##gff-version 3 P23815 UniProtKB Chain 1 70 . . . ID=PRO_0000199210;Note=Phycocyanin-645 alpha-2 chain P23815 UniProtKB Binding site 16 16 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:U5T880 P23815 UniProtKB Binding site 18 18 . . . Note=Covalent;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:U5T880 P23815 UniProtKB Binding site 26 26 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:U5T880 P23815 UniProtKB Binding site 41 41 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:U5T880