7B2F

Solution structure of the Pax NRPS docking domain PaxB NDD

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	300 uM [U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE III HD 800
2	3D HNCO	300 uM [U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE III HD 800
7	3D HNCACB	300 uM [U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE III HD 700
6	3D HBHA(CO)NH	300 uM [U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE III HD 800
15	3D C(CO)NH	300 uM [U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE II 600
14	3D H(CCO)NH	300 uM [U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE II 600
3	3D 1H-15N NOESY	300 uM [U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE II 600
8	2D 1H-13C HSQC aliphatic	300 uM [U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE II 600
4	3D 1H-13C NOESY aliphatic	300 uM [U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE II 600
5	2D 1H-13C HSQC aliphatic	300 uM [U-10% 13C; U-15N] PaxB NDD, 50 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-2H] D2O, 100 uM DSS	95% H2O/5% D2O	100 mM	6.5	AMBIENT bar	293	Bruker AVANCE III HD 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III HD	800
2	Bruker	AVANCE II	600
3	Bruker	AVANCE III HD	700

NMR Refinement
Method	Details	Software
torsion angle dynamics		CYANA
molecular dynamics		OPALp

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	20
Conformers Submitted Total Number	20
Representative Model	1 (target function)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	TopSpin	3.6.2	Bruker Biospin
2	chemical shift assignment	CARA	1.8.4.2	Keller and Wuthrich
3	peak picking	CcpNmr Analysis	2.4.2	CCPN
4	structure calculation	CYANA	3.98	Guntert, Mumenthaler and Wuthrich
5	refinement	OPALp		Koradi, Billeter and Guntert