[Term] id: PR:000042247 name: cystathionine beta-synthase isoform 1 def: "A cystathionine beta-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:Q91WT9-1 or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=sequence. synonym: "CBS/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:Q91WT9-1 is_a: PR:000005081 ! cystathionine beta-synthase