2KI6

The FGF1-S100A13-C2A hetero-hexameric complex structure: A component in the non-classical pathway for FGF1 secretion

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
2	2D 1H-13C HSQC	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
3	3D HNCO	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
4	3D HNCA	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
5	3D CBCA(CO)NH	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
6	3D C(CO)NH	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
7	3D HBHA(CO)NH	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
8	3D HCCH-TOCSY	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
9	3D 1H-15N NOESY	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
10	3D 1H-13C NOESY	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
11	3D-13C-filter NOESy	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
12	3D-15N-filter NOESY	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298
13	3D H(CCO)NH	1.0mM [U-100% 13C; U-100% 15N] C2A domain of Syt1-1, 1.0mM FGF1-2, 1.0mM S100A13-3, S100A13-4, 25mM sodium phosphate-5, 100mM sodium chloride-6	90% H2O/10% D2O	0.1	6.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	Avance	800

NMR Refinement
Method	Details	Software
simulated annealing	CNS	ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	2000
Conformers Submitted Total Number	18
Representative Model	1 (fewest violations)

Additional NMR Experimental Information
Details	C2A(15N&13C labeled) mixed with unlabeled FGF1-S100A13 complex buffer condition (25mM PBD, 100mM NaCl and 2mM CaCl2)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	ARIA	1.2 &2.2	Linge, O'Donoghue and Nilges
2	refinement	CNSSOLVE	1.1 & 1.2	Brunger, Adams, Clore, Gros, Nilges and Read
3	structure solution	CNSSOLVE	1.1 & 1.2	Brunger, Adams, Clore, Gros, Nilges and Read
4	chemical shift assignment	SPARKY		Goddard
5	data analysis	SPARKY		Goddard
6	peak picking	SPARKY		Goddard
7	collection	TOPSPIN	1.3	Bruker Biospin
8	processing	TOPSPIN	1.3	Bruker Biospin

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.