Skip to main content

De novo design of binder (#13136) to monomeric Cu/Zn-superoxide dismutase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFoldThe starting model was predicted using AlphaFold2 implemented in ColabFold (Mirdita et al., 2022).

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP62770.2M zinc acetate, 10% (w/v) polyethylene glycol 8000, 0.1M MES pH 6.0
Crystal Properties
Matthews coefficientSolvent content
5.1776.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.71α = 90
b = 93.71β = 90
c = 137.799γ = 90
Symmetry
Space GroupP 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2024-12-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL45XU1.0SPring-8BL45XU

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
1347.7699.950.0520.0520.99616.0222384673.15
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
133.111000.3520.3520.7082.22

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT347.7622707113799.970.198440.196130.19650.243150.2426RANDOM69.84
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]
1.231.23-2.45
RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_refined16.481
r_long_range_B_other16.479
r_dihedral_angle_3_deg16.462
r_scangle_other15.096
r_scbond_it9.801
r_scbond_other9.793
r_mcangle_it9.34
r_mcangle_other9.339
r_dihedral_angle_1_deg7.034
r_mcbond_it6.411
RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_refined16.481
r_long_range_B_other16.479
r_dihedral_angle_3_deg16.462
r_scangle_other15.096
r_scbond_it9.801
r_scbond_other9.793
r_mcangle_it9.34
r_mcangle_other9.339
r_dihedral_angle_1_deg7.034
r_mcbond_it6.411
r_mcbond_other6.409
r_angle_refined_deg2.028
r_angle_other_deg0.683
r_chiral_restr0.093
r_bond_refined_d0.008
r_gen_planes_refined0.006
r_bond_other_d0.001
r_gen_planes_other0.001
r_dihedral_angle_2_deg
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 AtomsNumber
Protein Atoms3706
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms15

Software

Software
Software NamePurpose
XDSdata reduction
Aimlessdata scaling
MOLREPphasing
BUCCANEERmodel building
Cootmodel building
REFMACrefinement