6Q5O | pdb_00006q5o

Crystal structure of a CC-Hex mutant that forms an antiparallel four-helix coiled coil CC-Hex*-LL

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	293	0.6 M potassium sodium tartrate tetrahydrate, 50 mM Tris

Crystal Properties
Matthews coefficient	Solvent content
1.81	31.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 28.868	α = 90
b = 29.378	β = 90
c = 55.119	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	80	PIXEL	DECTRIS PILATUS3 6M		2018-10-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.77999	Diamond	I03

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	27.56	99.9	0.05	0.054	0.021	0.999	15.5	12.5		13041

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	1.017	100		4.401	4.769	1.826	0.45	0.4	12.8

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1	27.56	12350	691	99.92	0.17017	0.16793	0.18	0.21193	0.21	RANDOM	19.543

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]
1.32			-0.38		-0.94

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.584
r_dihedral_angle_3_deg	16.372
r_long_range_B_refined	3.816
r_dihedral_angle_1_deg	3.611
r_long_range_B_other	3.505
r_rigid_bond_restr	2.64
r_scangle_other	2.167
r_scbond_it	1.851
r_scbond_other	1.83
r_angle_refined_deg	1.816
r_mcangle_it	1.726
r_mcangle_other	1.64
r_angle_other_deg	1.521
r_mcbond_it	1.357
r_mcbond_other	1.269
r_chiral_restr	0.082
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_gen_planes_other	0.003
r_bond_other_d	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_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	226
Nucleic Acid Atoms
Solvent Atoms	26
Heterogen Atoms

Software

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