##gff-version 3 P51961 UniProtKB Chain 1 218 . . . ID=PRO_0000068171;Note=Riboflavin synthase P51961 UniProtKB Repeat 1 97 . . . Note=Lumazine-binding 1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00524 P51961 UniProtKB Repeat 98 194 . . . Note=Lumazine-binding 2;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00524 P51961 UniProtKB Binding site 4 6 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q2YN92 P51961 UniProtKB Binding site 48 50 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q2YN92 P51961 UniProtKB Binding site 62 67 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P0AFU8 P51961 UniProtKB Binding site 101 103 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q2YN92 P51961 UniProtKB Binding site 136 136 . . . Note=In other chain;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q2YN92 P51961 UniProtKB Binding site 145 147 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q2YN92 P51961 UniProtKB Binding site 159 164 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q2YN92