6CT4

TFE-induced NMR structure of an antimicrobial peptide (EcDBS1R5) derived from a mercury transporter protein (MerP - Escherichia coli)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	1 mM na EcDBS1R5, 30 % na TFE, 60 % na H2O, 10 % na D2O, 10 % na DSS	trifluoroethanol/water	0	4.3	1 atm	298	Bruker AVANCE 600
2	2D 1H-1H NOESY	1 mM na EcDBS1R5, 30 % na TFE, 60 % na H2O, 10 % na D2O, 10 % na DSS	trifluoroethanol/water	0	4.3	1 atm	298	Bruker AVANCE 600
3	2D 1H-15N HSQC	1 mM na EcDBS1R5, 30 % na TFE, 60 % na H2O, 10 % na D2O, 10 % na DSS	trifluoroethanol/water	0	4.3	1 atm	298	Bruker AVANCE 600
4	2D 1H-13C HSQC	1 mM na EcDBS1R5, 30 % na TFE, 60 % na H2O, 10 % na D2O, 10 % na DSS	trifluoroethanol/water	0	4.3	1 atm	298	Bruker AVANCE 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
molecular dynamics	with simulated annealing; refinement in water	CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	CcpNMR		CCPN
2	peak picking	CcpNMR		CCPN
3	geometry optimization	TALOS		Cornilescu, Delaglio and Bax
4	data analysis	CYANA		Guntert, Mumenthaler and Wuthrich
5	structure calculation	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
6	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read

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 R01GM133198.