SUPERBRIGHT 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.579 27.65 75.22 0.052 27.4 7.5 41054 30881 19.38
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.579 1.62 44 0.389 1.35 1.3 2677
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 3BM9 1.579 27.648 0.01 41054 30881 1589 75.22 0.1869 0.1863 0.196 0.1988 0.2087 Random
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3] -4.4254 1.1597 -1.2267
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.412 f_angle_d 1.009 f_chiral_restr 0.07 f_bond_d 0.006 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1626 Nucleic Acid Atoms Solvent Atoms 310 Heterogen Atoms 32
Software Software Software Name Purpose StructureStudio data collection PHASER phasing PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling