MAT2/SAM-2 (S-adenosylmethionine synthetase 2); methionine adenosyltransferase. Identical to S-adenosylmethionine synthetase 2 (SAM2) [Arabidopsis Thaliana] (GB:P17562;GB:Q42263); similar to SAM1 (S-adenosylmethionine synthetase 1), methionine adenosyltransferase [Arabidopsis thaliana] (TAIR:AT1G02500.2); similar to MTO3 (S-adenosylmethionine synthase 3), methionine adenosyltransferase [Arabidopsis thaliana] (TAIR:AT3G17390.1); similar to SAM1 (S-adenosylmethionine synthetase 1), methionine adenosyltransferase [Arabidopsis thaliana] (TAIR:AT1G02500.1); similar to S-adenosylmethionine synthetase [Brassica juncea] (GB:AAK71235.1); similar to S