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Maltose-bound maltose sensor engineered by insertion of circularly permuted green fluorescent protein into E. coli maltose binding protein at position 175
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3EK4 PDB entries 3EK4, 1ANF experimental model PDB 1ANF PDB entries 3EK4, 1ANF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 296 0.5 M Ammonium sulfate, 0.1M Sodium citrate tribasic dihydrate pH 5.6, 1.0 M Lithium sulfate monohydrate, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Crystal Properties Matthews coefficient Solvent content 2.92 57.84
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.262 α = 90 b = 88.686 β = 90 c = 119.36 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 CCD RAYONIX MX225HE 2010-07-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 31-ID 0.9793 APS 31-ID
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 1.9 31.41 99.9 0.096 14.4 11.1 68612 26.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 2 100
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entries 3EK4, 1ANF 1.9 29.06 65035 3486 99.89 0.16663 0.16489 0.1738 0.19921 0.2021 RANDOM 29.188
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] -0.88 0.91 -0.02
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.785 r_dihedral_angle_3_deg 14.998 r_dihedral_angle_4_deg 14.948 r_dihedral_angle_1_deg 6.193 r_scangle_it 5.667 r_scbond_it 3.578 r_mcangle_it 2.226 r_angle_refined_deg 2.019 r_mcbond_it 1.274 r_angle_other_deg 1.258
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.785 r_dihedral_angle_3_deg 14.998 r_dihedral_angle_4_deg 14.948 r_dihedral_angle_1_deg 6.193 r_scangle_it 5.667 r_scbond_it 3.578 r_mcangle_it 2.226 r_angle_refined_deg 2.019 r_mcbond_it 1.274 r_angle_other_deg 1.258 r_mcbond_other 0.436 r_chiral_restr 0.159 r_bond_refined_d 0.027 r_gen_planes_refined 0.011 r_gen_planes_other 0.002 r_bond_other_d 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4783 Nucleic Acid Atoms Solvent Atoms 294 Heterogen Atoms 33
Software Software Software Name Purpose spec data collection PHASER phasing REFMAC refinement MOSFLM data reduction SCALA data scaling