9EVG | pdb_00009evg

X-ray crystal structure of a de novo designed parallel coiled-coil heterohexamer with 3 heptad repeats, CCHex2-AB-g

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	0.1 M Sodium HEPES 7.5 20 % v/v Jeffamine M-600

Crystal Properties
Matthews coefficient	Solvent content
2.27	45.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.676	α = 90
b = 94.612	β = 91.75
c = 51.116	γ = 90

Symmetry
Space Group	P 1 21 1

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 PILATUS3 6M		2021-08-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I24	0.9795	Diamond	I24

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	1.9	47.31	99.87	0.114	0.1189	0.03329	0.997	11.57	13.2		24363			29.29

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	1.9	1.971	99.26		0.2568	0.2673	0.0735	0.975	1.59	13.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (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 DIFFRACTION	AB INITIO PHASING	FREE R-VALUE	1.9	47.31	1.44	24350	1134	99.87	0.2009	0.1997	0.2038	0.2265	0.2306	33.32

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	16.5059
f_angle_d	0.5661
f_chiral_restr	0.0332
f_plane_restr	0.0025
f_bond_d	0.0023

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1753
Nucleic Acid Atoms
Solvent Atoms	79
Heterogen Atoms	79

Software

Software
Software Name	Purpose
PHENIX	refinement
DIALS	data reduction
DIALS	data scaling
Arcimboldo	phasing