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Crystal Structure of Human CDK9/cyclinT1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QMZ PDB ENTRY 1QMZ FOR CHAIN A, PDB ENTRY 2PK2 FOR CHAIN B experimental model PDB 2PK2 PDB ENTRY 1QMZ FOR CHAIN A, PDB ENTRY 2PK2 FOR CHAIN B
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 277 0.1M Tris, 20% PEG 1000, 0.5M NaCl, 4mM TCEP, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 4.04 69.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 172.92 α = 90 b = 172.92 β = 90 c = 95.76 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 315 2007-06-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID29 0.9756 ESRF ID29
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.48 86.46 99.1 0.063 0.063 7.8 2.8 37491
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.48 2.61 100 0.472 0.472 1.6 2.8 5534
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 1QMZ FOR CHAIN A, PDB ENTRY 2PK2 FOR CHAIN B 2.48 48.726 37490 3600 95.5 0.179 0.1684 0.221 0.2071 RANDOM 74.79
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] -1.896 -1.896 3.793
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.293 f_nbd_refined 4.062 f_angle_d 0.646 f_chiral_restr 0.047 f_bond_d 0.005 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4454 Nucleic Acid Atoms Solvent Atoms 139 Heterogen Atoms 8
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction ProDC data collection