7LHQ

Solution structure of SARS-CoV-2 nonstructural protein 7 at pH 7.0

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	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
2	3D HNCACB	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
3	3D CBCA(CO)NH	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
4	3D HNCO	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
5	3D HN(CA)CO	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
6	2D 1H-13C HSQC aliphatic	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
7	3D C(CO)NH	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
8	3D HBHA(CO)NH	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
9	3D H(CCO)NH	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
10	3D H(C)CH-TOCSY aliphatic	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
11	3D 1H-13C NOESY aliphatic	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Varian VNMRS 600
12	2D 1H-13C HSQC aromatic	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Bruker AVANCE III 600
13	3D (HB)CB(CGCD)HE	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Bruker AVANCE III 600
14	3D H(C)CH-TOCSY aromatic	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Bruker AVANCE III 600
15	3D 1H-13C NOESY aromatic	1.7 mM [U-100% 13C; U-100% 15N] SARS-CoV-2 nsp7, 10 mM MOPS, 150 mM sodium chloride, 2 mM DTT, 0.025 % sodium azide	93% H2O/7% D2O	150 mM	7.0	1 atm	298	Bruker AVANCE III 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	VNMRS	600
2	Bruker	AVANCE III	600

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	400
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
3	structure calculation	PONDEROSA-C/S		Lee, Stark and Markley
4	chemical shift assignment	NMRFAM-SPARKY		Lee, Tonelli and Markley
5	peak picking	NMRFAM-SPARKY		Lee, Tonelli and Markley
6	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
7	collection	VNMR		Varian
8	collection	TopSpin		Bruker Biospin