[Term]
id: PR:000040208
name: transcription initiation factor IIB isoform 1
def: "A transcription initiation factor IIB 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:Q00403-1 or a 1:1 ortholog thereof." [PRO:DNx]
comment: Category=sequence.
synonym: "GTF2B/iso:1" EXACT PRO-short-label [PRO:DNx]
property_value: has_archetype PR:Q00403-1
is_a: PR:000008313 ! transcription initiation factor IIB