Table 3.

Some representative in-cell NMR studies.

System	Experimental Outcome	Reference
E. coli	Heteronuclear spectra of proteins were collected in living cells	[66]
E. coli	Protein structure was determined in living cells	[68]
Mammalian cells	In-cell NMR study of proteins that were delivered into cells was performed	[93]
Oocyte	Lanthanide tag was used in generating distance restraints in living cells	[115]
HEK293T	Protein was overexpressed in mammalian cells for in-cell NMR studies	[116]
E. coli	In-cell NMR was used to screening a library	[84]
M. smegmatis	The first application of in-cell NMR in target engagement	[117]
Hela	In-cell NMR study on DNA was carried out	[101]