2KSC | pdb_00002ksc

Solution structure of Synechococcus sp. PCC 7002 hemoglobin

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 1H-15N NOESY	1-2 mM [U-100% 15N] holoprotein	90% H2O/10% D2O	0.025	7.2	ambient	298
2	3D 1H-13C NOESY	0.6-1.4 mM [U-100% 13C; U-100% 15N] holoprotein	90% H2O/10% D2O	0.025	7.2	ambient	298
3	2D 1H-1H NOESY	1-2 mM holoprotein	90% H2O/10% D2O	0.025	7.2	ambient	298
4	2D 1H-1H NOESY	1-4 mM holoprotein	100% D2O	0.025	7.2	ambient	298
5	3D HNHA	1-2 mM [U-100% 15N] holoprotein	90% H2O/10% D2O	0.025	7.2	ambient	298

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

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing, torsion angle dynamics	100 conformers, 30 conformers from 3/100 lowest energy DGSA refined conformers	X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	30
Conformers Submitted Total Number	16
Representative Model	1 (minimized average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH	2.23	Schwieters, Kuszewski, Tjandra and Clore
2	refinement	X-PLOR NIH	2.23	Schwieters, Kuszewski, Tjandra and Clore