199 SIP2 OsI_032467 Submergence-induced protein 2 MTND1_ORYSI MENEFQDGKTEVIEAWYMDDSEEDQRLPHHREPKEFIHVDKLTELGVISWRLNPDNWENCENLKRIREARGYSYVDICDVCPEKLPNYETKIKSFFEEHLHTDEEIRYCLEGSGYFDVRDQNDQWIRIALKKGGMIVLPAGMYHRFTLDTDNYIKAMRLFVGDPVWTPYNRPHDHLPARKEFLAKLLKSEGENQAVEGF Catalyzes the formation of formate and 2-keto-4- methylthiobutyrate (KMTB) from 1,2-dihydroxy-3-keto-5- methylthiopentene (DHK-MTPene). May play a role in recycling S- adenosylmethionine (SAM) for ethylene biosynthesis, which is competing with polyamines biosynthesis pathway for SAM substrate. 1,2-dihydroxy-3-keto-5-methylthiopentene dioxygenase 1 ARD1 Acireductone dioxygenase (Fe(2+)-requiring) 1