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Table 1 Effects of various metal ions and EDTA on rAgaB-4 activity

From: Molecular cloning, expression, and functional characterization of the β-agarase AgaB-4 from Paenibacillus agarexedens

Metal ion

Relative activity (%)a

None

100

Cu2+

113

K+

121

Zn2+

107

Fe2+

112

Ba2+

122

Na+

124

Sr2+

124

Co2+

140

Mg2+

116

Mn2+

195

Ca2+

121

Al3+

111

EDTA

105

  1. aThe enzymatic activity measured in the absence of metal ions or EDTA was defined as 100%. All data are mean values from triplicate experiments