[Term] id: PR:000044820 name: neuregulin-1 type I-beta1a def: "A pro-neuregulin-1, membrane-bound isoform 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:Q02297-6 or a 1:1 ortholog thereof." [PRO:KRC, PMID:12648463] comment: Category=sequence. synonym: "NRG1/iso:Ibeta1a" EXACT PRO-short-label [PRO:DAN] synonym: "NRG beta1" RELATED [] synonym: "NRG beta1a" RELATED [] property_value: has_archetype PR:Q02297-6 is_a: PR:000029649 ! pro-neuregulin-1, membrane-bound isoform