7UK1

Complex Structure of Human Polypyrimidine Splicing Factor (PSF/SFPQ) with Murine Virus-like 30S Transcript-1 (VS30-1) Reveals Cooperative Binding of RNA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	7	285.15	0.1 M MgCl2, 0.1 M HEPES pH 7.0, 15% (w/v),PEG4000, or 15% (w/v) PEG3500, or 20% PEG2000MME

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.451	α = 90
b = 64.658	β = 97.79
c = 68.837	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	80	PIXEL	DECTRIS PILATUS 6M		2016-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9792	APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	Rpim I (All)	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	2.69	48.87	98.9	0.91	0.129	17.1	44.1		17804

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.69	2.75			0.125

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	4wii	2.7	48.87	13876	762	98.43	0.2045	0.2	0.291	RANDOM	112.829

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]
2.71		-0.32	-7.2		4.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.532
r_dihedral_angle_3_deg	21.244
r_dihedral_angle_4_deg	20.363
r_dihedral_angle_1_deg	8.319
r_angle_refined_deg	1.68
r_chiral_restr	0.123
r_bond_refined_d	0.008
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4052
Nucleic Acid Atoms
Solvent Atoms	16
Heterogen Atoms	17

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
HKL-2000	data scaling
PDB_EXTRACT	data extraction
REFMAC	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.