2KJ8

NMR structure of fragment 87-196 from the putative phage integrase IntS of E. coli: Northeast Structural Genomics Consortium target ER652A, PSI-2

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 1H-15N NOESY	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
2	3D 1H-13C NOESY	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
3	3D HCCH-COSY	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
4	3D HNCO	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
5	3D HNCA	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
6	3D HNCACB	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
7	3D HBHA(CO)NH	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
8	3D CBCA(CO)NH	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
9	3D C(CO)NH	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
10	3D HNHA	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
11	2D 1H-15N HSQC	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
12	2D 1H-13C HSQC	95 % H2O, 5 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 0.95 mM [biosynthetically directed 5%C; U-99% 15N] protein	95% H2O/5% D2O	215	6.5	ambient	293
13	4D 1H-13C-13C-1H HMQC-NOESY-HMQC	100 % [U-2H] D2O, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 w/v sodium azide, 1.2 mM [U-99% 13C; U-99% 15N] protein	100% D2O	215	6.5	ambient	293

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	750

NMR Refinement
Method	Details	Software
simulated annealing	final refinement with LJ and electrostatic potential conducted in explicit water	Sparky

NMR Ensemble Information
Conformer Selection Criteria	low restraint violations and energies
Conformers Calculated Total Number	40
Conformers Submitted Total Number	20
Representative Model	1 (no criteria)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	Sparky		Goddard
2	data analysis	Sparky		Goddard
3	structure solution	AutoStructure		Huang, Tejero, Powers and Montelione
4	processing	Felix		Accelrys Software Inc.
5	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
6	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read

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 R01GM133198.