Vitaminsfaculty.uca.edu/lorii/4320_pdf/transparencies/figs/... · 2003. 10. 11. · Harcourt, Inc. items and derived items copyright @ 2002 by Harcourt, Inc. Garrett/Grisham, Biochemistry

Vitamins

NAD+ and NADH

Participates in redox reactionsImportant in electron transport

Riboflavin (Vitamin B2)

Also involved in redox reactionsAnd electron transport

Thiamine (Vitamin B1)

Thiamine pyrophosphate (TPP) is active formCofactor in decarboxylations when COO- is next to carbonyl

*

* Important reaction

Biotin

Long tether allows biotin to Pick up carboxylate groups in one placeUse them in another

Pantothenic Acid (Vitamin B3)

Coenzyme AImportant in manyMetabolic steps

Vitamin B12

Vitamin C

Reducing agent

Lipoic Acid

Redox reactionsAcyl carrier

Vitamin A

ADH in fetus makes retinoic acid

PLP (vitamin B6)

Reactions catalyzed by PLP