[Term] id: PR:Q99707-1 name: methionine synthase isoform h1 (human) def: "A methionine synthase (human) that is a translation product of some mRNA giving rise to a protein with the amino acid sequence represented by UniProtKB:Q99707-1." [PRO:auto, UniProtKB:Q99707] comment: Category=organism-sequence. synonym: "hMTR/iso:h1" EXACT PRO-short-label [PRO:auto] xref: UniProtKB:Q99707-1 is_a: PR:Q99707 ! methionine synthase (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens