Structure of de novo designed doxorubicin binding protein with doxorubicin bound


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOtherChai-1 prediction of de novo designed protein

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP293500 mM HEPES, 489 mM Sodium Citrate,68.5 mM Sodium Chloride, 5 mM Sodium phosphate dibasic, 0.9 mM Potassium phosphate monobasic, 1.35 mM Potassium chloride, pH 7.25
Crystal Properties
Matthews coefficientSolvent content
1.9354.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.7α = 90
b = 42.7β = 90
c = 174.71γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 S 6M2026-03-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.11582ALS8.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)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
11.5687.3599.70.1770.1821935.32744125.66
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.561.591.5571.6093.830.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.5658.241.3627363199999.730.22110.21840.21770.25520.254134.81
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
KeyRefinement Restraint Deviation
f_dihedral_angle_d25.6801
f_angle_d0.9935
f_chiral_restr0.0531
f_bond_d0.0099
f_plane_restr0.0087
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1421
Nucleic Acid Atoms
Solvent Atoms62
Heterogen Atoms78

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing
Cootmodel building
Servalcatrefinement