15720
The enzyme was inhibited significantly by Cu ( 2 + ) , Fe ( 3 + ) , Mg ( 2 + ) , Ba ( 2 + ) , aminoxyacetate , EGTA , Na ( 2 ) EDTA , l - cysteine and beta - mercaptoethanol ; and activated at low Ca ( 2 + ) 0 . 2mM .
 Chemical: Cu ( 2 + ); Chemical: Fe ( 3 + ); Chemical: Mg ( 2 + ); Chemical: Ba ( 2 + ); Chemical: aminoxyacetate; Chemical: EGTA; Chemical: Na ( 2 ) EDTA; Chemical: l - cysteine; Chemical: beta - mercaptoethanol; Chemical: Ca ( 2 + )
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Cu ( 2 + ); Chemical: Fe ( 3 + ); Chemical: Mg ( 2 + ); Chemical: Ba ( 2 + ); Chemical: aminoxyacetate; Chemical: EGTA; Chemical: Na ( 2 ) EDTA; Chemical: l - cysteine; Chemical: beta - mercaptoethanol; Chemical: Ca ( 2 + )