☰ Navigation Tabs
A possible role of the second calcium ion in interfacial binding: Atomic and medium resolution crystal structures of the quadruple mutant of phospholipase A2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1UNE 1UNE, 1MKT experimental model PDB 1MKT 1UNE, 1MKT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7.2 293 The crystallization droplet contained 5 micro litre of protein (18 to 20 mg/ml) in 50 mM tris buffer with 2 micro litre of MPD (60%) and the reservoir contained 70% of MPD., pH 7.2, VAPOR DIFFUSION, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.17 43.24
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.58 α = 90 b = 48.69 β = 102.3 c = 67.55 γ = 90
Symmetry Space Group C 1 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 293 IMAGE PLATE RIGAKU M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE MACSCIENCE 1.5418
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 14.69 94.7 0.093 13356 13356
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) 1.9 1.99 0.458 1507
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1UNE, 1MKT 1.9 14.69 13340 1071 94.7 0.207 0.2035 0.24 0.2368 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] -0.15 -0.28 0.49 -0.34
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1906 Nucleic Acid Atoms Solvent Atoms 234 Heterogen Atoms 4
Software Software Software Name Purpose MAR345 data collection SCALEPACK data scaling AMoRE phasing CNS refinement