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Coenzymes
VCOM Block 1 2011
16
Biochemistry
Post-Graduate
08/11/2011

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Cards

Term
Adenosine Triphosphate (ATP)
Definition
Transfer of phosphoryl or nucleotidyl groups
**phosphate group
Term
S-Adenosylmethionine
Definition
Transfer of one methyl group
**methyl group
Term
NAD and NADP (NIACIN)
Definition
oxidation-reduction reactions invovling two electrons
**nitogens in rings of nicotinamide mononucleotide
Term
FMN and FAD (RIBOFLAVIN)
Definition
oxidation-reduction reactions involving one or two electrons
**2 nitrogen atoms in the riboflavin rings
Term
Coenzyme A (PANTOTHENATE)
Definition
transfer of acyl groups
**sulfhydryl group
Term
Thiamine pyrophosphate (TTP) (THIAMINE)
Definition
transfer of two carbon fragments containing a carbonyl group
**CH group on five-membered nitrogenous ring
Term
Pyrodoxil phosphate (PYRODOXINE)
Definition
transfer of groups to and from amino acids
**aldehyde group
Term
Biotin (BIOTIN)
Definition
ATP-dependent carboxylation or transfer of carboxyl groups
**NH group on the funky ring
Term
Tetrahydrofolate (FOLATE)
Definition
transfer of one-carbon constituents, especially formyl groups and hydroxymethyl groups; provides the methyl group for thymine in DNA
** two N atoms
Term
Adenosylcobalamine (COBALAMINE)
Definition
intramolecular rearrangements
**Co2+
Term
Methylcobalamine (COBALAMINE)
Definition
transfer of methyl groups
**Co2+
Term
Lipoamide
Definition
oxidation of a hydroxyalkyl group from TPP and subsequent transfer as an acyl group
**disulfide bond
Term
Retinal (VITAMIN A)
Definition
Vision
Term
Vitamin K
Definition
Carboxylation of some glutamate residues
Term
Ubiquinone
Definition
Lipid-soluble electron carrier
Term
Vitamin C
Definition
**hydroxyl on carbons in ring with double bond between them
donates electrons to reduce targets
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