>sp|Q9NZL9-5|MAT2B_HUMAN Isoform 5 of Methionine adenosyltransferase 2 subunit beta OS=Homo sapiens OX=9606 GN=MAT2B MPEMPEDMEQEEEVNIPNRRVLVTGATGLLGRAVHKEFQQNNWHAVGCGFRRARPKFEQV NLLDSNAVHHIIHDFQVLLTALS