NCBI Accession #
NP_188062.1
NCBI GenBank Nucleotide #
NM_112304.3
NCBI Official Full Name
nine-cis-epoxycarotenoid dioxygenase 3
NCBI Official Symbol
NCED3
NCBI Official Synonym Symbols
9-CIS-EPOXYCAROTENOID DIOXYGENASE; ATNCED3; nine-cis-epoxycarotenoid dioxygenase 3; SALT TOLERANT 1; SIS7; STO1; SUGAR INSENSITIVE 7
NCBI Protein Information
nine-cis-epoxycarotenoid dioxygenase 3
NCBI Summary
Encodes 9-cis-epoxycarotenoid dioxygenase, a key enzyme in the biosynthesis of abscisic acid. Regulated in response to drought and salinity. Expressed in roots, flowers and seeds. Localized to the chloroplast stroma and thylakoid membrane.
UniProt Synonym Gene Names
STO1; AtNCED3
UniProt Protein Name
9-cis-epoxycarotenoid dioxygenase NCED3, chloroplastic
UniProt Synonym Protein Names
Protein SALT TOLERANT 1
UniProt Primary Accession #
Q9LRR7
UniProt Secondary Accession #
Q93ZU5
UniProt Related Accession #
Q9LRR7
UniProt Comments
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.