Table 3.

GFP variants used in this study.

GFP variant	Mutations relative to wtGFP	Reference
GFPmut3b	S65G, S72A	21
GFPsa	S65G, S72A, F99S, M153T, V163A	This study
EGFP	F64L, S65T	4
mEmerald	F64L, S65T, S72A, N149K, M153T, I167T, A206K	4
Citrine	S65G, S72A, V68L, Q69M, T203Y	30
Cerulean	F64L, S65T, Y66W, S72A, Y145A, N146I, H148D, M153T, V163A	31
1EMF(BFP)	F64L, Y66H, V163A	32
EBFP	F64L, S65T, Y66H, Y145F	33
P4-3E(BFP)	F64L, Y66H, Y145F, V163A	34