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Crystal structure of SAM-dependent methyltransferase, possible histamine N-methyltransferase (TM1293) from Thermotoga maritima at 2.20 A resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION,SITTING DROP,NANODROP 277 20.00% NP_Isopropanol, 0.034M Na/K-Phosphate pH5.0, 0.066M Na/K-Phosphate pH 7.0, 5.00% Glycerol, 20.00% NP_PEG 4000 , VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.31 46.36
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.648 α = 90 b = 70.734 β = 90 c = 93.922 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 ADSC 2003-12-12 M SINGLE WAVELENGTH 2 1 x-ray M MAD 1,2 1
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.1 ALS 8.2.1 2 SYNCHROTRON ALS BEAMLINE 8.2.1 1.0032,0.9796,0.9794 ALS 8.2.1
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 2.2 53.81 98.4 0.09 9.9 3.5 22405 42.02
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 2.2 2.26 92.1 0.514 2 3 1500
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 MAD THROUGHOUT 2.2 53.81 21451 1148 100 0.1943 0.19162 0.2066 0.2461 0.2522 RANDOM 37.296
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] -0.37 -0.4 0.76
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.502 r_dihedral_angle_4_deg 19.056 r_dihedral_angle_3_deg 15.566 r_scangle_it 7.898 r_dihedral_angle_1_deg 5.637 r_scbond_it 5.469 r_mcangle_it 2.97 r_mcbond_it 1.651 r_angle_refined_deg 1.445 r_angle_other_deg 0.846
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.502 r_dihedral_angle_4_deg 19.056 r_dihedral_angle_3_deg 15.566 r_scangle_it 7.898 r_dihedral_angle_1_deg 5.637 r_scbond_it 5.469 r_mcangle_it 2.97 r_mcbond_it 1.651 r_angle_refined_deg 1.445 r_angle_other_deg 0.846 r_mcbond_other 0.411 r_symmetry_vdw_other 0.243 r_nbd_refined 0.208 r_nbtor_refined 0.185 r_xyhbond_nbd_refined 0.181 r_nbd_other 0.179 r_symmetry_vdw_refined 0.119 r_metal_ion_refined 0.089 r_nbtor_other 0.086 r_chiral_restr 0.085 r_symmetry_hbond_refined 0.079 r_bond_refined_d 0.016 r_gen_planes_refined 0.006 r_bond_other_d 0.002 r_gen_planes_other 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3250 Nucleic Acid Atoms Solvent Atoms 109 Heterogen Atoms 1
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling SHARP phasing REFMAC refinement CCP4 data scaling