[Term] id: PR:000038910 name: small nuclear ribonucleoprotein-associated proteins B isoform SM-B def: "A small nuclear ribonucleoprotein-associated proteins B and B' 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:P14678-2 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "SNRPB/iso:2" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:P14678-2 is_a: PR:000029730 ! small nuclear ribonucleoprotein-associated proteins B and B'