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Crystal structure of DESC1, a new member of the type II transmembrane serine proteinases family
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other Enteropeptidase
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 298 0.1 M Tris , 8 % (m/w) PEG 8000 , pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Crystal Properties Matthews coefficient Solvent content 2.64 53.41
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.9 α = 90 b = 70.2 β = 90 c = 80.2 γ = 90
Symmetry Space Group P 2 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 IMAGE PLATE MAR scanner 345 mm plate 2000-02-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 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 1.6 28 86.3 0.79 4.6 36411 31409 1.6 1.6 25.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.6 36411
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-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 THROUGHOUT Enteropeptidase 1.61 28 36411 31409 1556 87.1 0.21 0.21 0.21 0.1975 0.224 0.2128 RANDOM 24.3
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] -1 0.2 0.79
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 26.1 c_scangle_it 4.63 c_scbond_it 3.13 c_mcangle_it 2.63 c_mcbond_it 1.76 c_angle_deg 1.4 c_improper_angle_d 1.09 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1795 Nucleic Acid Atoms Solvent Atoms 126 Heterogen Atoms 9
Software Software Software Name Purpose CNS refinement MAR345 data collection MOSFLM data reduction CCP4 data scaling AMoRE phasing