9-cis-epoxycarotenoid dioxygenase NCED3, chloroplastic Has a 11,12(11',12') 9-cis epoxycarotenoid cleavage activity. Catalyzes the first step of abscisic-acid biosynthesis from carotenoids, in response to water stress. 599 MASFTATAAVSGRWLGGNHTQPPLSSSQSSDLSYCSSLPMASRVTRKLNVSSALHTPPALHFPKQSSNSPAIVVKPKAKESNTKQMNLFQRAAAAALDAAEGFLVSHEKLHPLPKTADPSVQIAGNFAPVNEQPVRRNLPVVGKLPDSIKGVYVRNGANPLHEPVTGHHFFDGDGMVHAVKFEHGSASYACRFTQTNRFVQERQLGRPVFPKAIGELHGHTGIARLMLFYARAAAGIVDPAHGTGVANAGLVYFNGRLLAMSEDDLPYQVQITPNGDLKTVGRFDFDGQLESTMIAHPKVDPESGELFALSYDVVSKPYLKYFRFSPDGTKSPDVEIQLDQPTMMHDFAITENFVVVPDQQVVFKLPEMIRGGSPVVYDKNKVARFGILDKYAEDSSNIKWIDAPDCFCFHLWNAWEEPETDEVVVIGSCMTPPDSIFNESDENLKSVLSEIRLNLKTGESTRRPIISNEDQQVNLEAGMVNRNMLGRKTKFAYLALAEPWPKVSGFAKVDLTTGEVKKHLYGDNRYGGEPLFLPGEGGEEDEGYILCFVHDEKTWKSELQIVNAVSLEVEATVKLPSRVPYGFHGTFIGADDLAKQVV Protein SALT TOLERANT 1 NCED3 MOA2.4 NCED3_ARATH At3g14440 STO1