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Structure of SeMet 2-hydroxychromene-2-carboxylate isomerase (HCCA isomerase)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 microbatch under oil 6.1 294 crystallization solution: 1.2M sodium dihydrogen phosphate, 0.8M potassium hydrogen phosphate,0.2M lithium sulfate, 0.1M CAPS pH 6.1.
Protein and crystallization solutions were mixed 1:1., microbatch under oil, temperature 294K
Crystal Properties Matthews coefficient Solvent content 2.23 44.75
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 71.336 α = 90 b = 76.051 β = 90 c = 38.366 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 IMAGE PLATE RIGAKU RAXIS IV++ BLUE MAX-FLUX CONFOCAL 2004-07-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
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 1.5 27 99.4 0.044 3.83 34098 34098
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 1.5 1.55 0.291 2.2 2.27 6066
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 SAD plus SIR THROUGHOUT 1.6 20 26752 1488 99.94 0.18887 0.18679 0.1886 0.22562 0.226 RANDOM 22.331
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] -0.95 -0.79 1.74
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.554 r_dihedral_angle_4_deg 20.274 r_dihedral_angle_3_deg 14.693 r_dihedral_angle_1_deg 4.751 r_scangle_it 4.035 r_scbond_it 2.694 r_angle_refined_deg 1.901 r_mcangle_it 1.846 r_mcbond_it 1.237 r_nbtor_refined 0.318
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.554 r_dihedral_angle_4_deg 20.274 r_dihedral_angle_3_deg 14.693 r_dihedral_angle_1_deg 4.751 r_scangle_it 4.035 r_scbond_it 2.694 r_angle_refined_deg 1.901 r_mcangle_it 1.846 r_mcbond_it 1.237 r_nbtor_refined 0.318 r_chiral_restr 0.29 r_symmetry_vdw_refined 0.242 r_nbd_refined 0.225 r_xyhbond_nbd_refined 0.175 r_symmetry_hbond_refined 0.168 r_bond_refined_d 0.02 r_gen_planes_refined 0.01 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other 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 1630 Nucleic Acid Atoms Solvent Atoms 215 Heterogen Atoms 72
Software Software Software Name Purpose REFMAC refinement CrystalClear data collection d*TREK data reduction d*TREK data scaling SOLVE phasing