7L51

Solution NMR structure of the dimeric form of the cyclic plant protein PDP-23 in H2O

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1D	2 mg/mL PDP-23	90% H2O/10% D2O	0 mM	5	ambient	298	Bruker AVANCE III HD 600
2	2D 1H-1H TOCSY	2 mg/mL PDP-23	90% H2O/10% D2O	0 mM	5	ambient	298	Bruker AVANCE III HD 600
3	2D 1H-1H NOESY	2 mg/mL PDP-23	90% H2O/10% D2O	0 mM	5	ambient	298	Bruker AVANCE III HD 600
4	2D 1H-15N HSQC	2 mg/mL PDP-23	90% H2O/10% D2O	0 mM	5	ambient	298	Bruker AVANCE III HD 700
5	2D 1H-13C HSQC	2 mg/mL PDP-23	90% H2O/10% D2O	0 mM	5	ambient	298	Bruker AVANCE III HD 700
7	2D 1H-1H TOCSY	2 mg/mL PDP-23	90% H2O/10% D2O	0 mM	5	ambient	288	Bruker AVANCE III HD 700
8	2D 1H-1H TOCSY	2 mg/mL PDP-23	90% H2O/10% D2O	0 mM	5	ambient	293	Bruker AVANCE III HD 700
9	2D 1H-1H TOCSY	2 mg/mL PDP-23	90% H2O/10% D2O	0 mM	5	ambient	303	Bruker AVANCE III HD 700
6	2D 1H-1H TOCSY	2 mg/mL PDP-23	90% H2O/10% D2O	0 mM	5	ambient	308	Bruker AVANCE III HD 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III HD	700
2	Bruker	AVANCE III HD	600

NMR Refinement
Method	Details	Software
simulated annealing	Simulated annealing using torsion angle dynamics	CYANA
simulated annealing	refinement in explicit water using cartesian space	CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry, structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
5	processing	TopSpin		Bruker Biospin
2	chemical shift assignment	CARA		Keller and Wuthrich
3	peak picking	CARA		Keller and Wuthrich
4	structure calculation	CYANA		Guntert, Mumenthaler and Wuthrich
6	structure calculation	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
7	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read