##gff-version 3 Q17967 UniProtKB Signal peptide 1 20 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255 Q17967 UniProtKB Chain 21 485 . . . ID=PRO_0000034203;Note=Protein disulfide-isomerase 1 Q17967 UniProtKB Domain 21 130 . . . Note=Thioredoxin 1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00691 Q17967 UniProtKB Domain 342 470 . . . Note=Thioredoxin 2;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00691 Q17967 UniProtKB Motif 482 485 . . . Note=Prevents secretion from ER;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10138 Q17967 UniProtKB Active site 393 393 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q17967 UniProtKB Active site 396 396 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q17967 UniProtKB Site 394 394 . . . Note=Contributes to redox potential value;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q17967 UniProtKB Site 395 395 . . . Note=Contributes to redox potential value;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q17967 UniProtKB Site 456 456 . . . Note=Lowers pKa of C-terminal Cys of second active site;Ontology_term=ECO:0000250;evidence=ECO:0000250 Q17967 UniProtKB Disulfide bond 52 55 . . . Note=Redox-active;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00691 Q17967 UniProtKB Disulfide bond 393 396 . . . Note=Redox-active;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00691