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Structure of the NapB subunit of the periplasmic nitrate reductase from Haemophilus influenzae.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 296 ammonium sulphate, pH 5.5, VAPOR DIFFUSION, HANGING DROP at 296K
Crystal Properties Matthews coefficient Solvent content 1.67 26.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.752 α = 90 b = 78.752 β = 90 c = 29.047 γ = 90
Symmetry Space Group P 4 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 173 CCD MARRESEARCH 2000-08-14 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID13 0.9640 ESRF ID13
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 1.24 10 84.4 0.089 17 22337 28
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) 1.24 1.3 65.5 0.316 1.37
Refinement Statistics Diffraction ID Structure Solution Method 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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD 1.25 10 20831 20831 1092 0.1596 0.1596 0.1702 0.2141 RANDOM 26.855
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 s_zero_chiral_vol 0.077 s_non_zero_chiral_vol 0.071 s_angle_d 0.033 s_from_restr_planes 0.0264 s_bond_d 0.015
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 473 Nucleic Acid Atoms Solvent Atoms 128 Heterogen Atoms 86
Software Software Software Name Purpose MLPHARE phasing SHELXL-97 refinement DENZO data reduction SCALEPACK data scaling