1IXU

Solution structure of marinostatin, a protease inhibitor, containing two ester linkages

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1mM Marinostatin	90% H2O/10% D2O		3.0	ambient	278

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

NMR Refinement
Method	Details	Software
simulated annealing	There are two ester linkages. One is located between the side-chains of THR 3-ASP 9, the other between SER 8-ASP 11.	UXNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest violation
Conformers Calculated Total Number	50
Conformers Submitted Total Number	1
Representative Model	1 (fewest violations)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	UXNMR	9410001.2
2	data analysis	Felix	2.3
3	refinement	NMRchitect	2.0

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.