1L4S | pdb_00001l4s

Solution structure of ribosome associated factor Y

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	2 mM pY, U-15N; 10mM sodium phosphate; 50 mM NACL;pH 5.7; 93% H2O, 7% D2O	93% H2O/7% D2O	10 mM phosphate Na; 50 mM NACL	5.7	ambient	304.5
2	2D NOESY	2 mM pY, U-15N; 10mM sodium phosphate; 50 mM NACL;pH 5.7; 100% D2O	100% D2O	10 mM phosphate Na; 50 mM NACL	5.7	ambient	304.5
3	3D_13C-separated_NOESY	1.5 mM pY, U-15N,13C; 10mM sodium phosphate; 50 mM NACL;pH 5.7; 100% D2O	100% D2O	10 mM phosphate Na; 50 mM NACL	5.7	ambient	304.5
4	HNHA	2 mM pY, U-15N; 10mM sodium phosphate; 50 mM NACL;pH 5.7; 93% H2O, 7% D2O	93% H2O/7% D2O	10 mM phosphate Na; 50 mM NACL	5.7	ambient	304.5
5	J-modulated-HSQC	1.5 mM pY, U-15N,13C; 10mM sodium phosphate; 50 mM NACL;pH 5.7; 100% D2O	100% D2O	20 mM potassium phosphate	6.6	ambient	313

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	600

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics	The structure are based on a total of 2207 restraints, 1507 unambiguous and 408 ambiguous NOE-derived distance constraints, 72 distance constraints from hydrogen bonds, 75 dihedral angle constraints, 65 JHNHA coupling constraints, 80 dipolar coupling constraints.	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	30
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1B	Varian Associates, Inc.
2	processing	Felix	98	MSI
3	data analysis	NMRView	5.0	Johnson, B.A, & Blevins, R.A.
4	refinement	CNS	1.0	Brunger, A.T. et al.