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Structure of a cyclic beta-hairpin peptide derived from neuronal nitric oxide synthase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QAV
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 277 25% (w/v) PEG3350, 0.1 M bis-tris, pH 5.5
Crystal Properties Matthews coefficient Solvent content 2.77 55.56
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.196 α = 90 b = 46.196 β = 90 c = 51.649 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 100 PIXEL DECTRIS EIGER X 16M 2019-09-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06SA 1.0 SLS X06SA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) 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 1.59 46.2 98.3 0.049 0.999 44.2 25.5 7791 25.016625655
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.59 1.62 90.7 0.29 0.987 10
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1QAV 1.59 32.67 1.35479441299 7772 709 97.748710854 0.211253425464 0.208614950995 0.2156 0.236529729554 0.2414 31.0686918595
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 f_dihedral_angle_d 19.6164886629 f_angle_d 1.0042413181 f_chiral_restr 0.0476826603507 f_plane_restr 0.00727157867262 f_bond_d 0.00524631338763
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 336 Nucleic Acid Atoms Solvent Atoms 38 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing