carbon-halide lyase activity DDT-dehydrochlorinase activity https://github.com/geneontology/go-ontology/issues/30193 DDTase activity EC:4.5.1.1 GO:0018833 DDT-as 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane chloride-lyase activity RHEA:19217 UM-BBD_reactionID:r0439 Catalysis of the reaction: 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane = 1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene + chloride + H+. molecular_function 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane chloride-lyase [1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene-forming] KEGG_REACTION:R04522 DDT-ase activity MetaCyc:DDT-DEHYDROCHLORINASE-RXN DDT dehydrochlorinase activity