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Orthorhombic form of human IgA1 Fab fragment, sharing same Fv as IgG
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3M8O PDB ENTRY 3M8O
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 3.8 293 1.8M (NH4)2SO4, 0.1M PO4/citrate, pH 3.8, vapor diffusion, sitting drop, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.69 54.33
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 49.78 α = 90 b = 95.85 β = 90 c = 107.29 γ = 90
Symmetry Space Group P 21 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 108 IMAGE PLATE MAR scanner 345 mm plate 2009-06-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.2 47.925 100 0.104 9.8 3.5 26858 26858 33.23
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Rrim I (All) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.32 100 0.49 0.49 0.58 0.305 1.6 3.5 3861
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 ENTRY 3M8O 2.2 18.15 26771 26771 1352 99.75 0.1837 0.1837 0.1815 0.1898 0.2241 0.2325 RANDOM 33.7879
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] 1.4372 4.1694 -5.6066
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 18.1 t_omega_torsion 3.46 t_angle_deg 1.22 t_bond_d 0.01 t_dihedral_angle_d t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 18.1 t_omega_torsion 3.46 t_angle_deg 1.22 t_bond_d 0.01 t_dihedral_angle_d t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_pseud_angle 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 3288 Nucleic Acid Atoms Solvent Atoms 234 Heterogen Atoms 18
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling BUSTER-TNT refinement PDB_EXTRACT data extraction MAR345dtb data collection AMoRE phasing BUSTER refinement