2Z2D

Solution structure of human macrophage elastase (MMP-12) catalytic domain complexed with a gamma-keto butanoic acid inhibitor

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	0.5mM MMP-12 U-15N, 13C; 10mM deuterated Tris, 10mM CaCl2, 0.1mM ZnCl2, 0.1M NaCl; 90% H2O, 10% D2O	90% H2O/10% D2O	0.1M NaCl	6.8	ambient	298
2	3D_13C-separated_NOESY	0.5mM MMP-12 U-15N, 13C; 10mM deuterated Tris, 10mM CaCl2, 0.1mM ZnCl2, 0.1M NaCl; 99.9% D2O	99.9% D2O	0.1M NaCl	6.8	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600

NMR Refinement
Method	Details	Software
Distance geometry, simulated annealing, torsion angle dynamics		VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	15
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy. All NMR experiments for protein assignments and structure calculations were acquired on Varian Unity Inova 600 MHz spectrometers, which equipped with a triple resonance CRYO-probe with z axis pulse field gradient.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1c
2	processing	NMRPipe	2.5	Frank Delaglio
3	data analysis	Sparky	3.112	Goddard TD, Kneller DG
4	structure solution	CYANA	2.1	Peter Guntert, Torsten Herrmann
5	refinement	CYANA	2.1	Peter Guntert, Torsten Herrmann

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.