8UMS

Site-specific Aspartic Acid Dehydration and Isomerization in Streptococcal Protein GB1: L-isoAsp40 Variant

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	0.18 mM B1 Domain of Streptococcal Protein G, L-isoAsp40 Variant, 20 mM sodium phosphate, 0.1 mM DSS	90% H2O/10% D2O	41 mM	7	1 atm	298	Bruker AVANCE III 700
2	2D 1H-1H COSY	0.18 mM B1 Domain of Streptococcal Protein G, L-isoAsp40 Variant, 20 mM sodium phosphate, 0.1 mM DSS	90% H2O/10% D2O	41 mM	7	1 atm	298	Bruker AVANCE III 700
3	2D 1H-1H NOESY	0.18 mM B1 Domain of Streptococcal Protein G, L-isoAsp40 Variant, 20 mM sodium phosphate, 0.1 mM DSS	90% H2O/10% D2O	41 mM	7	1 atm	298	Bruker AVANCE III 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	700

NMR Refinement
Method	Details	Software
simulated annealing		ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	TopSpin		Bruker Biospin
2	data analysis	NMRFAM-SPARKY		Lee, Tonelli, Markley
3	refinement	ARIA		Linge, O'Donoghue and Nilges
4	structure calculation	ARIA		Linge, O'Donoghue and Nilges