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Crystal structure of integrin a4b1 headpiece in complex with Firategrast (Mg)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9CZF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 293 20% PEG-3350, 100 mM succinic acid
Crystal Properties Matthews coefficient Solvent content 2.36 47.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.888 α = 90 b = 109.399 β = 90 c = 124.726 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 PILATUS3 6M 2024-07-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1) 0.97626 PETRA III, EMBL c/o DESY P13 (MX1)
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 2.15 62.36 99.48 0.14 8.3 7.5 62298
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) 1 2.15 2.22 2.31
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 2.15 62.36 1.34 62075 3122 99.48 0.219 0.2177 0.2253 0.2454 0.2537
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 20.76 f_angle_d 0.628 f_chiral_restr 0.051 f_bond_d 0.004 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7983 Nucleic Acid Atoms Solvent Atoms 171 Heterogen Atoms 243
Software Software Software Name Purpose PHENIX refinement PDB_EXTRACT data extraction DIALS data reduction Aimless data scaling PHASER phasing