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Crystal structure of the maltose-binding protein/maltose transporter complex in an outward-facing conformation bound to maltohexaose
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3RLF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 295 27% poly-ethylene glycol 400, 200 mM NaCl, 50 mM MgCl2, 100 mM sodium HEPES pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 3.86 68.1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.592 α = 85.3 b = 96.631 β = 79.11 c = 112.321 γ = 73
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 MARMOSAIC 300 mm CCD mirrors 2011-10-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.07216 APS 23-ID-D
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.38 20 95.9 122805 122805
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 2.38 2.49 86.8
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 (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 3RLF 2.38 19.82 107943 107943 5670 87.88 0.19387 0.19207 0.1955 0.22826 0.2283 RANDOM 85.321
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] 7.79 4.95 5.75 -2.18 -2.21 -2.4
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.666 r_dihedral_angle_4_deg 16.284 r_dihedral_angle_3_deg 15.376 r_dihedral_angle_1_deg 5.156 r_mcangle_it 2.48 r_scbond_it 1.616 r_mcbond_it 1.554 r_mcbond_other 1.554 r_angle_refined_deg 1.063 r_angle_other_deg 0.718
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.666 r_dihedral_angle_4_deg 16.284 r_dihedral_angle_3_deg 15.376 r_dihedral_angle_1_deg 5.156 r_mcangle_it 2.48 r_scbond_it 1.616 r_mcbond_it 1.554 r_mcbond_other 1.554 r_angle_refined_deg 1.063 r_angle_other_deg 0.718 r_chiral_restr 0.069 r_bond_refined_d 0.005 r_gen_planes_refined 0.004 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 14672 Nucleic Acid Atoms Solvent Atoms 508 Heterogen Atoms 416
Software Software Software Name Purpose HKL-2000 data collection PHASER phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling