VITAMIN B12 and methionine in E. coli.
D004926:Escherichia coli / Q000378:metabolism*; D006801:Humans; D008715:Methionine / Q000378:metabolism*; D014805:Vitamin B 12
D008715:Methionine; D014805:Vitamin B 12
ESCHERICHIA COLI/metabolism; METHIONINE/metabolism; VITAMIN B12