. Author manuscript; available in PMC: 2008 Dec 8.

Published in final edited form as: J Med Chem. 2006 Mar 23;49(6):1991–1999. doi: 10.1021/jm051049o

Table 1.

¹⁹F chemical shifts ⁺ and hydrolytic rates ^*

Reporters	4	12	13	GFPOL
δ_{F (substrate)}	−3.02	−2.85	−2.14	−3.22
δ_{F (product)}	−12.37	−12.16	−11.22	−11.21
Δδ_F	9.35	9.31	9.08	7.99
ν_{(μmol/min/unit)}	34.0	35.0	38.0	4.3

⁺

ppm with respect to sodium trifluoroacetate.

β-gal (E801A) added at 37°C in PBS (0.1 M, pH=7.4).