2K18

Solution structure of bb' domains of human protein disulfide isomerase

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	2 mM [U-99% 13C; U-99% 15N] hPDI-bb, 25 mM sodium phosphate, 70 mM sodium chloride, 0.5 mM EDTA, 5 mM DTT	90% H2O/10% D2O	0.1	7.0	1 atm	303
2	2D 1H-13C HSQC	2 mM hPDI-bb, 25 mM sodium phosphate, 70 mM sodium chloride, 0.5 mM EDTA, 5 mM DTT	100% D2O	0.1	7.0	1 atm	303
3	3D 1H-15N NOESY	2 mM [U-99% 13C; U-99% 15N] hPDI-bb, 25 mM sodium phosphate, 70 mM sodium chloride, 0.5 mM EDTA, 5 mM DTT	90% H2O/10% D2O	0.1	7.0	1 atm	303
4	3D 1H-13C NOESY	2 mM hPDI-bb, 25 mM sodium phosphate, 70 mM sodium chloride, 0.5 mM EDTA, 5 mM DTT	100% D2O	0.1	7.0	1 atm	303
5	IPAP-HSQC	0.5 mM [U-99% 15N] hPDI-bb, 25 mM sodium phosphate, 70 mM sodium chloride, 0.5 mM EDTA, 5 mM DTT, 12 mg/mL Pf1 phages	90% H2O/10% D2O	0.1	7.0	1 atm	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	Unity Inova	800
2	Bruker	DRX	600

NMR Refinement
Method	Details	Software
simulated annealing	structure was refined by using standard protocol in CNS with restraints from NOE distances, backbone torsions, hydrogen bonds and residual dipolar couplings	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy and the least restraint violations
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	Structure was determined using multi-dimentional NMR spectroscopy

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	2.0	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	data analysis	XEASY	1.3.13	Bartels et al.
3	refinement	CNS	1.1	Brunger, Adams, Clore, Gros, Nilges and Read
4	data analysis	ARIA	1.1	Linge, O'Donoghue and Nilges
5	data analysis	TALOS		Cornilescu, Delaglio and Bax