De novo designed single-chain antiparallel coiled-coil hairpin with binding site for MCL-1, Sc-apCC-2-MCL-1-3 in complex with MCL-1


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52930.03 M Magnesium chloride hexahydrate, 0.03 M Calcium chloride dihydrate, 0.01 M Tris, 0.01M BICINE, 2.5% v/v MPD; 12.5% PEG1000; 12.5% w/v PEG3350
Crystal Properties
Matthews coefficientSolvent content
1.9837.74

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.194α = 90
b = 57.952β = 114.239
c = 63.079γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 XE 16M2025-05-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.95374DiamondI04

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
1257.5299.31118.913.72776831.36
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.070.96

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-VALUE257.521.3527658259499.310.21040.20810.20820.25580.256130.62
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_d14.0963
f_angle_d1.1301
f_chiral_restr0.0633
f_bond_d0.0141
f_plane_restr0.0125
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3300
Nucleic Acid Atoms
Solvent Atoms142
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
DIALSdata reduction
Aimlessdata scaling
PHASERphasing