Vitamin B12 and methyl-group synthesis.
D000596:Amino Acids / Q000378:metabolism*; D006397:Hematinics; D014805:Vitamin B 12 / Q000494:pharmacology*
D000596:Amino Acids; D006397:Hematinics; D014805:Vitamin B 12
AMINO ACIDS/metabolism; VITAMIN B12/effects