7A1T

A collapsed hexameric state of a de novo coiled-coil assembly: CC-Type2-(GgLaId)4-W19BrPhe.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	292	After 1:1 dilution with the peptide solution, the resulting conditions were 50 mM sodium HEPES buffer, 500 mM sodium acetate and 25 mM cadmium sulfate (8/3)-hydrate

Crystal Properties
Matthews coefficient	Solvent content
2.51	50.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.646	α = 90
b = 129.687	β = 90
c = 59.141	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	PIXEL	DECTRIS PILATUS 6M-F		2017-05-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9187	DIAMOND	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim 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	1.42	59.12	100	0.082	0.085	0.024	0.999	15	12.8		37216			18.19

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.42	1.46	100		2.47	2.572	0.709	0.502	1.1	12.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.42	47.22	35293	1885	99.91	0.1513	0.1491	0.1932	RANDOM	28.175

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]
-0.71			1.26		-0.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.908
r_dihedral_angle_3_deg	13.558
r_angle_other_deg	11.189
r_dihedral_angle_1_deg	9.953
r_rigid_bond_restr	5.675
r_angle_refined_deg	2.099
r_chiral_restr	0.116
r_bond_refined_d	0.021
r_gen_planes_refined	0.01
r_gen_planes_other	0.006

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.908
r_dihedral_angle_3_deg	13.558
r_angle_other_deg	11.189
r_dihedral_angle_1_deg	9.953
r_rigid_bond_restr	5.675
r_angle_refined_deg	2.099
r_chiral_restr	0.116
r_bond_refined_d	0.021
r_gen_planes_refined	0.01
r_gen_planes_other	0.006
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1319
Nucleic Acid Atoms
Solvent Atoms	79
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
DIALS	data reduction
xia2	data scaling
CRANK2	phasing

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.