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Pigeon Cryptochrome4 bound to flavin adenine dinucleotide
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4K0R
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 294.15 Crystals were obtained at 21C in dark from a 1:1 mixture of protein (10-12 mg/mL) and a reservoir solution consisting of 5% PEG 6000 and 0.1 M HEPES pH 7.1. Crystal reached maximum size after 4-5 days and were harvested at that time in the dark. Crystals were transferred to cryoprotectant solution consisting of 5% PEG 6000, 0.1 M HEPES pH 7, 2 mM DTT and either 30% P400 or 30% glycerol. Crystals were flash-frozen in liquid nitrogen in the dark
Crystal Properties Matthews coefficient Solvent content 2.19 43.74
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.099 α = 90 b = 86.578 β = 90 c = 104.267 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 6M-F 2017-08-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.979200 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) 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 1.849 104.073 94.2 0.097 0.994 13.5 3.4 41952 16.1759252839
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.97 0.438 0.816
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 4K0R 1.8979 48.0201133545 1.36385614405 37182 2000 94.1578667477 0.159897807 0.157855371182 0.159 0.195095045293 0.1962 19.0193492644
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 f_dihedral_angle_d 19.7419480971 f_angle_d 0.859910339667 f_chiral_restr 0.0537102738096 f_bond_d 0.00686993068116 f_plane_restr 0.00593814286363
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3938 Nucleic Acid Atoms Solvent Atoms 321 Heterogen Atoms 101
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing