6Q5J

Crystal structure of a CC-Hex mutant that forms a parallel six-helix coiled coil CC-Hex*-L24E

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	100 mM NaCl, 50 mM MES buffer and 10% w/v PEG 2000 MME at pH 6.0

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.073	α = 90
b = 55.073	β = 90
c = 138.94	γ = 90

Symmetry
Space Group	P 42 21 2

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		2018-03-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.97628	Diamond	I03

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	1.69	46.32	100	0.193	0.197	1	10.6	24.5	610321	24910

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	1.69	1.73	100		1.154	1.178	0.235	0.505		24.6

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.69	43.19	23595	1209	99.77	0.21813	0.21609	0.25792	RANDOM	28.122

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]
1.1			1.1		-2.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.959
r_dihedral_angle_3_deg	13.867
r_long_range_B_refined	8.744
r_long_range_B_other	8.503
r_scangle_other	7.765
r_scbond_it	5.864
r_scbond_other	5.855
r_dihedral_angle_1_deg	5.025
r_mcangle_other	3.759
r_mcangle_it	3.758
r_mcbond_it	3.01
r_mcbond_other	2.891
r_angle_refined_deg	1.618
r_angle_other_deg	1.138
r_chiral_restr	0.104
r_bond_refined_d	0.013
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1309
Nucleic Acid Atoms
Solvent Atoms	210
Heterogen Atoms	24

Software

Software
Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
Aimless	data scaling
PHASER	phasing