1PC0

NMR Structure of the Archaeal Homologue of RNase P Protein Rpp29

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1.8 mM Rpp29 U-15N;10mM postassium phosphate pH 5.8 100mM sodium Chloride 10mM sodium azide	90% H2O/10% D2O	100mM	5.8	ambient	303
2	3D_13C-separated_NOESY	1.8 mM Rpp29 U-15N; U-13C; 10mM postassium phosphate pH 5.8 100mM sodium Chloride 10mM sodium azide	90% H2O/10% D2O
3	3D_15N-separated_NOESY	1.8 mM Rpp29 U-15N;10mM postassium phosphate pH 3.0 100mM sodium Chloride 10mM sodium azide	90% H2O/10% D2O	100mM	3.0	ambient	303
4	2D NOESY	1.8 mM Rpp29; 10mM postassium phosphate pH 5.8 100mM sodium Chloride 10mM sodium azide	90% H2O/10% D2O
5	2D NOESY	1.8 mM Rpp29; 10mM postassium phosphate pH 3.0 100mM sodium Chloride 10mM sodium azide	90% H2O/10% D2O
6	2D NOESY	1.8 mM Rpp29; 10mM postassium phosphate pH 5.8 100mM sodium Chloride 10mM sodium azide	100% D2O

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	the structures are based on a total of 651 restraints, 554 are NOE-derived distance constraints, 70 dihedral angle restraints,27 distance restraints from hydrogen bonds.	CNS

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

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear and 3D heteronuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS	1.1	Brunger, A. T.