Protein
Caffeine synthase 1
Organism
Camellia sinensis
Function
Involved in the biosynthesis of caffeine. Catalyzes the conversion of 7-methylxanthine (7mX) to theobromine and of theobromine to caffeine. Has 3-N- and 1-N-methylation activity.
Similarity
Belongs to the methyltransferase superfamily. Type-7 methyltransferase family.
Sequence
MELATAGKVNEVLFMNRGEGESSYAQNSSFTQQVASMAQPALENAVETLFSRDFHLQALNAADLGCAAGPNTFAVISTIKRMMEKKCRELNCQTLELQVYLNDLFGNDFNTLFKGLSSEVIGNKCEEVPCYVMGVPGSFHGRLFPRNSLHLVHSSYSVHWLTQAPKGLTSREGLALNKGKIYISKTSPPVVREAYLSQFHEDFTMFLNARSQEVVPNGCMVLILRGRQCSDPSDMQSCFTWELLAMAIAELVSQGLIDEDKLDTFNIPSYFASLEEVKDIVERDGSFTIDHIEGFDLDSVEMQENDKWVRGEKFTKVVRAFTEPIISNQFGPEIMDKLYDKFTHIVVSDLEAKLPKTTSIILVLSKIDG