Translations:Cyanocobalamin/23/en: Difference between revisions

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Message definition (Cyanocobalamin)
== Metabolism ==
The two bioactive forms of vitamin {{chem|B|12}} are [[methylcobalamin]] in [[cytosol]] and [[adenosylcobalamin]] in [[mitochondria]]. Multivitamins often contain cyanocobalamin, which is presumably converted to bioactive forms in the body. Both methylcobalamin and adenosylcobalamin are commercially available as supplement pills. The [[MMACHC]] gene product catalyzes the decyanation of cyanocobalamin as well as the dealkylation of alkylcobalamins including methylcobalamin and adenosylcobalamin. This function has also been attributed to [[Cyanocobalamin reductase (cyanide-eliminating)|cobalamin reductases]]. The MMACHC gene product and cobalamin reductases enable the interconversion of cyano- and alkylcobalamins.

Metabolism

The two bioactive forms of vitamin B
12 are methylcobalamin in cytosol and adenosylcobalamin in mitochondria. Multivitamins often contain cyanocobalamin, which is presumably converted to bioactive forms in the body. Both methylcobalamin and adenosylcobalamin are commercially available as supplement pills. The MMACHC gene product catalyzes the decyanation of cyanocobalamin as well as the dealkylation of alkylcobalamins including methylcobalamin and adenosylcobalamin. This function has also been attributed to cobalamin reductases. The MMACHC gene product and cobalamin reductases enable the interconversion of cyano- and alkylcobalamins.

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