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Crystal structure of the ectodomain complex of the CGRP receptor, a Class-B GPCR, reveals the site of drug antagonism
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 298 1-1.3M ammonium sulfate, 6-8% dioxane, 60-80mM MES pH 6.5, 10mM Tris pH8.5 and 200mM sodium nitrate.
The crystals were transfered to 2.1M NaMalonate (pH 7.0) prior to freezing in liquid nitrogen., VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 4.61 73.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 118 α = 90 b = 118 β = 90 c = 225.4 γ = 120
Symmetry Space Group P 32 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 315 2006-09-29 M SAD 2 1 x-ray 100 CCD ADSC QUANTUM 315 2006-09-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 0.9804 ALS 5.0.2 2 SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 ALS 5.0.2
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 1,2 2.8 50 84.9 0.065 17.9 3.3 39158
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) 2.8 2.9 36 0.319 2.4
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 THROUGHOUT 2.8 27.12 37201 1845 0.2151 0.2138 0.2489 0.2408 0.2721 RANDOM 97.39
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] -15.5692 -15.5692 31.1385
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 21.29 t_omega_torsion 2.44 t_angle_deg 1.06 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 21.29 t_omega_torsion 2.44 t_angle_deg 1.06 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 5324 Nucleic Acid Atoms Solvent Atoms 53 Heterogen Atoms 80
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling BUSTER-TNT refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling SHARP phasing BUSTER refinement