2RO4

RDC-refined Solution Structure of the N-terminal DNA Recognition Domain of the Bacillus subtilis Transition-state Regulator AbrB

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	20mM potassium phosphate, 15mM potassium chloride, 1mM EDTA, 1mM DTT, 0.02% sodium azide	90% H2O/10% D2O	15	5.8	ambient	305
2	2D 1H-15N IPAP HSQC	20mM potassium phosphate, 15mM potassium chloride, 1mM EDTA, 1mM DTT, 0.02% sodium azide	90% H2O/10% D2O	15	5.8	ambient	305

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing	The structures are based on 3090 NOE-derived distance constraints, 48 hydrogen bonds, 140 dihedral angle restraints, and 48 residual dipolar couplings restraints	ARIA

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

Additional NMR Experimental Information
Details	Experiments to measure residual dipolar couplings were collected and used to refine the previously released structure of AbrBN

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	ARIA	1.2	Linge, O'Donoghue and Nilges
2	structure solution	ARIA	1.2	Linge, O'Donoghue and Nilges
3	data analysis	NMRView	5.0	Johnson, One Moon Scientific
4	data analysis	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
5	refinement	ARIA	1.2	Linge, O'Donoghue and Nilges

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.