Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Biochem-Cosub etc

Med’11 Biochemistry Enzymes - Cosubstrates, Prosthetic Groups, &Vitamins

NADH (& NADPH) Nicotinamide adenine dinucleotide Precursor: Niacin Defic: Pellagra Role: Redox involving 2-e transfer Enz: Dehydrogenase
FAD Flavin adenine dinucleotide Precursor: riboflavin B2 Defic: growth retardation Role: redox involving 1- and 2-e transfer Enz: flavoenzymes
CoA Coenzyme A Precursor: pantothenate B3 Defic: dermatitis in chicks Role: acyl transfer Enz: 100s of enz
TPP Thiamine Pyrophosphate Precursor: Thiamine B1 Defic: beriberi Role: transfer of 2-C fragment containing carbonyl Enz: some carboxylases
PLP Pyroxidal Phosphate Precursor: pyroxidal, pyroxine, pyroximine B6 Defic: dermatitis in rats Role: transfer of groups to and from A.A. Enz: transaminase
Biotin Biotin Precursor: Biotin Defic: dermatitis in humans Role: carboxyl grp transfer & ATP dependent carboxylation Enz: some carboxylases
Tetrahydrofolate Tetrahydrofolate Precursor: folic acid Defic: anemia, spina befida Role: 1-C transfer Enz: dihydrofolate reductase & others
Cobalamin Cobalamin Precursor: methylcobalamin, adenosylcobalamin Defic: pernicous anemia Role: intermolecular rearrangement, methyl transfer Enz: methylmalonyl-coA mutase; homocysteine methyltransferase
Lipoamide Lipoamide Precursor: lipoic acid Defic: NONESSENTIAL Role: acyl transfer Enz:dihydrolipoamide; acyltransferase
Vitamin K Deficiency: blood clotting disorder Role: carboxylation of Glu Enz: vitamin K-dependent carboxylase
Ubquinone AKA: Coenzyme Q Role: electron transfer Enz: mitochondrial enzyme
Vitamin A Role: Vision Solubility: Lipid Deficiency: Night blindness
Vitamin C Role: Antioxidant Solubility: Water Deficiency: Scurvy
Vitamin D Role: Gene expression Solubility: Lipid Deficiency: Rickets
Vitamin E Role: Antioxidant Solubility: Lipid Deficiency: Fragile blood cells
Created by: Salma O