1CE4

CONFORMATIONAL MODEL FOR THE CONSENSUS V3 LOOP OF THE ENVELOPE PROTEIN GP120 OF HIV-1

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	TOCSY	10% D2O/70% WATER/20% D3-TRIFLUOROETHANOL			2.5	1 atm	290
2	NOESY	10% D2O/70% WATER/20% D3-TRIFLUOROETHANOL			2.5	1 atm	290
3	CT-NOESY	10% D2O/70% WATER/20% D3-TRIFLUOROETHANOL			2.5	1 atm	290

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AM	500

NMR Refinement
Method	Details	Software
distance geometry	THE 20 STRUCTURES WITH LOWEST TARGET FUNCTION FROM DIANA WERE ENERGY MINIMIZED IN THE AMBER FORCE FIELD USING 500 ITERATIONS STEEPEST DESCENT FOLLOWED BY 500 ITERATIONS CONJUGATE GRADIENT MINIMIZATION.	Discover

NMR Ensemble Information
Conformer Selection Criteria	LOWEST TARGET FUNCTION
Conformers Calculated Total Number	500
Conformers Submitted Total Number	20
Representative Model	1 (n/a)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Discover		BIOSYM
2	structure solution	UXNMR
3	structure solution	Pronto
4	structure solution	DIANA

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.