>sp|P40320-2|METK_DROME S-adenosylmethionine synthase OS=Drosophila melanogaster GN=Sam-S MPQKTNGHSANGCNGSNGNSYDMEDGATFLFTSESVGEGHPDKMCDQISDAILDAHLKQD PNAKVACETVAKTGMILLCGEITSKAVVDYQKVVRETVQHIGYDDSSKGFDWKTLNLLVA IEQQSPNIANGVHINREEEDVGAGDQVSISKRAMCCWHWTNNRLRSLRECMSTVPRKRSV PEIRVSCLDMPPTKPRNVCP