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Crystal structure of the porcine carboxypeptidase B - Anabaenopeptin B complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NSA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 293 1ul 16 mg/ml Protein with 40 mM Epsilon-amino caproic acid in water was equilibrated agains 14-20% PEG8000, 100 mM K-Cacodylate, pH 6.5 in a hanging drop Setup. The complex was prepared by soaking a CPB Crystal overnight in a drop of Reservoir solution with 10 mM Anabaenopeptin.
Crystal Properties Matthews coefficient Solvent content 2.11 41.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 124.78 α = 90 b = 124.78 β = 90 c = 48.9 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 210 2006-03-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 0.934 ESRF ID14-1
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 2.02 54.04 98.1 0.099 10.6 2.9 54773 -3 18
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 2.02 2.08 97.6 0.331 3.4 2.9
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 FREE R-VALUE 1NSA 2.02 54.04 54769 2739 98.09 0.176 0.1777 0.229 0.2265 Random selection 18.02
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] 0.948 -0.409 0.948 -1.897
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7488 Nucleic Acid Atoms Solvent Atoms 1756 Heterogen Atoms 3
Software Software Software Name Purpose CNX refinement XDS data reduction XSCALE data scaling CNX phasing