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SAICAR synthetase (Type-1) in complex with GMP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3U54 PDB ENTRY 3U54, CHAIN A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 Microbatch Underoil 7.5 293 0.05M Cadmium sulfate hydrate, 0.1M HEPES, 1.0M sodium acetate trihydrate, 40% w/v 1,4-butanediol, pH 7.5, Microbatch Underoil, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.31 46.67
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 94.81 α = 90 b = 94.81 β = 90 c = 148.051 γ = 120
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 2010-12-26 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 2.09 54.98 100 0.062 11.7 4.1 29399 23.1
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 2.09 2.2 100 0.235 4.8 3.9 16781
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 3U54, CHAIN A 2.09 54.98 29399 1504 100 0.2214 0.2189 0.219 0.2693 0.2701 RANDOM 27.0092
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] -0.07 -0.07 -0.07 0.24
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.98 r_dihedral_angle_4_deg 21.946 r_dihedral_angle_3_deg 15.485 r_dihedral_angle_1_deg 5.5 r_angle_refined_deg 1.345 r_chiral_restr 0.075 r_bond_refined_d 0.008 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3574 Nucleic Acid Atoms Solvent Atoms 136 Heterogen Atoms 84
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction MAR345dtb data collection