##gff-version 3 P35037 UniProtKB Signal peptide 1 22 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255 P35037 UniProtKB Propeptide 23 48 . . . ID=PRO_0000028247;Note=Activation peptide P35037 UniProtKB Chain 49 275 . . . ID=PRO_0000028248;Note=Trypsin-3 P35037 UniProtKB Domain 49 274 . . . Note=Peptidase S1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P35037 UniProtKB Active site 89 89 . . . Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250 P35037 UniProtKB Active site 134 134 . . . Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250 P35037 UniProtKB Active site 230 230 . . . Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250 P35037 UniProtKB Site 224 224 . . . Note=Required for specificity;Ontology_term=ECO:0000250;evidence=ECO:0000250 P35037 UniProtKB Disulfide bond 74 90 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P35037 UniProtKB Disulfide bond 199 215 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P35037 UniProtKB Disulfide bond 226 250 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P35037 UniProtKB Sequence conflict 42 42 . . . Note=K->Q;Ontology_term=ECO:0000305;evidence=ECO:0000305 P35037 UniProtKB Sequence conflict 142 142 . . . Note=S->T;Ontology_term=ECO:0000305;evidence=ECO:0000305 P35037 UniProtKB Sequence conflict 157 157 . . . Note=D->E;Ontology_term=ECO:0000305;evidence=ECO:0000305 P35037 UniProtKB Sequence conflict 169 169 . . . Note=I->T;Ontology_term=ECO:0000305;evidence=ECO:0000305 P35037 UniProtKB Sequence conflict 191 191 . . . Note=V->I;Ontology_term=ECO:0000305;evidence=ECO:0000305 P35037 UniProtKB Sequence conflict 267 267 . . . Note=D->N;Ontology_term=ECO:0000305;evidence=ECO:0000305