1Y5O

NMR structure of the amino-terminal domain from the Tfb1 subunit of yeast TFIIH

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.2 MM TFB1 [UNLABELED], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 100% D2O; 1.2 MM TFB1 [U-15N], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 90% H2O, 10% D2O; 1.2 MM TFB1 [U-15N,13C], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 100% D2O		20 mM SODIUM PHOSPHATE	6.5	AMBIENT	300
2	3D 15N-EDITED NOESY -HSQC	1.2 MM TFB1 [UNLABELED], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 100% D2O; 1.2 MM TFB1 [U-15N], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 90% H2O, 10% D2O; 1.2 MM TFB1 [U-15N,13C], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 100% D2O		20 mM SODIUM PHOSPHATE	6.5	AMBIENT	300
3	2D 1H-15N HSQC	1.2 MM TFB1 [UNLABELED], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 100% D2O; 1.2 MM TFB1 [U-15N], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 90% H2O, 10% D2O; 1.2 MM TFB1 [U-15N,13C], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 100% D2O		20 mM SODIUM PHOSPHATE	6.5	AMBIENT	300
4	3D 13C- EDITED HMQC-NOESY	1.2 MM TFB1 [UNLABELED], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 100% D2O; 1.2 MM TFB1 [U-15N], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 90% H2O, 10% D2O; 1.2 MM TFB1 [U-15N,13C], 20 MM PHOSPHATE BUFFER, 1MM EDTA, 100% D2O		20 mM SODIUM PHOSPHATE	6.5	AMBIENT	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITY	500
2	Varian	UNITY	600
3	Varian	UNITY	800

NMR Refinement
Method	Details	Software
SIMULATED ANNEALING, WITH A COMBINATION OF TORSION ANGLE DYNAMICS AND CARTESIAN DYNAMICS.	THE THREE-DIMENSIONAL STRUCTURES OF THE AMINO-TERMINAL DOMAIN OF TFB1 WERE DETERMINED USING A SET OF 1208 NOE-DERIVED DISTANCE RESTRAINTS, 124 BACKBONE DIHEDRAL ANGLE (PHI AND PSI) RESTRAINTS AND 20 DISTANCE RESTRAINTS FROM HYDROGEN BONDS.	CNS

NMR Ensemble Information
Conformer Selection Criteria	THE SUBMITTED MODELS ARE THE 20 STRUCTURES WITH NO UPPER BOUND VIOLATION GREATER THAN 0.2 ARMSTRONG, NO DIHEDRAL ANGLE RESTRAINT VIOLATION GREATER THAN 2 DEGREES AND WITH THE LOWEST ENERGIES.
Conformers Calculated Total Number	62
Conformers Submitted Total Number	20
Representative Model	1 (n/a)

Additional NMR Experimental Information
Details	LOWEST ENERGY

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS	1.0	BRUNGER, ADAMS, CLORE, DELANO, GROS, GROSSE- KUNSTLEVE, JIANG, KUSZEWSKI, NILGES, PANNU, READ, RICE, SIMONSON, WARREN
2	structure solution	VNMR 6.1.C	6.1.C
3	structure solution	NMRPipe	2.2
4	structure solution	NMRView	5.0.4
5	structure solution	CNS	1.0

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.