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CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF E.COLI HPPK(R82A) WITH MGAMPCPP AND 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN AT 1.25 ANGSTROM RESOLUTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EQO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 292 PEG4000, MAGNESIUM CHLORIDE, ACETATE, GLYCEROL , pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 292.0K
Crystal Properties Matthews coefficient Solvent content 1.92 33.45
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 73.372 α = 90 b = 37.843 β = 117.18 c = 58.018 γ = 90
Symmetry Space Group C 1 2 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 QUANTUM 4 MIRROR 2000-11-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X9B 0.96394 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 1.25 30 99.6 0.092 12.2875 3.211 39345 39345 12.3
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) 1.25 1.29 99 0.571 1.678 3.079 3863
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R 1EQO 1.25 30 2 4 37252 26465 1932 94.6 0.1337 0.0968 0.1066 0.1319 RANDOM 15.307
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 9 1297 1644.5
RMS Deviations Key Refinement Restraint Deviation s_anti_bump_dis_restr 0.199 s_zero_chiral_vol 0.156 s_non_zero_chiral_vol 0.143 s_approx_iso_adps 0.079 s_similar_adp_cmpnt 0.044 s_from_restr_planes 0.031 s_angle_d 0.027 s_rigid_bond_adp_cmpnt 0.016 s_bond_d 0.011 s_similar_dist
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1287 Nucleic Acid Atoms Solvent Atoms 333 Heterogen Atoms 64
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing SHELXL-97 refinement