1K0T

NMR SOLUTION STRUCTURE OF UNBOUND, OXIDIZED PHOTOSYSTEM I SUBUNIT PSAC, CONTAINING [4FE-4S] CLUSTERS FA AND FB

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.60	1 atm	285.00
2	2D DQF-COSY	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.60	1 atm	285.00
3	2D TOCSY	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.60	1 atm	285.00
4	1D-NOE	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.60	1 atm	285.00
5	3D HSQC-NOESY	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.60	1 atm	285.00
6	3D-HSQC-TOCSY	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.60	1 atm	285.00
7	1H-15N HSQC	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.60	1 atm	285.00
8	HNHA	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.60	1 atm	285.00
9	TOCSY	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.6	1 atm	298.00
10	2D NOESY	2.5mM PsaC U-15N; 25mM phosphate buffer pH=7.6; 90% H2O, 10% D2O	90% H2O/10% D2O	25 mM	7.6	1 atm	298.00

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE 800	800
2	Bruker	AVANCE 600	600
3	Bruker	DRX 500	500

NMR Refinement
Method	Details	Software
torsion angle dynamics combined with a simulated annealing algorithm		DYANA

NMR Ensemble Information
Conformer Selection Criteria	LEAST RESTRAINT VIOLATIONS
Conformers Calculated Total Number	400
Conformers Submitted Total Number	30

Additional NMR Experimental Information
Details	THE STRUCTURE WAS DETERMINED USING 1H AND 15N NMR SPECTROSCOPY. EXPERIMENTAL DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	DYANA	1.5	Guentert P, Mumenthaler C., Wuethrich K.
2	refinement	DYANA	1.5	Guentert P, Mumenthaler C., Wuethrich K.

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.