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Crystal Structure of the beta-Glucosidase BglA9 in Complex with the Inhibitor Conduritol B Epoxide
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 289.15 Drop setup: 200 nl Protein + 200 nl Condition + 50 nl Seeding stock
Protein: 7 mg/ml in 50 mM Tris-HCl, 300 mM NaCl, pH 7.5, premixed with 5x molar excess of Conduritol beta-epoxide (CBE)
Condition: 0.2 M NaCl, 0.1 M MES, 45 % v/v Pentaerythritol propoxylate (5/4 PO/OH), pH 6.0
Crystal Properties Matthews coefficient Solvent content 3.56 65.44
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 99.441 α = 90 b = 99.441 β = 90 c = 67.394 γ = 120
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 EIGER X 4M 2026-07-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE MASSIF-3 0.96770 ESRF MASSIF-3
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) 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 1.74 53.13 92 0.068 0.991 4.1 2.2 70789
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.74 1.77 0.518 0.649 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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1.74 53.13 70785 3500 91.99 0.1535 0.1659 0.1802 0.1904 RANDOM 17.643
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] 0.55 0.27 0.55 -1.78
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3705 Nucleic Acid Atoms Solvent Atoms 288 Heterogen Atoms 12
Software Software Software Name Purpose REFMAC refinement autoPROC data reduction Aimless data scaling PHASER phasing