7QDK

A trimeric de novo coiled-coil assembly: CC-TypeN-LaLd


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.42930.12 M (0.2M 1,6-Hexanediol; 0.2M 1-Butanol; 0.2M 1,2-Propanediol; 0.2M 2-Propanol; 0.2M 1,4-Butanediol; 0.2M 1,3-Propanediol),0.1 M (Imidazole; MES monohydrate (acid)), 37.5 % v/v (25% v/v MPD; 25% PEG 1000; 25% w/v PEG 3350) at pH 6.5
Crystal Properties
Matthews coefficientSolvent content
1.8332.76

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 22.22α = 90
b = 22.22β = 90
c = 128.32γ = 120
Symmetry
Space GroupP 31

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 XE 16M2020-12-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.919DiamondI04

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.4121.391000.071121.59.913714
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)RedundancyNumber Unique Reflections (All)
11.411.430.5660.92.96

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONAB INITIO PHASINGTHROUGHOUT1.4119.251299666099.870.14040.13880.1765RANDOM20.276
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]
-0.35-0.17-0.351.13
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg27.422
r_dihedral_angle_3_deg13.921
r_dihedral_angle_1_deg2.796
r_angle_other_deg1.4
r_rigid_bond_restr1.379
r_angle_refined_deg1.297
r_chiral_restr0.06
r_bond_refined_d0.007
r_gen_planes_refined0.005
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg27.422
r_dihedral_angle_3_deg13.921
r_dihedral_angle_1_deg2.796
r_angle_other_deg1.4
r_rigid_bond_restr1.379
r_angle_refined_deg1.297
r_chiral_restr0.06
r_bond_refined_d0.007
r_gen_planes_refined0.005
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms686
Nucleic Acid Atoms
Solvent Atoms91
Heterogen Atoms17

Software

Software
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
Arcimboldophasing