##gff-version 3 P04813 UniProtKB Signal peptide 1 18 . . . . P04813 UniProtKB Chain 19 263 . . . ID=PRO_0000027634;Note=Chymotrypsinogen 2 P04813 UniProtKB Chain 19 31 . . . ID=PRO_0000027635;Note=Chymotrypsin 2 chain A P04813 UniProtKB Chain 34 164 . . . ID=PRO_0000027636;Note=Chymotrypsin 2 chain B P04813 UniProtKB Chain 167 263 . . . ID=PRO_0000027637;Note=Chymotrypsin 2 chain C P04813 UniProtKB Domain 34 261 . . . Note=Peptidase S1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P04813 UniProtKB Active site 75 75 . . . Note=Charge relay system P04813 UniProtKB Active site 120 120 . . . Note=Charge relay system P04813 UniProtKB Active site 213 213 . . . Note=Charge relay system P04813 UniProtKB Modified residue 93 93 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9CR35 P04813 UniProtKB Disulfide bond 19 140 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P04813 UniProtKB Disulfide bond 60 76 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P04813 UniProtKB Disulfide bond 154 219 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P04813 UniProtKB Disulfide bond 186 200 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274 P04813 UniProtKB Disulfide bond 209 238 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00274