##gff-version 3 B1LET0 UniProtKB Chain 1 240 . . . ID=PRO_0000339391;Note=Dihydromonapterin reductase B1LET0 UniProtKB Active site 152 152 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10001