>sp|C3MZQ1|METK_SULIA S-adenosylmethionine synthase OS=Sulfolobus islandicus GN=mat MRNINVQLNPLSDIEKLQVELVERKGLGHPDYIADAVAEEASRKLSLYYLKKYGVILHHN LDKTLVVGGQATPRFKGGDVIQPIYIVVAGRATTEVKTESGIEQIPVGTIIIESVKEWIR NNFRYLDAEKHLIVDYKIGKGSTDLVGIFEAGKRVPLSNDTSFGVGFAPFTKLEKLVYET ERHLNSKQFKAKLPEVGEDIKVMGLRRGNEVDLTIAMATISELIEDVNHYINVKEQAKNE ILDLASKIAPDYDVRIYVNTGDKIDKNILYLTVTGTSAEHGDDGMTGRGNRGVGLITPMR PMSLEATAGKNPVNHVGKLYNVLANLIANKIAQEVKDVKFSQVQVLGQIGRPIDDPLIAN VDVITYDGKLNDETKNEISGIVDEMLSSFNKLTELILEGKATLF