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Neutron structure of cellulase Cel6A from Phanerochaete chrysosporium at room temperature, low-D2O-solvent
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5XCY
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 polyethylene glycol 3350,
sodium chloride,
2-methyl-2,4-pentandiol,
acetate buffer,
Crystal Properties Matthews coefficient Solvent content 2.2 44.06
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.35 α = 90 b = 67.92 β = 90 c = 89.79 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 298 PIXEL DECTRIS PILATUS 2M 2017-04-16 M SINGLE WAVELENGTH 2 1 neutron 298 DIFFRACTOMETER iBIX 2017-02-05 L LAUE
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PHOTON FACTORY BEAMLINE AR-NE3A 1.0 Photon Factory AR-NE3A 2 SPALLATION SOURCE J-PARC MLF BEAMLINE BL-03 2.9-5.6 JPARC MLF BL-03
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) 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 1.4 100 96.9 0.075 23.3 6.7 65352 12.52 2 2.15 20.9 91.2 0.289 6.2 2.2 18875
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.4 1.42 0.432 2 2.15 2.23 0.54
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) 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 1.4 47.12 1.37 65296 3290 96.92 0.1461 0.1452 0.1443 0.1635 0.162 20.29 NEUTRON DIFFRACTION MOLECULAR REPLACEMENT 2.15 20.4 18124 94.73 0.1554 0.1767
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.3738 f_angle_d 1.0437 f_chiral_restr 0.0813 f_bond_d 0.0114 f_plane_restr 0.0085
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2710 Nucleic Acid Atoms Solvent Atoms 246 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement PHENIX phasing STARGazer data reduction