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Crystal Structure of Psychrophilic Subtilisin-like Protease Apa1 from Antarctic Psychrotroph Pseudoalteromonas sp. AS-11
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BH6
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 298 30% PEG5000MME, 0.1M sodium sulfate, 0.1M Tris, 1mM calcium chloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 3.1 59.99
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 122.942 α = 90 b = 138.476 β = 97.48 c = 64.772 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 100 CCD ADSC QUANTUM 4 2003-11-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL40B2 1.00 SPring-8 BL40B2
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 1.78 45.75 98.2 0.077 7.5 102883 101031 -3 11.1
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 1.78 1.84 94.1 0.317 6.4 9661
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-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 1BH6 1.8 36.62 96318 9629 97.2 0.196 0.196 0.1972 0.215 0.1966 RANDOM 15.6
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] 0.45 1.51 2.16 -2.61
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25 c_scangle_it 2.27 c_scbond_it 1.65 c_mcangle_it 1.39 c_angle_deg 1.3 c_mcbond_it 0.98 c_improper_angle_d 0.7 c_bond_d 0.005 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25 c_scangle_it 2.27 c_scbond_it 1.65 c_mcangle_it 1.39 c_angle_deg 1.3 c_mcbond_it 0.98 c_improper_angle_d 0.7 c_bond_d 0.005 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6265 Nucleic Acid Atoms Solvent Atoms 461 Heterogen Atoms 37
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling CNS phasing