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Crystal structure of a complex formed between krait venom phospholipase A2 and heptanoic acid at 2.7 A resolution.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 298 0.05 M Tris-HCL, 2.4 M NaCl, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.26 45.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 53.79 α = 90 b = 53.79 β = 90 c = 82.5 γ = 90
Symmetry Space Group P 41 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 298 IMAGE PLATE MARRESEARCH mirrors 2003-04-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.7 20 90.1 0.17 0.17 5 2.34 3380 3380 -3 -3 38.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.7 2.8 90.3 0.403 0.403 1.2 2.34 568
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION THROUGHOUT 2.71 19.26 3380 180 93.9 0.20685 0.20685 0.23878 RANDOM 35
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] 1.89 1.89 -3.78
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.4 c_scangle_it 2.49 c_mcangle_it 1.98 c_scbond_it 1.6 c_angle_deg 1.4 c_mcbond_it 1.17 c_improper_angle_d 0.92 c_bond_d 0.009 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.4 c_scangle_it 2.49 c_mcangle_it 1.98 c_scbond_it 1.6 c_angle_deg 1.4 c_mcbond_it 1.17 c_improper_angle_d 0.92 c_bond_d 0.009 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 912 Nucleic Acid Atoms Solvent Atoms 61 Heterogen Atoms 10
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing