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XFEL crystal structure of human melatonin receptor MT2 in complex with ramelteon
Serial Crystallography (SX)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IRO PDB id:1IRO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 LIPIDIC CUBIC PHASE 293 N-(2-Acetamido)iminodiacetic acid, PEG 400, ammonium acetate
Crystal Properties Matthews coefficient Solvent content 3.64 66.19
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 69.4 α = 90 b = 145.7 β = 106.2 c = 77.2 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 PIXEL CS-PAD CXI-1 2017-12-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 FREE ELECTRON LASER SLAC LCLS BEAMLINE CXI 1.30 SLAC LCLS CXI
Serial Crystallography Sample delivery method Diffraction ID Description Sample Delivery Method 1 injection
Measurement Diffraction ID Pulse Duration Pulse Repetition Rate Focal Spot Size Pulse Energy Photons Per Pulse 1 30 (fs) 120 9.83 (KeV)
Data Reduction Diffraction ID Frames Indexed Crystal Hits Frames Indexed Latices Merged 1 28834 60005 28834
Injection Diffraction ID Description Flow Rate Injector Diameter Injection Power Injector Nozzle Filter Size Carrier Solvent 1 0.357 (µl/min) undefined (µm) HPLC pump LCP LCP
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 3.3 22 100 3.67 221.1 22143 79.55
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Split (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.3 3.46 100 0.2 84.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT THROUGHOUT PDB id:1IRO 3.3 22 22122 1108 100 0.249 0.248 0.2921 0.27 0.3191 RANDOM 136.26
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] -39.6645 -24.7703 35.1785 4.486
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 2.71 t_omega_torsion 2.03 t_angle_deg 0.95 t_bond_d 0.009 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 2.71 t_omega_torsion 2.03 t_angle_deg 0.95 t_bond_d 0.009 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5965 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 39
Software Software Software Name Purpose BUSTER refinement CrystFEL data reduction CrystFEL data scaling PHASER phasing