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Crystal structure of binary complex of the catalytic domain of human phenylalanine hydroxylase with dihydrobiopterin (BH2)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1PAH PDB ENTRY 1PAH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.8 277 20% PEG 2000, 11% ethylene glycol 0.12M Na-Hepes pH 6.8, 5mM BH2, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.97 58.59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.588 α = 90 b = 108.117 β = 90 c = 124.168 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 110 IMAGE PLATE MARRESEARCH MIRRORS 2001-04-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM1A 0.8000 ESRF BM1A
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 2.1 10 100 0.059 0.059 11.1 4.2 26185 26185 27.9
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) 2.1 2.21 100 0.318 0.318 23 4.2 3829
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION Starting with 1PAH phases THROUGHOUT PDB ENTRY 1PAH 2.1 10 26185 26185 2579 100 0.211 0.2106 0.235 0.2379 RANDOM 27.7
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]
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_deg 21.6 c_angle_deg 1.16 c_improper_angle_deg 0.79 c_bond_d 0.0066
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2517 Nucleic Acid Atoms Solvent Atoms 194 Heterogen Atoms 18
Software Software Software Name Purpose DENZO data reduction SCALA data scaling CNS refinement CCP4 data scaling