##gff-version 3 O94552 UniProtKB Transit peptide 1 39 . . . Note=Mitochondrion;Ontology_term=ECO:0000255;evidence=ECO:0000255 O94552 UniProtKB Chain 40 520 . . . ID=PRO_0000010332;Note=Fumarate hydratase%2C mitochondrial O94552 UniProtKB Active site 243 243 . . . Note=Proton donor/acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P05042 O94552 UniProtKB Active site 373 373 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WN93 O94552 UniProtKB Binding site 153 155 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P05042 O94552 UniProtKB Binding site 184 187 . . . Note=In site B;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P05042 O94552 UniProtKB Binding site 194 196 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P05042 O94552 UniProtKB Binding site 242 242 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WN93 O94552 UniProtKB Binding site 374 374 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WN93 O94552 UniProtKB Binding site 379 381 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P9WN93 O94552 UniProtKB Site 386 386 . . . Note=Important for catalytic activity;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P05042