6X1I

Two-Component D3 Assembly Constructed by Fusing Symmetric Oligomers to Coiled Coils

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277.15	Reagent Well: - 10ul of Silver Bullets additive screen reagent B9: 0.25% w/v Hexamminecobalt(III) chloride, 0.25% w/v Salicylamide, 0.25% w/v Sulfanilamide, 0.25% w/v Vanillic acid, 0.02 M HEPES sodium pH 6.8 - 90ul of crystallization reagent: 0.10 M Sodium Acetate pH 5.4, 66% MPD Drop: - 2:1 protein sample to well reagent ratio - Protein sample: 2.8mg/ml of purified protein in 0.5M NaCl, 5% Glycerol, 2.8mM beta-mercaptoethanol, 50 mM Tris pH 7.5, 5mM MgCl2 sample buffer

Crystal Properties
Matthews coefficient	Solvent content
3.52	65.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 146.34	α = 90
b = 146.34	β = 90
c = 146.34	γ = 90

Symmetry
Space Group	P 43 3 2

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 PILATUS 6M-F		2015-11-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9790	APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim 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	4.32	84.5	99.7	0.095	0.099	1	14.4	17.657		3945			237.211

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	4.32	4.44	96.9		2.374	2.449	0.411	1.3	16.765

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1WY1, 3DXO	4.32	84.49	1.35	3910	391	99.47	0.2796	0.2778	0.2926	267.69

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
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.7134
f_angle_d	0.9202
f_chiral_restr	0.0522
f_bond_d	0.0042
f_plane_restr	0.0039

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2507
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.