[Term] id: PR:O75570-1 name: peptide chain release factor 1, mitochondrial isoform h1 (human) def: "A peptide chain release factor 1, mitochondrial (human) 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:O75570-1." [PRO:DNx, UniProtKB:O75570] comment: Category=organism-sequence. synonym: "hMTRF1/iso:h1" EXACT PRO-short-label [PRO:DNx] xref: UniProtKB:O75570-1 is_a: PR:O75570 ! peptide chain release factor 1, mitochondrial (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens