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SAICAR synthetase (Type-2) in complex with UMP/UDP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3U55 PDB ENTRY 3U55
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 Microbatch Underoil 4.6 293 0.2M Ammonium Sulphate, 0.1M Sodium acetate trihydrate, 30% w/v PEG monomethyl ether 2000, pH 4.6, Microbatch Underoil, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.37 48.09
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 43.8 α = 90 b = 153.07 β = 90 c = 77.69 γ = 90
Symmetry Space Group C 2 2 21
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 MAR scanner 345 mm plate Mirrors 2011-10-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE BRUKER AXS MICROSTAR 1.5418
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 2.35 54.52 96.3 0.108 12.7 5.4 10808 33.7
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 2.35 2.48 93.5 0.489 3.4 5.4 7982
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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 3U55 2.35 42.15 10805 557 95.73 0.2005 0.1977 0.2492 0.2178 RANDOM 25.61
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] 0.62 -0.36 -0.26
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 40.596 r_dihedral_angle_4_deg 20.762 r_dihedral_angle_3_deg 15.766 r_dihedral_angle_1_deg 6.009 r_angle_refined_deg 1.636 r_chiral_restr 0.086 r_bond_refined_d 0.01 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1813 Nucleic Acid Atoms Solvent Atoms 59 Heterogen Atoms 60
Software Software Software Name Purpose SCALA data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction MAR345dtb data collection MOSFLM data reduction