MTO3 (S-adenosylmethionine synthase 3); methionine adenosyltransferase. similar to SAM1 (S-adenosylmethionine synthetase 1), methionine adenosyltransferase [Arabidopsis thaliana] (TAIR:AT1G02500.2); similar to SAM1 (S-adenosylmethionine synthetase 1), methionine adenosyltransferase [Arabidopsis thaliana] (TAIR:AT1G02500.1); similar to MAT2/SAM-2 (S-adenosylmethionine synthetase 2) [Arabidopsis thaliana] (TAIR:AT4G01850.2); similar to hypothetical protein [Vitis vinifera] (GB:CAN75334.1); similar to S-adenosyl-L-methionine synthetase [Medicago sativa subsp. falcata] (GB:ABO77438.1); similar to S-adenosylmethionine synthetase [Brassica juncea]