[Term] id: PR:000039320 name: beta-1 adrenergic receptor isoform 1 def: "A beta-1 adrenergic receptor 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:P34971-1 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "ADRB1/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:P34971-1 is_a: PR:000001192 ! beta-1 adrenergic receptor