产品内容
本酶催化的反应为(1) 4-Deoxy-L-Erythro-Hex-4-Enopyranuronate = (4S,5S)-4,5-Dihydroxy-2,6-Dioxohexanoate;;(2) 4-Deoxy-L-Threo-Hex-4-Enopyranuronate = (4S,5R)-4,5-Dihydroxy-2,6-Dioxohexanoate,系统名称为4,5-Unsaturated Pyranuronate Lyase (Ring-Opening),该酶存在于细菌和古菌中,参与海藻酸盐和果胶等多糖的降解。该酶催化吡喃糖环开环反应,随后进行烯醇-酮互变异构。