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FSP1 (tetrapod ancestor; L323A mutant) bound to FAD and NAD+ and compound 2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9IFT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 293 -FSP1(L323A)-FAD-NAD+-2; 0.06 M MgCl2, 0.06 M CaCl2, 0.1 M HEPES/MOPS (acid) pH 7.5, 20% ethylene glycol, 20% PEG8000. Crystals were then soaked with 1 mM 2 added to the crystallisation drop.
Crystal Properties Matthews coefficient Solvent content 2.48 50.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.454 α = 90 b = 78.058 β = 98.93 c = 115.075 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 PIXEL DECTRIS PILATUS3 6M 2025-03-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE MASSIF-1 0.96546 ESRF MASSIF-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 2.4 78.06 96.1 0.146 0.18 0.104 0.973 7.4 2.7 29339
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.4 2.49 0.838 1 0.609 0.361 2.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 2.4 64.43 27840 1481 95.85 0.21889 0.21571 0.2249 0.27865 0.2796 RANDOM 31.277
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] 0.46 -0.73 -1.63 1.33
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 15.53 r_dihedral_angle_2_deg 11.865 r_long_range_B_refined 7.72 r_long_range_B_other 7.673 r_dihedral_angle_1_deg 7.67 r_scangle_other 5.509 r_mcangle_it 4.149 r_mcangle_other 4.148 r_scbond_it 3.461 r_scbond_other 3.461
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 15.53 r_dihedral_angle_2_deg 11.865 r_long_range_B_refined 7.72 r_long_range_B_other 7.673 r_dihedral_angle_1_deg 7.67 r_scangle_other 5.509 r_mcangle_it 4.149 r_mcangle_other 4.148 r_scbond_it 3.461 r_scbond_other 3.461 r_mcbond_it 2.61 r_mcbond_other 2.61 r_angle_refined_deg 1.472 r_angle_other_deg 0.482 r_chiral_restr 0.065 r_bond_refined_d 0.007 r_gen_planes_refined 0.006 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_dihedral_angle_4_deg r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5528 Nucleic Acid Atoms Solvent Atoms 161 Heterogen Atoms 228
Software Software Software Name Purpose REFMAC refinement Aimless data scaling XDS data reduction PHASER phasing