2GW6

NMR structure of the human tRNA endonuclease SEN15 subunit

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1H,15N-HSQC	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
2	1H,13C-HSQC	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
3	HNCACB	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
4	1H,13C-HSQC	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
5	CBCACONH	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
6	CCONH	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
7	HCCHTOCSY	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
8	HBACONH	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
9	13C-EDITED 1H,1H-NOESY	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
10	15C-EDITED 1H,1H-NOESY	20 mM BIS-TRIS, 100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
11	13C,15N filtered, 13C EDITED 1H,1H-NOESY	20 mM BIS-TRIS,100mM NaCl, 10 mM DTT, 0.5 mM 13C, 15N-LABELED SEN15_HUMAN, 0.5 mM UNLABELED SEN15_HUMAN, 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303
12	IPAP 1H,15N-HSQC	20 mM BIS-TRIS,100mM NaCl, 10 mM DTT, 0.5 mM 15N-LABELED SEN15_HUMAN, 17mg/ml Pf1 phage	90% H2O/10% D2O	100 mM NaCl	6.0	1 atm	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	500
2	Varian	INOVA	600

NMR Refinement
Method	Details	Software
torsion angle dynamics,simulated annealing,distance geometry	STRUCTURES ARE BASED ON A TOTAL OF 4516 NOE RESTRAINTS (1704 INTRA, 1038 SEQUENTIAL, 802 MEDIUM, 862 LONG RANGE INTERMOLECULAR AND 110 INTERMOLECULAR), 182 H BOND RESTRAINTS, AND 326 PHI AND PSI DIHEDRAL ANGLE CONSTRAINTS	VNMR

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	1.1
2	collection	XwinNMR	2.6
3	processing	NMRPipe	97.027.12.56	Delagio, F. et al.
4	data analysis	Sparky	3.72	Goddard, T.D. and Kneller, D.G.
5	structure solution	CYANA	2.1	Guntert, P.
6	refinement	Xplor-NIH	2.9.8	Schwieters, C.D. et al.