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Structure of a Protein Phosphatase 2A Holoenzyme with B55 subunit
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2IE3 PP2A A subunit, PP2A C subunit, WD40 ensemble
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 290 7-10% PEG 35000, 0.10-0.15 M Sodium citrate pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties Matthews coefficient Solvent content 3.11 60.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 247.34 α = 90 b = 121.39 β = 132.6 c = 172.48 γ = 90
Symmetry Space Group C 1 2 1
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 2007-04-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A 1.0809 NSLS X29A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.85 100 98.9 87353 87353 -3 65.9
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.85 2.95 99.9
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-Factor (All) 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 PP2A A subunit, PP2A C subunit, WD40 ensemble 2.85 49.63 83615 83615 4180 99.2 0.231 0.231 0.228 0.2274 0.285 0.2833 RANDOM 93.1
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] 3.25 10.54 2.24 -5.49
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.2 c_angle_deg 1.5 c_improper_angle_d 0.89 c_bond_d 0.01 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.2 c_angle_deg 1.5 c_improper_angle_d 0.89 c_bond_d 0.01 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 20713 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 4
Software Software Software Name Purpose CNS refinement CBASS data collection DENZO data reduction SCALEPACK data scaling PHASER phasing