##gff-version 3 A1CLG4 UniProtKB Signal peptide 1 19 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255 A1CLG4 UniProtKB Chain 20 321 . . . ID=PRO_0000394617;Note=Probable arabinan endo-1%2C5-alpha-L-arabinosidase A A1CLG4 UniProtKB Active site 34 34 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P94522 A1CLG4 UniProtKB Active site 200 200 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P94522 A1CLG4 UniProtKB Site 149 149 . . . Note=Important for catalytic activity%2C responsible for pKa modulation of the active site Glu and correct orientation of both the proton donor and substrate;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P94522