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Cobalamins aquacobalamin cyanocobalamin

Scheme 2 Structure of cobalamin, where X = CN for cyanocobalamin (vitamin Bi2), X = H20 for aquacobalamin (vitamin Bi2a) and X = 5 -deoxyadenosyl for coenzyme B12. Scheme 2 Structure of cobalamin, where X = CN for cyanocobalamin (vitamin Bi2), X = H20 for aquacobalamin (vitamin Bi2a) and X = 5 -deoxyadenosyl for coenzyme B12.
A perspective report emphasised the key role of the application of pressure in kinetic studies in bringing clarity to understanding the mechanism of substitution reactions of cobalamins.193 The effect of various alkyl substituents in the trans position on the kinetic, thermodynamic and ground-state properties has been studied. Cobalamins featuring in these studies were cyanocobalamin (vitamin Bi2), aquacobalamin and the complex formed when the cyano or water ligand is replaced... [Pg.35]

Depending on the axial ligand tram to dimethylbenzimidazole, cobalamins differ with their affinity for NO Aquacobalamin (H20-Cbl) and hydroxocobalamin (OH-Cbl) readily react with nitric oxide, unlike cyanocobalamin [CN-Cbl],... [Pg.80]

See other pages where Cobalamins aquacobalamin cyanocobalamin is mentioned: [Pg.287]    [Pg.303]    [Pg.48]    [Pg.128]    [Pg.522]    [Pg.393]    [Pg.396]    [Pg.425]    [Pg.416]   


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Aquacobalamin

Cobalamin cyanocobalamin

Cobalamine

Cobalamines

Cobalamins

Cyanocobalamin

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