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Structure of a cyclic beta-hairpin peptide derived from neuronal nitric oxide synthase (T112W/T116E variant)
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 16% (v/v) tert-butanol, 0.1 M sodium citrate pH 3.9
Crystal Properties Matthews coefficient Solvent content 1.71 28.21
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.739 α = 90 b = 29.872 β = 108.593 c = 58.94 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 PIXEL DECTRIS EIGER X 16M 2019-11-16 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 1.44 27.93 93.2 0.03 0.999 26.2 3.6 11979 14.1403650487
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 1.44 1.46 62.8 0.077 0.99 10.8 3.1
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-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1QAV 1.44 24.04 1.47833559702 11974 677 92.5490802288 0.153394317432 0.151544646339 0.183407647785 0.2261 17.9827115008
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 21.5219790826 f_angle_d 0.862355851752 f_chiral_restr 0.0703022326438 f_plane_restr 0.00577064021995 f_bond_d 0.00486271908691
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 717 Nucleic Acid Atoms Solvent Atoms 79 Heterogen Atoms 5
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing