. "\"Catalysis of the reaction: D-mannonate = 2-dehydro-3-deoxy-D-gluconate + H(2)O.\" [EC:4.2.1.8, RHEA:20100]" . . "mannonate dehydratase activity" . "altronate hydrolase activity" . "altronic hydro-lyase activity" . "D-mannonate hydro-lyase (2-dehydro-3-deoxy-D-gluconate-forming)" . "D-mannonate hydro-lyase activity" . "D-mannonate hydrolyase activity" . "mannonate hydrolyase activity" . "mannonic hydrolase activity" . "EC:4.2.1.8" . "KEGG:R05606" . "MetaCyc:MANNONDEHYDRAT-RXN" . "RHEA:20100" . .