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CRYSTAL STRUCTURE OF YEAST PHENYLALANINE TRANSFER RNA AT 2.0 A RESOLUTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TRA PDB ENTRY 1TRA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 DIALYSIS 7.5 277.15 CRYSTALS GROWN AT 277 K IN 0.010 M TRIS-HCL PH 7.5, 0.012 M MGCL2, 0.002 M SPERMINE, 6% 1,6-HEXANEDIOL. CRYOPROTECTION CONDITIONS: AFTER WASHING IN FRESH CRYSTALLIZATION SOLUTION FOR 10 MIN AND ADDITION OF 30% MPD (V/V), CRYSTALS WERE FLASH-FROZEN IN LIQUID NITROGEN, DIALYSIS, temperature 277.15K
Crystal Properties Matthews coefficient Solvent content 2.25 59.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.252 α = 90 b = 32.988 β = 90.38 c = 61.882 γ = 90
Symmetry Space Group P 1 21 1
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 ADSC 1999-04-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-4 ESRF ID14-4
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 25.8 88.6 0.036 14.8 3.1 13678 13678 29.3
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 2.1 70.7 0.171 2.2 2.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 THROUGHOUT PDB ENTRY 1TRA 2 25.79 13678 13678 926 88.5 0.227 0.227 0.227 0.2008 0.263 0.2436 RANDOM 53.6
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] 1.86 3.76 -0.56 -1.3
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 12.7 c_angle_deg 1.4 c_improper_angle_d 1.3 c_bond_d 0.009 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 12.7 c_angle_deg 1.4 c_improper_angle_d 1.3 c_bond_d 0.009 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 c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 1652 Solvent Atoms 220 Heterogen Atoms 24
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling SOLVE phasing CNS phasing