##gff-version 3 Q9H6B9 UniProtKB Chain 1 360 . . . ID=PRO_0000264232;Note=Epoxide hydrolase 3 Q9H6B9 UniProtKB Transmembrane 22 42 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 Q9H6B9 UniProtKB Active site 173 173 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P34913 Q9H6B9 UniProtKB Active site 281 281 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P34913 Q9H6B9 UniProtKB Active site 337 337 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P34913 Q9H6B9 UniProtKB Mutagenesis 173 173 . . . Note=Loss of catalytic activity. D->A;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:22798687;Dbxref=PMID:22798687 Q9H6B9 UniProtKB Mutagenesis 173 173 . . . Note=No effect on catalytic activity. D->N;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:22798687;Dbxref=PMID:22798687 Q9H6B9 UniProtKB Mutagenesis 220 220 . . . Note=Loss of catalytic activity. Y->F;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:22798687;Dbxref=PMID:22798687 Q9H6B9 UniProtKB Mutagenesis 280 280 . . . Note=No effect on catalytic activity. Y->F;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:22798687;Dbxref=PMID:22798687 Q9H6B9 UniProtKB Mutagenesis 281 281 . . . Note=Loss of catalytic activity. Y->F;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:22798687;Dbxref=PMID:22798687 Q9H6B9 UniProtKB Mutagenesis 307 307 . . . Note=Loss of catalytic activity. D->A%2CN;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:22798687;Dbxref=PMID:22798687 Q9H6B9 UniProtKB Mutagenesis 337 337 . . . Note=Loss of catalytic activity. H->Q;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:22798687;Dbxref=PMID:22798687