8P25

Solution structure of a chimeric U2AF2 RRM2 / FUBP1 N-Box

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 600
2	2D 1H-13C HSQC aromatic	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 900
15	HBCBCGCDHD	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	100% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 900
16	HBCBCGCDCEHE	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	100% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 900
3	2D 1H-13C HSQC aliphatic	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	100% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 600
4	3D CBCA(CO)NH	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 600
5	3D HNCACB	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 600
6	3D HNCO	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 600
7	3D HNCACO	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 600
8	3D H(CCO)NH	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 600
9	3D C(CO)NH	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 600
14	3D HNHA	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 500
10	3D HCCH-TOCSY	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	100% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 500
13	3D HCCH-TOCSY	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	100% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III 500
11	3D 1H-15N NOESY	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	90% H2O/10% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III HD 950
12	3D 1H-13C NOESY	0.6 mM [U-100% 13C; U-100% 15N] Chimeric construct of U2AF2 linker-RRM2 and FUBP1 N-box	100% D2O	50mM NaCl mM	6.5	1 atm	298	Bruker AVANCE III HD 950

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
4	Bruker	AVANCE III	500
1	Bruker	AVANCE III	600
2	Bruker	AVANCE III	900
3	Bruker	AVANCE III HD	950

NMR Refinement
Method	Details	Software
simulated annealing		ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	500
Conformers Submitted Total Number	10
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	ARIA	2.3	Linge, O'Donoghue and Nilges
2	structure calculation	CYANA	3.98.15	Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	NMRFAM-SPARKY		Lee W., Tonelli M., Markley J. L.
4	peak picking	NMRFAM-SPARKY		Lee W., Tonelli M., Markley J. L.
5	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
6	processing	TopSpin		Bruker Biospin
7	geometry optimization	TALOS+		Yang Shen, Frank Delaglio, Gabriel Cornilescu, and Ad Bax