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Crystal structure of the GLP1 receptor ECD with Peptide 11
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3C59
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 292 A 6-fold excess of peptide 11 was dissolved in a solution of 12 mg/ml GLP1R-ECD in 10 mM Tris buffer pH 7.5, 100 mM NaSulfate and 2% glycerol. 100 nl of this protein solution plus 100 nl reservoir solution were equilibrated against reservoir solution consisting of 10 mM CoCl2, 9.4 % (v/v) 1,6-hexanediol and 100 mM NaAcetate, pH 4.8. Crystals appeared after about one week.
Crystal Properties Matthews coefficient Solvent content 3.42 64.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.55 α = 90 b = 55.55 β = 90 c = 138.83 γ = 90
Symmetry Space Group P 43 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 PIXEL DECTRIS PILATUS 6M 2017-04-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X10SA 0.999920 SLS X10SA
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 2.73 51.57 100 0.075 0.075 22 12 6336 95.53
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) 1 2.73 2.87 100 1.096 1.096 2.3 12.8
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 3c59 2.73 51.57 6273 308 100 0.208 0.205 0.2165 0.262 0.2629 RANDOM 83.65
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] 9.7569 9.7569 -19.5139
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 22.38 t_omega_torsion 3.36 t_angle_deg 1.18 t_bond_d 0.01 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 22.38 t_omega_torsion 3.36 t_angle_deg 1.18 t_bond_d 0.01 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 1075 Nucleic Acid Atoms Solvent Atoms 42 Heterogen Atoms 33
Software Software Software Name Purpose BUSTER refinement XDS data reduction autoPROC data scaling SCALA data scaling PHASER phasing