ID 3.1.1.53 DE sialate O-acetylesterase. CA (1) H2O + N-acetyl-9-O-acetylneuraminate = acetate + H(+) + CA N-acetylneuraminate. CA (2) H2O + N-acetyl-4-O-acetylneuraminate = acetate + H(+) + CA N-acetylneuraminate. CC -!- Acts on free and glycosidically-bound N-acetyl- or CC N-glycoloylneuraminic acid. CC -!- Acts mainly on 4-O- and 9-O-acetyl groups. CC -!- Also acts on some other O-acetyl esters, both cyclic and acyclic CC compounds, which are not sialic acids. DR P0C0V9, HEMA_BRV1 ; P0C0W0, HEMA_BRV2 ; P59711, HEMA_CVBEN ; DR P33468, HEMA_CVBF ; Q66165, HEMA_CVBG9 ; P59710, HEMA_CVBL9 ; DR Q9QAR6, HEMA_CVBLS ; Q8V437, HEMA_CVBLU ; P31613, HEMA_CVBLY ; DR P15776, HEMA_CVBM ; Q9QAQ9, HEMA_CVBOK ; Q9DR81, HEMA_CVBON ; DR P59709, HEMA_CVBQ ; Q5MQD1, HEMA_CVHN1 ; Q14EB1, HEMA_CVHN2 ; DR Q0ZME8, HEMA_CVHN5 ; P30215, HEMA_CVHOC ; P31615, HEMA_CVMA5 ; DR O92367, HEMA_CVMDV ; Q83356, HEMA_CVMJH ; P31614, HEMA_CVMS ; DR Q8BB26, HEMA_CVP67 ; Q8JSP9, HEMA_CVPIA ; O91262, HEMA_CVPV ; DR Q9IKD2, HEMA_CVRSD ; Q9Q9G3, HEMA_HUTV ; P68762, HEMA_INCAA ; DR P03465, HEMA_INCCA ; P07973, HEMA_INCEN ; P07971, HEMA_INCGL ; DR P17003, HEMA_INCHY ; P07975, HEMA_INCJH ; P17004, HEMA_INCKY ; DR P07970, HEMA_INCMI ; P17005, HEMA_INCNA ; Q67387, HEMA_INCNB ; DR P07968, HEMA_INCP1 ; P07967, HEMA_INCP2 ; P07966, HEMA_INCP3 ; DR P07974, HEMA_INCTA ; P68761, HEMA_INCYA ; P87691, HEMA_INCYB ; DR Q8V3U0, HEMA_ISAV8 ; Q70KP1, HEMA_PTV10 ; Q9HAT2, SIAE_HUMAN ; DR P70665, SIAE_MOUSE ; Q5RFU0, SIAE_PONAB ; P82450, SIAE_RAT ; //