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Selection of specific protein binders for pre-defined targets from an optimized library of artificial helicoidal repeat proteins (alphaRep)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3LTM 3LTM, 4JW2 experimental model PDB 4JW2 3LTM, 4JW2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.5 293 25% PEG3,350; 0.2 M MgCl2; 0.1 M BisTris , pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.07 40.59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 118.21 α = 90 b = 59.21 β = 90 c = 65.53 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 100 PIXEL PSI PILATUS 6M 2012-02-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SOLEIL BEAMLINE PROXIMA 1 0.97918 SOLEIL PROXIMA 1
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 2.6 50 95.8 0.057 15.7 3.9 14697 14080 2 2 72.53
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.6 2.76 96.3 0.55 2.6 3.9
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 3LTM, 4JW2 2.6 33.77 14697 14054 704 95.48 0.2258 0.2258 0.2238 0.2321 0.2635 0.2859 RANDOM 76.68
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] -8.0221 -15.3707 23.3928
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 20.55 t_omega_torsion 2.51 t_angle_deg 1.12 t_bond_d 0.01 t_dihedral_angle_d t_trig_c_planes t_gen_planes t_it t_chiral_improper_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3089 Nucleic Acid Atoms Solvent Atoms 6 Heterogen Atoms
Software Software Software Name Purpose ADSC data collection MOLREP phasing BUSTER refinement XDS data reduction XSCALE data scaling