5-methyltetrahydrofolate-homocysteine methyltransferase MSPALQDLSQ PEGLKKTLRD EINAILQKRI MVLDGGMGTM IQREKLNEEH FRGQEFKDHA RPLKGNNDIL SITQPDVIYQ IHKEYLLAGA DIIETNTFSS TSIAQADYGL EHLELRGLWQ GLWVRLIRHS LCPHLWKGRI IGTSHLMSLL KHTKSRPKDF WMAGLISYSL KLFLILPMPR QPCLHSKIFL RRNMLPGLSL FQGRSLIKVG GLFPDRQERD LSSACLMENH SALD