[Term] id: PR:000001755 name: nuclear factor NF-kappa-B p105 subunit isoform 1 def: "A nuclear factor NF-kappa-B p105 subunit 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:P25799-1 or a 1:1 ortholog thereof." [PRO:JAN] comment: Category=sequence. synonym: "NFKB1/iso:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000001754 ! nuclear factor NF-kappa-B p105 subunit