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. Author manuscript; available in PMC: 2015 Oct 23.
Published in final edited form as: J Mol Biol. 2008 Apr 9;380(1):51–66. doi: 10.1016/j.jmb.2008.03.076

Table 1.

ClyA-mediated display of enzymatically active proteins

Construct Cell surface activity OMV activity
β-lactamase (Bla) [ΔA486/min] [ΔA486/min]
pBAD18-Kan 0.03 0.02
pΔss-Bla 0.47 0.98
pClyA-Bla 8.53 7.05
pBla-ClyA 1.43 1.65
Organophosphorus hydrolase (OPH) [U*1000/OD600] [U*1000/g total protein]
pBAD24 0.09 0.04
pOPH 0.36 1.63
pClyA-OPH 11.62 81.63
pOPH-ClyA 0.22 8.19
β-galactosidase (LacZ) [ΔA420/min] [ΔA420/min]
pBAD24 0.02 0.02
pLacZ 0.02 (7.21) 0.03
pClyA-LacZ 0.04 (8.33) 0.03

Values in parentheses represent activity in the cytoplasmic fraction.

All values represent the average of 3 replicate experiments where the standard error was <5%.