[Term] id: PR:000043146 name: tumor necrosis factor receptor superfamily member 21 isoform 1 def: "A tumor necrosis factor receptor superfamily member 21 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:Q9EPU5-1 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "TNFRSF21/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:Q9EPU5-1 is_a: PR:000016484 ! tumor necrosis factor receptor superfamily member 21