8ARF

Crystal structure of the N-terminal parallel dimeric coiled-coil region of the human kinetochore associated protein Spindly

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	300	Bis-Tris Propane pH 6.5; 19% PEG3350; 0.2M KSCN

Crystal Properties
Matthews coefficient	Solvent content
3.73	67.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 112.507	α = 90
b = 112.507	β = 90
c = 49.642	γ = 120

Symmetry
Space Group	P 32 2 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 PILATUS 6M		2018-11-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE MASSIF-1	0.966000	ESRF	MASSIF-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	2.8	48.72	99.3	0.079	0.05	0.999	10.8	5.4		9079

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.95			1.558	0.97	0.718	1.5

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	FREE R-VALUE	2.8	48.72	9068	432	99.191	0.251	0.2492	0.2898	92.609

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]
-3.132	-1.566		-3.132		10.159

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	47.421
r_dihedral_angle_3_deg	28.291
r_dihedral_angle_4_deg	24.672
r_lrange_it	18.02
r_lrange_other	18.018
r_scangle_it	14.16
r_scangle_other	14.154
r_scbond_it	8.894
r_scbond_other	8.889
r_mcangle_other	7.73
r_mcangle_it	7.724
r_dihedral_angle_1_deg	5.471
r_mcbond_it	5.383
r_mcbond_other	5.334
r_angle_refined_deg	1.887
r_angle_other_deg	1.381
r_nbd_refined	0.396
r_symmetry_nbd_other	0.261
r_nbd_other	0.259
r_symmetry_nbd_refined	0.202
r_symmetry_xyhbond_nbd_refined	0.195
r_nbtor_refined	0.188
r_xyhbond_nbd_refined	0.126
r_chiral_restr	0.102
r_symmetry_nbtor_other	0.09
r_bond_refined_d	0.019
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1598
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
CRANK2	phasing