jheh 1, 2 and 3 cDNA cloning strategies and primers (arrows) that were used in the cloning and the sequencing. (a). jheh 1 cDNA amino acids and nucleotides sequence, the membrane anchor sequence WWG is single underlined, the catalytic amino acids triad DYD is double underlined, the H that participates in the catalytic activity is double underlined and the polyadenylation signal sequence AATAAA is single underlined. (b). jheh 2 cDNA amino acids and nucleotides sequence, the membrane anchor sequence YWG is single underlined, the catalytic amino acids triad DYE is double underlined, the H that participates in the catalytic activity is double underlined and the poly adenylation signal ATTAAA is single underlined. (c). jheh 3 cDNA amino acids and nucleotides sequence, the membrane anchor sequence YWG is single underlined, the catalytic amino acids triad DYD is double underlined, the H that participates in the catalytic activity is double underlined and the poly adenylation signal is not shown.