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Crystal structure of streptavidin mutant (M2) where the L3,4 loop was replace by that of avidin
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 293 PEG 4000, 0.1M NaAc, 0.1M NaCac, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.19 43.71
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.355 α = 90 b = 85.08 β = 98.17 c = 57.694 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 110 CCD ADSC QUANTUM 4 2002-12-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-4 1.003 ESRF ID14-4
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 1.14 56.8 0.037 12.4 2 148143 1 1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1.14 56.8 148143 7818 96.97 0.182 0.18022 0.17914 0.20029 RANDOM 13.743
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] -0.08 -0.23 0.39 -0.37
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 6.985 r_scangle_it 2.47 r_sphericity_bonded 2.121 r_sphericity_free 2.092 r_scbond_it 1.593 r_mcangle_it 1.418 r_angle_refined_deg 1.247 r_rigid_bond_restr 0.874 r_mcbond_it 0.841 r_angle_other_deg 0.763
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 6.985 r_scangle_it 2.47 r_sphericity_bonded 2.121 r_sphericity_free 2.092 r_scbond_it 1.593 r_mcangle_it 1.418 r_angle_refined_deg 1.247 r_rigid_bond_restr 0.874 r_mcbond_it 0.841 r_angle_other_deg 0.763 r_nbd_other 0.259 r_nbd_refined 0.188 r_symmetry_vdw_other 0.174 r_xyhbond_nbd_refined 0.135 r_symmetry_vdw_refined 0.115 r_nbtor_other 0.083 r_symmetry_hbond_refined 0.079 r_chiral_restr 0.078 r_bond_refined_d 0.007 r_gen_planes_refined 0.004 r_gen_planes_other 0.003 r_bond_other_d 0.002 r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_nbtor_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_hbond_other r_mcbond_other
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3559 Nucleic Acid Atoms Solvent Atoms 598 Heterogen Atoms 100
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing