##gff-version 3
P54624	UniProtKB	Signal peptide	1	22	.	.	.	Ontology_term=ECO:0000305;evidence=ECO:0000305	
P54624	UniProtKB	Propeptide	23	30	.	.	.	ID=PRO_0000028259;Note=Activation peptide	
P54624	UniProtKB	Chain	31	256	.	.	.	ID=PRO_0000028260;Note=Trypsin alpha	
P54624	UniProtKB	Domain	31	254	.	.	.	Note=Peptidase S1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274	
P54624	UniProtKB	Active site	71	71	.	.	.	Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250	
P54624	UniProtKB	Active site	116	116	.	.	.	Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250	
P54624	UniProtKB	Active site	210	210	.	.	.	Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250	
P54624	UniProtKB	Site	204	204	.	.	.	Note=Required for specificity;Ontology_term=ECO:0000250;evidence=ECO:0000250	
P54624	UniProtKB	Disulfide bond	56	72	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274	
P54624	UniProtKB	Disulfide bond	180	197	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274	
P54624	UniProtKB	Disulfide bond	206	230	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274