. "\"Catalysis of the reaction: (-)-homoisocitrate = cis-homoaconitate + H(2)O.\" [EC:4.2.1.36, RHEA:15488]" . . "homoaconitate hydratase activity" . "2-hydroxybutane-1,2,4-tricarboxylate hydro-lyase activity" . "cis-homoaconitase activity" . "HACN activity" . "homoaconitase activity" . "EC:4.2.1.36" . "KEGG:R04371" . "MetaCyc:HOMOACONITATE-HYDRATASE-RXN" . "RHEA:15488" . . "(1R,2S)-1-hydroxybutane-1,2,4-tricarboxylate hydro-lyase [(Z)-but-1-ene-1,2,4-tricarboxylate-forming]" . "Lys4" . "LysF" .