Table 1. Collected Physicochemical Properties and In-Cell Relaxation Rates of the Reporter Proteins in Human A2780 Cells.

Protein	Mw (Da)	net chargea	R1	R2b
TTHApwt	7009	–1.47	2.08 ± 0.14	12.93 ± 0.02
TTHAE32K	7008	0.50	1.96 ± 0.50	22.62 ± 2.26
HAH1pwt	7353	0.94	2.12 ± 0.27	21.08 ± 4.41
HAH1K57E	7354	–1.08	2.04 ± 0.29	11.76 ± 1.56
SOD1barrel	10962	–0.70	1.55 ± 0.37	24.95 ± 2.67
SODR100E	10949	–2.50	1.74 ± 0.31	16.63 ± 2.26

^aNet charge calculated using propKa 3.0.⁵⁰

^bData from Leeb et al..¹⁰