[Term] id: PR:000039582 name: beta-arrestin-1 isoform 2 def: "A beta-arrestin-1 that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:P49407-2 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "ARRB1/iso:2" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:P49407-2 is_a: PR:000004319 ! beta-arrestin-1