##gff-version 3 P29560 UniProtKB Signal peptide 1 23 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255 P29560 UniProtKB Propeptide 24 50 . . . ID=PRO_0000008069;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P22388 P29560 UniProtKB Peptide 53 91 . . . ID=PRO_0000436398;Note=Big endothelin-1;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P22388 P29560 UniProtKB Peptide 53 73 . . . ID=PRO_0000008070;Note=Endothelin-1 P29560 UniProtKB Propeptide 74 202 . . . ID=PRO_0000008071 P29560 UniProtKB Region 24 49 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite P29560 UniProtKB Region 110 124 . . . Note=Endothelin-like P29560 UniProtKB Site 73 74 . . . Note=Cleavage%3B by KEL;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P05305 P29560 UniProtKB Disulfide bond 53 67 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P05305 P29560 UniProtKB Disulfide bond 55 63 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P05305