2BVK

Hyaluronan: the local solution conformation determined by NMR and computer modelling is close to a contracted left-handed four-fold helix

SOLUTION NMR - THEORETICAL MODEL

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	[1H-15N] HSQC				6.0		298
2	[1H-1H-15N] NOESY-H				6.0		298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	GE	OMEGA	600

NMR Refinement
Method	Details	Software
MOLECULAR DYNAMICS CONFIRMED BY BA CALCULATION OF EXPERIMENTAL NMR PA		CHARMM

NMR Ensemble Information
Conformer Selection Criteria	AVERAGE CONFORMATION FROM A 50 NAN MOLECULAR DYNAMICS TRAJECTORY THAT EXPLICIT SOLVENT WATER AND CHARGE SODIUM IONS. THE 1-3 AND 1-4 LINKA FIXED AT (50.78, 9.78) AND (47.98, RESPECTIVELY USING THE H1-C1-OX-HX NOMENCLATURE
Conformers Calculated Total Number	250000
Conformers Submitted Total Number	1

Additional NMR Experimental Information
Details	IONS AND WATER WERE REMOVED TO GENERATE ATOMIC COORDINATES

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CHARMM		BROOKS,BRUCCOLERI,OLAFSEN,STATES, SWAMINATHAN, KARPLUS
2	structure solution	CHARMM

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.