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CRYSTAL STRUCTURE OF MG(II)-COMPLEX OF RNASE III ENDONUCLEASE DOMAIN FROM AQUIFEX AEOLICUS AT 2.30 ANGSTROM RESOLUTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1I4S PDB ID 1I4S
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 292 PEG4000, TRIS-HCL, ACETATE, CHLORIDE, pH 8.50, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties Matthews coefficient Solvent content 2.08 39.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 49.742 α = 90 b = 140.856 β = 117.29 c = 49.746 γ = 90
Symmetry Space Group P 1 21 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 MIRROR 2001-04-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X9B 1.04500 NSLS X9B
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 2.3 30 89.4 0.076 13.8929 2.822 24431 24431 32.8
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) 2.3 2.38 87.4 0.279 3.903 2.42 2407
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) 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 FREE R PDB ID 1I4S 2.3 30 2 4 22942 19661 1248 85.1 0.1918 0.197 0.199 0.2553 0.2393 RANDOM 34.611
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 2 5599
RMS Deviations Key Refinement Restraint Deviation s_similar_adp_cmpnt 0.079 s_non_zero_chiral_vol 0.026 s_zero_chiral_vol 0.019 s_anti_bump_dis_restr 0.019 s_from_restr_planes 0.018 s_angle_d 0.016 s_bond_d 0.004 s_similar_dist s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4929 Nucleic Acid Atoms Solvent Atoms 675 Heterogen Atoms 4
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing SHELXL-97 refinement