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Structure of a human ASF1a-HIRA complex and insights into specificity of histone chaperone complex assembly
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ROC PDB ENTRY 1ROC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 298 CRYSTALS OF THE HUMAN ASF1AN-HIRA(425-472) COMPLEX WERE
GROWN BY HANGING DROP VAPOR DIFFUSION AT ROOM TEMPERATURE
AND WERE OBTAINED BY MIXING 2 UL OF A 0.5 MM PROTEIN
COMPLEX SOLUTION (IN 20 MM HEPES PH 7.0, 150 MM NACL AND
5 MM BETA-ME) WITH 2 UL OF RESERVOIR SOLUTION CONTAINING
1.44 M NAH2PO4 AND 0.16 M K2HPO4 AT PH 5.6, AND
EQUILIBRATING OVER 1.0 ML OF RESERVOIR SOLUTION. CRYSTALS
WERE FULLY GROWN WITHIN TWO WEEKS TO A TYPICAL SIZE OF
0.3MMX0.3MMX0.2MM, VAPOR DIFFUSION, HANGING DROP,
TEMPERATURE 298.0K
Crystal Properties Matthews coefficient Solvent content 3.02 59.25
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 116.226 α = 90 b = 116.226 β = 90 c = 167.599 γ = 120
Symmetry Space Group P 65 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 77 CCD ADSC QUANTUM 4 mirrors 2005-04-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X6A 0.980 NSLS X6A
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 2.5 50 99.9 0.058 12.8 43841 -3.5
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) 2.5 2.59 99.6 0.641 2322
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 THROUGHOUT PDB ENTRY 1ROC 2.7 25 19106 43841 1813 95.7 0.229 0.2404 0.269 0.2591 RANDOM 52.923
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] -8.451 -8.556 -8.451 16.901
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 3.275 c_mcangle_it 2.561 c_scbond_it 2.133 c_mcbond_it 1.464 c_angle_deg 1.421 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2780 Nucleic Acid Atoms Solvent Atoms 130 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing CNS refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling