1Y6U

The Structure of the Excisionase (Xis) Protein from Conjugative Transposon Tn916 Provides Insights into the Regulation of Heterobivalent Tyrosine Recombinases

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1 mM 15N/13C labeled Xis, 30 mM NaOAc, 60 mM NaCl, 93% H2O, 7% D2O	30 mM NaOAc, pH 4.5, 60 mM NaCl, 93% H2O, 7% D2O	60 mM NaCl	4.5	Ambient	303
2	3D_15N-separated_NOESY	1 mM 15N/13C labeled Xis, 30 mM NaOAc, 60 mM NaCl, 93% H2O, 7% D2O	30 mM NaOAc, pH 4.5, 60 mM NaCl, 93% H2O, 7% D2O	60 mM NaCl	4.5	Ambient	303
3	4D_13C/15N-separated_NOESY	1 mM 15N/13C labeled Xis, 30 mM NaOAc, 60 mM NaCl, 93% H2O, 7% D2O	30 mM NaOAc, pH 4.5, 60 mM NaCl, 93% H2O, 7% D2O	60 mM NaCl	4.5	Ambient	303
4	HNCA-J	1 mM 15N/13C labeled Xis, 30 mM NaOAc, 60 mM NaCl, 93% H2O, 7% D2O	30 mM NaOAc, pH 4.5, 60 mM NaCl, 93% H2O, 7% D2O	60 mM NaCl	4.5	Ambient	303
5	HNHA	1 mM 15N/13C labeled Xis, 30 mM NaOAc, 60 mM NaCl, 93% H2O, 7% D2O	30 mM NaOAc, pH 4.5, 60 mM NaCl, 93% H2O, 7% D2O	60 mM NaCl	4.5	Ambient	303

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

NMR Refinement
Method	Details	Software
Hybrid distance geometry and simulated annealing calculations		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6
2	processing	X-PLOR	3.1
3	processing	NMRPipe	sgi6x
4	data analysis	PIPP	4.3.5
5	refinement	XPLOR-NIH