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Vitamin B 12 is a coordination complex of cobalt, which occupies the center of a corrin ligand and is further bound to a benzimidazole ligand and adenosyl group. [18] Several related species are known and these behave similarly, in particular, all function as vitamins. This collection of compounds is sometimes referred to as "cobalamins".
Adenosylcobalamin (AdoCbl), also known as coenzyme B 12, cobamamide, and dibencozide, is one of the biologically active forms of vitamin B 12. [ 1 ] Schematic diagram of the propionate metabolic pathway.
Vitamin B12 is good for your brain and may help improve memory. But it also helps your red blood cells and nerves function, as well as assisting in the production of DNA, says Brian St. Pierre, ...
Vitamin B 12 plays an integral role in this reaction. Coenzyme B 12 (adenosyl-cobalamin) is an organometallic form of Vitamin B 12 and serves as the cofactor of Methylmalonyl-CoA mutase, which is an essential enzyme in the human body. [4] The transformation of Methylmalonyl-CoA to Succinyl-CoA by this enzyme is a radical reaction. [4]
B12 is crucial for many important functions, and, with a few exceptions, the only way to get it is through animal-based foods or B12 supplements. “Vitamin B12 is an essential water-soluble ...
Cobalamin riboswitch is a cis-regulatory element which is widely distributed in 5' untranslated regions of vitamin B 12 (Cobalamin) related genes in bacteria. [1]Cobalamin (vitamin B 12, coenzyme B 12) riboswitches are structured RNA elements that regulate adjacent genes related to cobalamin metabolism in response to cobalamin binding.
Vitamin B12 does also accumulate in a few plant-based sources, including some mushrooms, seaweed, and nutritional yeast, but not enough to fortify vegans, who, in particular, should consider being ...
Vitamin B 12 deficiency can be determined, but not always. [14] This means it measures forms of vitamin B 12 that are "active" and can be used by the body, as well as the "inactive" forms, which cannot. [151] Vitamin B 12 deficiency can be found within normal levels, so clinical symptoms should be taken into account when a diagnosis is made. [2]