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Crystal Structure of Methanocaldococcus jannaschii PurS, One of the Subunits of Formylglycinamide Ribonucleotide Amidotransferase in the Purine Biosynthetic Pathway
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1T4A PDB ENTRY 1T4A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 4.9 293 25% 1,2-propanediol, 10% glycerol, phosphate-citrate, 5% PEG 3000, pH 4.9, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.32 62.97
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 96.251 α = 90 b = 96.251 β = 90 c = 48.257 γ = 120
Symmetry Space Group P 64 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 100 CCD MARMOSAIC 225 mm CCD 2007-01-31 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-BM 0.9790 APS 22-BM
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 50 99.9 0.051 20.7 6252 36.8
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 2.38 100 0.355 21 593
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 1T4A 2.3 31.54 6000 663 96.4 0.24 0.24 0.2402 0.284 0.2826 RANDOM 58.1
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] 5.86 3.13 5.86 -11.72
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.9 c_scangle_it 11.46 c_scbond_it 8.4 c_mcangle_it 6.35 c_mcbond_it 5 c_angle_deg 1.5 c_improper_angle_d 0.93 c_bond_d 0.011 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.9 c_scangle_it 11.46 c_scbond_it 8.4 c_mcangle_it 6.35 c_mcbond_it 5 c_angle_deg 1.5 c_improper_angle_d 0.93 c_bond_d 0.011 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
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 674 Nucleic Acid Atoms Solvent Atoms 11 Heterogen Atoms
Software Software Software Name Purpose CNS refinement HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling MOLREP phasing