[Term] id: PR:000000211 name: activin receptor type-2B isoform ActR-IIB1 def: "An activin receptor type-2B 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:P27040-1 or a 1:1 ortholog thereof." [PMID:1310075, PRO:CNA, PRO:DAN] comment: Category=sequence. synonym: "ACVR2B isoform 3" EXACT [PRO:DNx] synonym: "ACVR2B/iso:ActR-IIB1" EXACT PRO-short-label [PRO:DNx] synonym: "activin receptor type-2B isoform 3" EXACT [PRO:CNA, PRO:DAN] is_a: PR:000000071 ! activin receptor type-2B