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egt1

Gene
egt1
Protein
Ergothioneine biosynthesis protein 1
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Length
773 amino acids
Function
Catalyzes the SAM-dependent triple methylation of the alpha-amino group of histidine to form hercynine and subsequent conjugation with cysteine and oxygen to form hercynylcysteine sulfoxide, the first two steps in the biosynthesis pathway of ergothioneine (PubMed:24828577). May play a role in meiosis (PubMed:16303567).
Similarity
In the C-terminal section; belongs to the EgtB family.
Mass
89.714 kDa
Sequence
MTEIENIGALEVLFSPESIEQSLKRCQLPSTLLYDEKGLRLFDEITNLKEYYLYESELDILKKFSDSIANQLLSPDLPNTVIELGCGNMRKTKLLLDAFEKKGCDVHFYALDLNEAELQKGLQELRQTTNYQHVKVSGICGCFERLLQCLDRFRSEPNSRISMLYLGASIGNFDRKSAASFLRSFASRLNIHDNLLISFDHRNKAELVQLAYDDPYRITEKFEKNILASVNAVFGENLFDENDWEYKSVYDEDLGVHRAYLQAKNEVTVIKGPMFFQFKPSHLILIEESWKNSDQECRQIIEKGDFKLVSKYESTIADYSTYVITKQFPAMLQLPLQPCPSLAEWDALRKVWLFITNKLLNKDNMYTAWIPLRHPPIFYIGHVPVFNDIYLTKIVKNKATANKKHFWEWFQRGIDPDIEDPSKCHWHSEVPESWPSPDQLREYEKESWEYHIVKLCKAMDELSTSEKRILWLCYEHVAMHVETTLYIYVQSFQNANQTVSICGSLPEPAEKLTKAPLWVNVPETEIAVGMPLTTQYTSVGSNLQSSDLSAHENTDELFYFAWDNEKPMRKKLVSSFSIANRPISNGEYLDFINKKSKTERVYPKQWAEIDGTLYIRTMYGLLPLDDYLGWPVMTSYDDLNNYASSQGCRLPTEDELNCFYDRVLERTDEPYVSTEGKATGFQQLHPLALSDNSSNQIFTGAWEWTSTVLEKHEDFEPEELYPDYTRDFFDGKHNVVLGGSFATATRISNRRSFRNFYQAGYKYAWIGARLVKN