xVitamin chart Flashcards

(48 cards)

1
Q

thiamine-cofactor

A

TPP (thiamine phosphate)

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2
Q

thiamine-disease

A

beriberi/wernicke-kosakoff

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3
Q

thiamine-vitamin #

A

B1

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4
Q

thiamine-typical reaction

A

decarboxylase of alpha keto-acids aldehyde transfer, transketolase
(pyruvate –> Acetyl CoA

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5
Q

Riboflavin-Vitamin#

A

B2

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6
Q

Riboflavin-cofactor

A

FAD/FMN

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7
Q

Riboflavin-disease

A

Deficiency rare in US chronic Alcoholics- glossitis, sebborrhea

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8
Q

Riboflavin_typical reaction

A

oxidation reduction

succinate–>fumarate

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9
Q

Pyridoxine-vitamin #

A

B6

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10
Q

Pyridoxine-cofactor

A

PLP

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11
Q

Pyridoxine-disease

A

deficiency rare-

peripheral neuropathy, microcytic anemia - delta ALA synth.

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12
Q

Pyridoxine-typical reaction

A

group transfer:
glycogen phosphorylase transaminations
Glutamate–>ketoglutarate
(aa catabolism/synth)

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13
Q

Nicotinic Acid-A.K.A.

A

Niacin

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14
Q

Nicotinic Acid-vitamin #

A

B3

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15
Q

Nicotinic Acid-cofactor

A

NAD

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16
Q

Nicotinic Acid-disease

A

pellagra(3D’s)

diarrhea,dermatitis,dementia

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17
Q

Nicotinic Acid-typical rxn

A

oxidation-reduction

malate–>OAA

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18
Q

Biotin-vitamin #

A

B7

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19
Q

Biotin-cofactor

A

Biotin

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20
Q

Biotin-disease

A

Dermatitis, enteritis

raw egg white consumption

21
Q

Biotin-typical rxn

A

Carboxylation-
pyruvate–>OAA
Acetyl CoA–>malonyl CoA

22
Q

Vitamin C-A.K.A

A

ASCORBIC ACID

23
Q

Vitamin C-cofactor

A

ASCORBIC ACID

24
Q

Vitamin C-disease

A

Scurvy-easily bruised, poor wound healing, hemmorrhaging

25
Vitamin C-tyipical rxn
Hydroxylation of proline and lysine in collagen or Dopamine Hydroxylase Pro-->4hydroxy-Pro or Dopamine-->NE
26
Vitamin D-cofactor
calcitrol
27
Vitamin D-disease
Rickets-osteomalacia: | inadequate bone mineralization
28
Vitamin D-typical rxn
COntrols serum Ca 2+ w/ parathyroid hormone & calcitonin Acts like steroid causing change in gene transcription
29
Cu 2+: cofactor
Cu 2+
30
Cu 2+:disease
menkes-deficiency
31
Cu 2+:disease
Wilson- copper accumulation
32
Cu 2+:typical rxn
Electron transport, lsyl oxidation | O2--> H20
33
Iron: Cofactor
Fe2+
34
Iron: disease
Microcytic anemia | (heme synth dependent on iron
35
Iodine:cofactor
I+ | iodinium required T3/T4
36
Iodine:disease
associated with both: hyperthyroid (graves disease)-BUGGED OUT EYES hypothyroid
37
Iodine:typical rxn
only used to make Thryoid Hormone | Tgb w/ Tyr residue + I+ -->Tgb w/T4
38
Folic Acid:vitamin #`
B9
39
Folic Acid:cofactor
Tetrahydrofolate-THF
40
Folic Acid:disease
macrocytic megaloblastic anemia spina bifida (neurological symptoms rare)
41
Folic Acid:typical rxn
deoxyuridylate-->Thymidylate | nucleotide biosynth
42
Cobalamin:vitamin #
B12
43
Cobalamin:cofactor
5' DEoxyadenosyl cobalmin
44
Cobalamin:disease
macrocytic megaloblastic anemia neuropathy (pernicious anemia=deficient in intrinsic factor)
45
Cobalamin:typical rxn
``` methyl transfer intramolecular rearrangement 2 relevant rxns in humans methylmalonyl CoA-->Succinyl CoA homocysteine + N-methyl THF--> Met + THF` ```
46
Vitamin K:cofactor
Vitamin KH2
47
Vitamin K:disease
hemmorrhagic syndrome=longer clotting times
48
Vitamin K:typical rxn
carboxylation | Glu-->gama CarboxyGlu (gla)