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Structures of two elapid snake venom metalloproteases with distinct activities highlight the disulfide patterns in the D domain of ADAMalysin family proteins
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ERO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5 293 7% PEG6000, 0.1M SODIUM CITRATE, pH 5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.73 54.97
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 91.65 α = 90 b = 91.65 β = 90 c = 124.235 γ = 90
Symmetry Space Group P 43 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 110 CCD ADSC QUANTUM 315 2006-07-18 M SINGLE WAVELENGTH 2 1 x-ray 110 CCD ADSC QUANTUM 210 2006-10-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSRRC BEAMLINE BL13B1 NSRRC BL13B1 2 SYNCHROTRON SPRING-8 BEAMLINE BL12B2 SPring-8 BL12B2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.48 50 96.6 0.048 43.8 19.9 18724
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.48 2.59 100 0.268
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) 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 2ERO 2.5 30 17673 1759 93.4 0.225 0.225 0.224 0.2225 0.234 0.2302 RANDOM 50.03
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]
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 2.75 c_bond_d 0.033 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
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 2.75 c_bond_d 0.033 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 c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3207 Nucleic Acid Atoms Solvent Atoms 75 Heterogen Atoms 18
Software Software Software Name Purpose MOLREP phasing CNS refinement HKL-2000 data reduction HKL-2000 data scaling