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EFFECTS OF COMMONLY USED CRYOPROTECTANTS ON GLYCOGEN PHOSPHORYLASE ACTIVITY AND STRUCTURE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2GPN PDB ENTRY 2GPN
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.7 289 THE PROTEIN WAS CRYSTALLIZED FROM 0.01 M BES, PH 6.7, 0.003 M DTT, 0.001 M SPERMINE, 0.0001 M EDTA, 0.02 % (W/V) SODIUM AZIDE AT 16 DEGREES C. THE CRYSTALS WERE CRYOPROTECTED WITH 30% (V/V) DMSO (DIMETHYLSULFOXIDE)., temperature 289K
Crystal Properties Matthews coefficient Solvent content 2.35 47.66
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 126.04 α = 90 b = 126.04 β = 90 c = 115.19 γ = 90
Symmetry Space Group P 43 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE MARRESEARCH 1996-07-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 EMBL/DESY, HAMBURG X11
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 2.3 36.8 99.9 0.042 20.59 5.9 41713
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 2.3 2.34 99.5 0.103 10.48
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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION OTHER FREE R-FACTOR PDB ENTRY 2GPN 2.3 36.8 41713 2107 99.9 0.186 0.186 0.252 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]
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 1.2 x_bond_d 0.009 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 1.2 x_bond_d 0.009 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6519 Nucleic Acid Atoms Solvent Atoms 673 Heterogen Atoms 15
Software Software Software Name Purpose CCP4 model building X-PLOR refinement DENZO data reduction SCALEPACK data scaling CCP4 phasing