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Crystal structure of RNA 3'-terminal phosphate cyclase, an ubiquitous enzyme with unusual topology
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.5 THE PROTEIN WAS CRYSTALLIZED FROM 13-15% MPEG2000, 200 MM NA-CITRATE PH 4.0, 200 MM TRIS/HCL PH 8.0, 2 MM DTT. PROTEIN CONCENTRATION WAS CA. 15 MG/ML.
Crystal Properties Matthews coefficient Solvent content 2.74 55
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 101.8 α = 90 b = 126.6 β = 90 c = 128.8 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 105 IMAGE PLATE MARRESEARCH 1998-01-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X9B NSLS X9B
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 2.8 20 96.9 0.045 17.8 3.9 41596 -3
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 2.8 2.9 91.6 0.198 7.5 3.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 MAD THROUGHOUT 2.8 10 2 37201 1891 89.8 0.244 0.244 0.2211 0.331 0.3092 RANDOM 38.3
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 2.1 x_bond_d 0.018 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 2.1 x_bond_d 0.018 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 9972 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling SHELX phasing X-PLOR phasing X-PLOR refinement