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Discovery of cytotoxic Dolastatin 10 analogs with N-terminal modifications
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3HKB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.8 291 5% PEG 400, 0.1M LiSO4, 5-7% PEG 20K, 50 mM K-PIPES
Crystal Properties Matthews coefficient Solvent content 2.62 53.05
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.61 α = 90 b = 127.86 β = 90 c = 255.04 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 6M 2012-02-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-ID 1.0 APS 17-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 3.19 50 97.5 0.104 4.7 4.5 36225 94.19
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.19 3.26 90.4 0.832 3.7 1642
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 THROUGHOUT 3HKB 3.19 30.59 36145 1817 97.25 0.1926 0.1883 0.2068 0.2731 0.2738 RANDOM 126.67
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] -58.7925 31.0092 27.7833
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 24.44 t_omega_torsion 2.57 t_angle_deg 1.22 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 24.44 t_omega_torsion 2.57 t_angle_deg 1.22 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 14445 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 282
Software Software Software Name Purpose BUSTER refinement DENZO data reduction PDB_EXTRACT data extraction SCALEPACK data scaling BUSTER phasing