2.1.1.98 ? x * 30000, SDS-PAGE -, 718886 2.1.1.98 dimer 2 * 29600, calculated from sequence, crystallographic data, only one of the two active sites binds the reaction product S-adenosyl-L-homocysteine, while the other active site contains no ligand -, 684148 2.1.1.98 dimer 2 * 31500, calculated from sequence, crystallographic data, only one of the two active sites binds the reaction product S-adenosyl-L-homocysteine, while the other active site contains no ligand -, 684148