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X-ray Structure of the Y76F mutant of TcaB9, a C-3'-Methyltransferase, in Complex with S-Adenosyl-L-Homocysteine and Sugar Product
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3NDJ PDB ENTRY 3NDJ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 298 1.2-1.6 M sodium/potassium phosphate, 10 mM dTMP, 5 mM S-adenosyl-L-homocysteine, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.36 47.96
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 100.822 α = 90 b = 114.408 β = 90 c = 37.768 γ = 90
Symmetry Space Group P 21 21 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 Bruker Platinum 135 Montel 2011-12-31 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.54178
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.75 34 97 0.084 0.084 9.6 3.4 45134 43793
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.75 1.85 92.8 0.255 0.255 2.69 1.86 6335
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 (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 3NDJ 1.75 34 43752 41540 2212 97.07 0.16701 0.16501 0.166 0.20498 0.2075 RANDOM 15.446
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] -0.97 0.03 0.94
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.054 r_dihedral_angle_4_deg 19.942 r_dihedral_angle_3_deg 13.529 r_dihedral_angle_1_deg 6.225 r_scangle_it 6.087 r_scbond_it 4.05 r_mcangle_it 2.54 r_angle_refined_deg 2.257 r_mcbond_it 1.724 r_chiral_restr 0.154
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.054 r_dihedral_angle_4_deg 19.942 r_dihedral_angle_3_deg 13.529 r_dihedral_angle_1_deg 6.225 r_scangle_it 6.087 r_scbond_it 4.05 r_mcangle_it 2.54 r_angle_refined_deg 2.257 r_mcbond_it 1.724 r_chiral_restr 0.154 r_bond_refined_d 0.01 r_gen_planes_refined 0.009 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3154 Nucleic Acid Atoms Solvent Atoms 426 Heterogen Atoms 70
Software Software Software Name Purpose PROTEUM PLUS data collection PHASER phasing REFMAC refinement SAINT data reduction SADABS data scaling