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OUTER MEMBRANE PHOSPHOLIPASE A FROM ESCHERICHIA COLI N156A ACTIVE SITE MUTANT PH 8.3
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QD5 1QD5 WITH ACTIVE SITE RESIDUES TRUNCATED TO ALA. ALL WATER AND DETERGENT MOLECULES REMOVED. ALL ATOMS WERE GIVEN A RANDOM SHIFT OF ALMOST 0.5 ANGSTROM.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.1 293 MPD, calcium chloride, bis-tris buffer pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.86 57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.462 α = 90 b = 78.462 β = 90 c = 101.424 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 120 IMAGE PLATE MAC Science DIP-2000 mirrors M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE ENRAF-NONIUS FR591 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.98 21 99.6 0.081 0.081 24.5 13.7 106289 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.98 3.03 100 0.34 0.34 7.9 372
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1QD5 WITH ACTIVE SITE RESIDUES
TRUNCATED TO ALA. ALL WATER AND
DETERGENT MOLECULES REMOVED. ALL
ATOMS WERE GIVEN A RANDOM SHIFT
OF ALMOST 0.5 ANGSTROM. 2.98 21 7725 7685 728 99.5 0.226 0.2304 0.266 0.2769 SAME SET AS USED FOR REFINEMENT
OF 1QD5. THAT SET WAS SELECTED
RANDOMLY.
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] -6.429 -10.776 -6.429 12.858
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.9 c_angle_d 1.5 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2128 Nucleic Acid Atoms Solvent Atoms 43 Heterogen Atoms 66
Software Software Software Name Purpose AMoRE phasing CNS refinement DENZO data reduction SCALEPACK data scaling CCP4 data scaling