##gff-version 3 P29787 UniProtKB Signal peptide 1 18 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255 P29787 UniProtKB Propeptide 19 39 . . . ID=PRO_0000028241;Note=Activation peptide P29787 UniProtKB Chain 40 266 . . . ID=PRO_0000028242;Note=Trypsin 5G1 P29787 UniProtKB Domain 40 265 . . . Note=Peptidase S1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P29787 UniProtKB Active site 81 81 . . . Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250 P29787 UniProtKB Active site 125 125 . . . Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250 P29787 UniProtKB Active site 221 221 . . . Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250 P29787 UniProtKB Site 215 215 . . . Note=Required for specificity;Ontology_term=ECO:0000250;evidence=ECO:0000250 P29787 UniProtKB Disulfide bond 66 82 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P29787 UniProtKB Disulfide bond 190 206 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P29787 UniProtKB Disulfide bond 217 241 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P29787 UniProtKB Sequence conflict 151 151 . . . Note=A->T;Ontology_term=ECO:0000305;evidence=ECO:0000305