##gff-version 3
P52905	UniProtKB	Signal peptide	1	19	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255	
P52905	UniProtKB	Propeptide	20	27	.	.	.	ID=PRO_0000028275;Note=Activation peptide	
P52905	UniProtKB	Chain	28	252	.	.	.	ID=PRO_0000028276;Note=Trypsin iota	
P52905	UniProtKB	Domain	28	250	.	.	.	Note=Peptidase S1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274	
P52905	UniProtKB	Active site	68	68	.	.	.	Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250	
P52905	UniProtKB	Active site	113	113	.	.	.	Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250	
P52905	UniProtKB	Active site	206	206	.	.	.	Note=Charge relay system;Ontology_term=ECO:0000250;evidence=ECO:0000250	
P52905	UniProtKB	Site	200	200	.	.	.	Note=Required for specificity;Ontology_term=ECO:0000250;evidence=ECO:0000250	
P52905	UniProtKB	Disulfide bond	53	69	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274	
P52905	UniProtKB	Disulfide bond	175	193	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274	
P52905	UniProtKB	Disulfide bond	202	226	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274