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carboxylation

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carboxylation /car·box·y·la·tion/ (kahr-bok″sĭ-la´shun) the addition of carbon dioxide or bicarbonate to form a carboxyl group, as to pyruvate to form oxaloacetate.
car·box·yl·a·tion (kär-bks-lshn)
n.
The introduction of a carboxyl group into a compound or molecule.

carboxylation
[-lā′shən]
a chemical process in which a carboxyl group (COOH) replaces a hydrogen atom.

carboxylation [kahr-bok″sil-a´shun]
the addition of a carboxyl group, as to pyruvate to form oxaloacetate.

carboxylation (kärbok´slā´shn),
n the chemical process by which a carboxyl group (COOH) is added or displaces a hydrogen atom.

carboxylation
the addition of a carboxyl group, as to pyruvate to form oxaloacetate.


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Vitamin K denotes a group of fat-soluble vitamins (Kl and K2) primarily responsible for the carboxylation (activation) of certain proteins that block precipitation of calcium in the arteries, allowing it to bind to the mineral structure of bone.
The modification will also alter the functions of a protein in both ways, adding functions or removing functions, for instance, phosphorylation and dephosphorylation, carboxylation and decarboxylation.
Biotin (also called vitamin H, co-enzyme R) is involved in carbon dioxide transfer; that is, carboxylation reactions with effects on deamination.
 
 
 
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