[Term] id: PR:000025009 name: ribonuclease R isoform 1 def: "A ribonuclease R 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:P21499-1 or a 1:1 ortholog thereof." [EcoCyc:EG11259-MONOMER] comment: Category=sequence. synonym: "rnr/iso:1" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:P21499-1 is_a: PR:000023799 ! ribonuclease R