The chemical reactions and pathways involving cobalamin (vitamin B12), a water-soluble vitamin characterized by possession of a corrin nucleus containing a cobalt atom.
corrin metabolic process +
folic acid metabolic process +
L-ascorbic acid metabolic process +
negative regulation of tetrapyrrole metabolic process +
nickel-tetrapyrrole coenzyme metabolic process +
nicotinamide metabolic process +
pantothenate metabolic process +
phytochromobilin metabolic process +
porphyrin-containing compound metabolic process +
positive regulation of tetrapyrrole metabolic process +