A novel esterase gene cloned from a metagenomic library from neritic sediments of the South China Sea

Table 2 Effect of organic solvents and cations on activity of Est_p1

Solvent	Relative activity (%)			Cations	Relative activity (%)
	0.5 mM	1 mM	2 mM		0.5 mM	1 mM	2 mM
GITC	113 ± 0.8	104 ± 1	93.7 ± 8	Mg²⁺	97.6 ± 12	101 ± 0.03	86.7 ± 3
PMSF	104 ± 2	110 ± 3	99.5 ± 8	Ca²⁺	96.3 ± 3	86.5 ± 1	55.1 ± 3
PVPP	85.6 ± 3	73.5 ± 3	58.6 ± 3	Mn²⁺	78.0 ± 6	85.5 ± 3	63.5 ± 2
SDS	99.5 ± 2	71.5 ± 0.6	30.0 ± 1	Co²⁺	82.3 ± 6	79.6 ± 14	12.0 ± 2
Thiourea	105 ± 1	95.6 ± 6	95.3 ± 0	Ni²⁺	54.4 ± 5	39.1 ± 7	24.4 ± 4
Urea	102 ± 0.6	105 ± 2	101 ± 2	Zn²⁺	24.1 ± 10	24.6 ± 5	24.4 ± 11
EDTA	110 ± 18	113 ± 6	108 ± 5	Cu²⁺	19.1 ± 0.1	11.3 ± 2	4.11 ± 1

ISSN: 1475-2859