ECs Count CAZy protein ID Substrates 3.2.1.18 18 AAA43747.1,AAA43731.1,AAA43737.1,AFH57913.1,CAB71147.1,AAA43745.1,AAA43741.1,AAA43729.1,AAA43743.1,AAA43749.1,AAD42327.2,ACN29379.1,AAA43735.1,NP_056663.1,AAA43739.1,ADN32819.1,AAA43733.1,ACN29381.1 sialic acid