1TKQ

SOLUTION STRUCTURE OF A LINKED UNSYMMETRIC GRAMICIDIN IN A MEMBRANE-ISOELECTRICAL SOLVENTS MIXTURE IN THE PRESENCE OF CsCl

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	3MM SATURATED WITH CSCL					293
2	2D NOESY	3MM SATURATED WITH CSCL					293

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing	THE STRUCTURES ARE BASED ON 160 NOE- DERIVED DISTANCE CONSTRAINTS, 39 DIHEDRAL ANGLE RESTRAINTS, AND 40 DISTANCE RESTRAINTS FROM HYDROGEN BONDS	SYBYL/DYANA 6.8

NMR Ensemble Information
Conformer Selection Criteria	MINIMIZED AVERAGE STRUCTURE OF 11 STRUCTURES WITH THE LOWEST TARGET FUNCTION
Conformers Calculated Total Number	50
Conformers Submitted Total Number	1
Representative Model	1 (n/a)

Additional NMR Experimental Information
Details	VARIABLE TEMPERATURE EXPERIMENTS WERE PERFORMED TO HAVE THE TEMPERATURE DEPENDENCE OF NH CHEMICAL SHIFTS, THEREFORE PROVIDE EVIDENCE FOR HYDROGEN BONDING.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	SYBYL/DYANA 6.8		GUENTERT
2	structure solution	SYBYL/DYANA 6.8

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.