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FIVE-DOMAIN ALPHA-AMYLASE FROM BACILLUS STEAROTHERMOPHILUS, MALTOSE/ACARBOSE COMPLEX
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CDG
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6 19 MG ML-1 ENZYME IN 10MM TRIS-HCL BUFFER PH 6.0, 0.2M NACL,
5MM CACL2.
THE WELL SOLUTION CONTAINED 0.9M LI2SO4,
2.5% PEH 1450, 50MM TEA BUFFER (PH 6.5)
AND 100MM MALTOSE. 20MM ACARBOSE WAS
LATER SOAKED INTO CRYSTALS
Crystal Properties Matthews coefficient Solvent content 2.87 57.21
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 89.82 α = 90 b = 89.82 β = 90 c = 185.75 γ = 120
Symmetry Space Group P 31 2 1
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 LONG FOCUSSING MIRRORS M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
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 1.7 20 99.1 0.08 19.7 6.7 630805
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) 1.7 1.73 97.2 0.49 3.1 4.6
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-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1CDG 1.7 20 95281 1410 99.1 0.151 0.175 RANDOM
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 27.4 p_staggered_tor 11.4 p_planar_tor 4.3 p_scangle_it 3 p_scbond_it 2.3 p_mcangle_it 1.5 p_mcbond_it 1.2 p_multtor_nbd 0.24 p_singtor_nbd 0.171 p_chiral_restr 0.095
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 27.4 p_staggered_tor 11.4 p_planar_tor 4.3 p_scangle_it 3 p_scbond_it 2.3 p_mcangle_it 1.5 p_mcbond_it 1.2 p_multtor_nbd 0.24 p_singtor_nbd 0.171 p_chiral_restr 0.095 p_planar_d 0.025 p_angle_d 0.022 p_bond_d 0.007 p_plane_restr 0.006 p_angle_deg p_hb_or_metal_coord p_xhyhbond_nbd p_xyhbond_nbd p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5319 Nucleic Acid Atoms Solvent Atoms 1106 Heterogen Atoms 120
Software Software Software Name Purpose AMoRE phasing REFMAC refinement DENZO data reduction SCALEPACK data scaling