2MFZ

NMR structure of C-terminal domain from A. ventricosus minor ampullate spidroin (MiSp)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-1, 20 mM sodium phosphate-2, 20 mM sodium chloride-3, 0.03 % sodium azide-4, 8 % [U-100% 2H] D2O-5, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298
2	3D HNCA	1 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-1, 20 mM sodium phosphate-2, 20 mM sodium chloride-3, 0.03 % sodium azide-4, 8 % [U-100% 2H] D2O-5, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298
3	3D CBCA(CO)NH	1 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-1, 20 mM sodium phosphate-2, 20 mM sodium chloride-3, 0.03 % sodium azide-4, 8 % [U-100% 2H] D2O-5, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298
4	3D HNCO	1 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-1, 20 mM sodium phosphate-2, 20 mM sodium chloride-3, 0.03 % sodium azide-4, 8 % [U-100% 2H] D2O-5, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298
5	3D HN(CA)CO	1 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-1, 20 mM sodium phosphate-2, 20 mM sodium chloride-3, 0.03 % sodium azide-4, 8 % [U-100% 2H] D2O-5, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298
6	3D 1H-15N NOESY	1 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-1, 20 mM sodium phosphate-2, 20 mM sodium chloride-3, 0.03 % sodium azide-4, 8 % [U-100% 2H] D2O-5, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298
7	3D 1H-13C NOESY aliphatic	1 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-1, 20 mM sodium phosphate-2, 20 mM sodium chloride-3, 0.03 % sodium azide-4, 8 % [U-100% 2H] D2O-5, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298
8	3D 1H-13C NOESY aromatic	1 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-1, 20 mM sodium phosphate-2, 20 mM sodium chloride-3, 0.03 % sodium azide-4, 8 % [U-100% 2H] D2O-5, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298
9	3D 13C,15N filtered 1H-13C NOESY aliphatic	0.25 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-6, 0.25 mM Minor ampullate spidroin CT-7, 20 mM sodium phosphate-8, 20 mM sodium chloride-9, 0.03 % sodium azide-10, 8 % [U-100% 2H] D2O-11, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298
10	2D 1H-15N HSQC	0.25 mM [U-99% 13C; U-99% 15N] Minor ampullate spidroin CT-6, 0.25 mM Minor ampullate spidroin CT-7, 20 mM sodium phosphate-8, 20 mM sodium chloride-9, 0.03 % sodium azide-10, 8 % [U-100% 2H] D2O-11, 92% H2O/8% D2O		0.0688	6.8	ambient atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics	Used for structure refinement, Used for structure calculation	CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
2	refinement	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read
3	chemical shift assignment	CARA		Keller and Wuthrich
4	data analysis	CARA		Keller and Wuthrich
5	peak picking	UNIO		T. Herrmann, F. Fiorito, J. Volk
6	collection	VNMRJ		Varian
7	processing	TOPSPIN		Bruker Biospin
8	refinement	CYANA

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.