Enzymes 1 Flashcards

1
Q

Kinase group

A

Transfer phosphate groups from one molecule to another using a nucleotide phosphate as donor

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2
Q

Aminotransferase

A

Transfer amino acids using pyridoxine phosphate

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3
Q

Examples of co enzymes

A
  1. Tetrahydrofolate
  2. Pyridoxal phosphate
  3. Co enzyme A
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4
Q

Competitive Inhibition

A

Vmax is unchanged, but km increases.

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5
Q

Examples of competitive inhibitors
( ASRC)

A
  1. Atorvastatin = 3H3MG CoA Reductase = Hypolipidaemia.
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6
Q

Competitive Inhibitor

A
  1. Sildenafil = cGMP PDE5 = Erectile dysfunction.
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7
Q

Competitive Inhibitor

A

Ritonavir = HIV Protease = Antiretoviral

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8
Q

Competitive Inhibitor

A

Captopril = ACE = Antihypertensive.

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9
Q

Non competitive Inhibitors = Vmax is reduced, Km us constant.
(ANDT)

A

Acetazolamide = carbonic anhydrase = Glaucoma, Weak diuretic.

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10
Q

Non competitive Inhibitors

A
  1. Nevirapine = HIV reverse transcriptase = Antiretroviral.
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11
Q

Non competitive Inhibitors

A
  1. Doxycycline = Collagenase = Arthritis.
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12
Q

Non competitive Inhibitors

A
  1. Tacrine = AChe = Alzheimer’s disease
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13
Q

Uncompetitive Inhibitors, Vmax decreases, Km decreases [ LFC]

A
  1. Lithium = Impase = Mania
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14
Q

Uncompetitive Inhibitors

A
  1. Finasteride = 5 alpha reductase = BPH
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15
Q

Uncompetitive Inhibitors

A
  1. Camptothecin = Topoisomerase = Anticancer.
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16
Q

Irreversible Inhibitors [ ACOA]

A

1.Allopurinol = Xanthine Oxidase= Gout.

17
Q

Irreversible Inhibitors

A
  1. Clavulanic acid = B- lactamase = Codrug
18
Q

Uncompetitive Inhibitors

A
  1. Organophosphates ( dyflos, parathion) = AChe = insecticide/ nerve gases.
19
Q

Uncompetitive Inhibitors

A
  1. Aspirin = Anti-inflammation/ Analgesic. = Cycloodygenase.