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CRYSTAL STRUCTURE OF CHITINASE A MUTANT E315Q COMPLEXED WITH OCTA-N-ACETYLCHITOOCTAOSE (NAG)8.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EDQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.2 298 0.75 M CITRATE-NA PH 7.2 AND 20% (V/V) METHANOL, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 3.2 61.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 200.44 α = 90 b = 131.617 β = 90 c = 59.344 γ = 90
Symmetry Space Group C 2 2 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 IMAGE PLATE MARRESEARCH Rh coated pre-mirror and segmented, bent mirror 1999-04-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B EMBL/DESY, HAMBURG BW7B
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 10 99 0.05 16.5 4.1 61168 61168 20.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.97 100 0.24 5.9 4.1 6114
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) 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 1edq 1.9 10 61157 61157 3107 99 0.175 0.175 0.173 0.1671 0.217 0.2037 RANDOM 26.37
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 p_transverse_tor 24.3 p_staggered_tor 12.5 p_planar_tor 6.6 p_scangle_it 2.78 p_mcangle_it 2.02 p_scbond_it 1.83 p_mcbond_it 1.45 p_multtor_nbd 0.246 p_xyhbond_nbd 0.227 p_singtor_nbd 0.175
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 24.3 p_staggered_tor 12.5 p_planar_tor 6.6 p_scangle_it 2.78 p_mcangle_it 2.02 p_scbond_it 1.83 p_mcbond_it 1.45 p_multtor_nbd 0.246 p_xyhbond_nbd 0.227 p_singtor_nbd 0.175 p_chiral_restr 0.15 p_planar_d 0.036 p_angle_d 0.028 p_bond_d 0.012 p_plane_restr 0.012
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4137 Nucleic Acid Atoms Solvent Atoms 806 Heterogen Atoms 113
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing REFMAC refinement