Protein
Apocarotenoid-15,15'-oxygenase
Organism
Synechocystis sp. (strain PCC 6803 / Kazusa)
Function
Cleaves a number of carotenals and carotenols in the all-trans configuration at the 15-15' double bond producing retinal or retinol, respectively. Also shows activity toward lycopenals and the corresponding alcohols. Does not cleave beta-carotene or lycopene.
Similarity
Belongs to the carotenoid oxygenase family.
Sequence
MVTSPPTSSPSQRSYSPQDWLRGYQSQPQEWDYWVEDVEGSIPPDLQGTLYRNGPGLLEIGDRPLKHPFDGDGMVTAFKFPGDGRVHFQSKFVRTQGYVEEQKAGKMIYRGVFGSQPAGGWLKTIFDLRLKNIANTNITYWGDRLLALWEGGQPHRLEPSNLATIGLDDLGGILAEGQPLSAHPRIDPASTFDGGQPCYVTFSIKSSLSSTLTLLELDPQGKLLRQKTETFPGFAFIHDFAITPHYAIFLQNNVTLNGLPYLFGLRGAGECVQFHPDKPAQIILVPRDGGEIKRIPVQAGFVFHHANAFEENGKIILDSICYNSLPQVDTDGDFRSTNFDNLDPGQLWRFTIDPAAATVEKQLMVSRCCEFPVVHPQQVGRPYRYVYMGAAHHSTGNAPLQAILKVDLESGTETLRSFAPHGFAGEPIFVPRPGGVAEDDGWLLCLIYKADLHRSELVILDAQDITAPAIATLKLKHHIPYPLHGSWAQT