Experiment: 1AXP

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	NOESY				7.0		303
2	COSY				7.0		303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITY	500
2	Varian	UNITYPLUS	600

NMR Refinement
Method	Details	Software
simulated annealing	DISTANCE CONSTRAINTS FOR GLYCOSIDIC TORSION ANGLES, DEOXYRIBOSE PSEUDOROTATIONAL PHASE ANGLES AND AMPLITUDES CALCULATED FROM NOE BUILD-UP CURVES AND COUPLING CONSTANTS BY A LEAST SQUARES/GRID-SEARCH METHOD IMPLEMENTED IN NUCFIT AND PFIT (A.N. LANE, NIMR, UK). INTERNUCLEOTIDE DISTANCE CONSTRAINTS CALCULATED FROM NOE BUILD-UP CURVES. STRUCTURES CALCULATED BY SIMULATED ANNEALING/RMD PROTOCOL WITHIN DISCOVER 95.0 USING AN AMBER FORCEFIELD AND A DISTANCE DEPENDENT DIELECTRIC CONSTANT.	Discover

NMR Ensemble Information
Conformer Selection Criteria	LOWEST POTENTIAL ENERGY AND MINIMAL VIOLATIONS AND ACCEPTABLE STEREOCHEMISTRY
Conformers Calculated Total Number	32
Conformers Submitted Total Number	6

Additional NMR Experimental Information
Details	THE ASSIGNMENTS, NOES AND COUPLING CONSTANTS DETERMINED FROM 2D HOMONUCLEAR NMR EXPERIMENTS USING UNLABELLED SAMPLE.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Discover	95.0	MOLECULAR SIMULATIONS INC.
2	structure solution	Felix	95.0
3	structure solution	NUCFIT
4	structure solution	pfit
5	structure solution	DISCOVER 95.0 (INSIGHT II)	II)

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.