[Term] id: PR:000043815 name: 6-pyruvoyl tetrahydrobiopterin synthase isoform 1 def: "A 6-pyruvoyl tetrahydrobiopterin synthase 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:Q9R1Z7-1 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "PTS/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:Q9R1Z7-1 is_a: PR:000013485 ! 6-pyruvoyl tetrahydrobiopterin synthase