1LM0

Solution structure and characterization of the heme chaperone CcmE

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298
2	2D TOCSY	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298
3	3D_13C-separated_NOESY	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298
4	3D_15N-separated_NOESY	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298
5	HNHA	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298
6	HNCO	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298
7	HNHB	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298
8	CBCANH	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298
9	CC(CO)NH	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298
10	CBCA(CO)NH	2.0 mM apoCcmE, 20 mM phosphate, 90% H2O, 10% D2O	90% H2O/10% D2O	20 mM phosphate	7.0	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dyanamics, restrained energy minimization	1866 meaningful NOEs and 89 dihedral angle constraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	the submitted conformer models are the 35 structures with the lowest target function
Conformers Calculated Total Number	400
Conformers Submitted Total Number	35
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy on 13C and 15N double labeled apoCcmE.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	XwinNMR	2.6	Bruker
2	data analysis	XEASY	1.3	Xia, Bartels
3	structure solution	DYANA	1.5	Gunter, Mumenthaler, Wuthrich
4	iterative matrix relaxation	CORMA		Borgias, Thomas, James
5	refinement	Amber	5.0	Pearlman, Case, Caldwell, Ross, Cheatham, Ferguson, Seibel, Singh, Weiner, Kollman