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PURINE NUCLEOSIDE PHOSPHORYLASE IN COMPLEX WITH FORMYCIN B AND SULPHATE (PHOSPHATE)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ECP
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.3 28-35% AMMONIUM SULPHATE, 50 MM CITRATE BUFFER, PH 5.2-5.4, pH 5.3
Crystal Properties Matthews coefficient Solvent content 3.67 70
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 123.11 α = 90 b = 123.11 β = 90 c = 241.22 γ = 120
Symmetry Space Group P 61 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 281 IMAGE PLATE MARRESEARCH 1995-06-18 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX9.6 SRS PX9.6
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.1 20 98.3 0.137 7.9 9.2 668538 1 22.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.1 2.2 98 0.297
Refinement Statistics Diffraction ID Structure Solution 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 1ECP 2.1 20 72585 98.3 0.196
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 t_dihedral_angle_d 24.5 t_angle_deg 1.301 t_bond_d 0.005 t_gen_planes 0.002 t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_it t_nbd
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5298 Nucleic Acid Atoms Solvent Atoms 376 Heterogen Atoms 72
Software Software Software Name Purpose AMoRE phasing TNT refinement DENZO data reduction SCALEPACK data scaling