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Extending the half-life of a Fab fragment through generation of a humanised anti-Human Serum Albumin (HSA) Fv domain: an investigation into the correlation between affinity and serum half-life
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4G03 PDB ENTRY 4G03 AND FAB WWPDB SUBMISSION CODE 62161
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 1 0.1 M CITRIC ACID PH 4.4, 0.1 M DI-SODIUM HYDROGEN PHOSPHATE, 38% V/V ETHANOL, 5% V/V POLYETHYLENE GLYCOL 1000
Crystal Properties Matthews coefficient Solvent content 4.72 73.94
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 217.64 α = 90 b = 217.64 β = 90 c = 78.65 γ = 120
Symmetry Space Group P 31 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 PIXEL DECTRIS PILATUS 2012-03-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I02 Diamond I02
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 3.58 30 93.9 0.01 7.57 2.4 46115 1.6
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 3.58 3.79 86.1 0.04 1.64 1.9
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 4G03 AND FAB WWPDB SUBMISSION CODE 62161 3.6 30 24409 2405 97.6 0.2151 0.2151 0.2536 0.228 RANDOM
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] 13.946 13.946 -27.892
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.52 c_mcangle_it 2.16 c_scbond_it 1.47 c_angle_deg 1.44231 c_mcbond_it 1.2 c_bond_d 0.010461 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.52 c_mcangle_it 2.16 c_scbond_it 1.47 c_angle_deg 1.44231 c_mcbond_it 1.2 c_bond_d 0.010461 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7869 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose CNS refinement XDS data reduction XDS data scaling PHASER phasing