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2.1 Ang structure of the dimerized PAS domain of signal transduction histidine kinase from Nostoc punctiforme PCC 73102 with homology to the H-NOXA/H-NOBA domain of the soluble guanylyl cyclase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other Truncated delta-7 H-NOXA structure
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 298 0.1M Hepes pH 7.5, 1.5M LiSO4, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.2 44.08
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 95.21 α = 90 b = 44.362 β = 104.51 c = 59.74 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 315 2006-06-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID APS 19-ID
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 2.1 50 87.4 0.119 10 3.4 12364
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) 1 2.1 2.18 59.8 0.456 1.6 1.9
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 Truncated delta-7 H-NOXA structure 2.11 25.26 11666 614 86.7 0.20232 0.19928 0.1981 0.262 0.2591 RANDOM 39.334
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] 0.01 -0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.145 r_dihedral_angle_4_deg 19.559 r_dihedral_angle_3_deg 17.051 r_scangle_it 6.644 r_dihedral_angle_1_deg 6.48 r_mcangle_it 4.91 r_scbond_it 4.74 r_mcbond_it 3.59 r_angle_refined_deg 1.349 r_nbtor_refined 0.315
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.145 r_dihedral_angle_4_deg 19.559 r_dihedral_angle_3_deg 17.051 r_scangle_it 6.644 r_dihedral_angle_1_deg 6.48 r_mcangle_it 4.91 r_scbond_it 4.74 r_mcbond_it 3.59 r_angle_refined_deg 1.349 r_nbtor_refined 0.315 r_nbd_refined 0.199 r_symmetry_vdw_refined 0.155 r_xyhbond_nbd_refined 0.147 r_symmetry_hbond_refined 0.136 r_chiral_restr 0.098 r_bond_refined_d 0.011 r_gen_planes_refined 0.005 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1732 Nucleic Acid Atoms Solvent Atoms 55 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement HKL-3000 data collection HKL-2000 data reduction PHASER phasing