ENERGY IN PROTEIN DEGRADATION

BIOENERGETICS

(WEEK 11b)

Amino acid

-keto acid

NH3+

Urea cycle

TCAProtein storage

(cell)

Protein (diet)

Hidrolysis

Digestion

Absorbtion

OVERVIEW OF PROTEIN CATABOLISM -TCA

UreaAmonia Uric acid

excreted forms of nitrogen

OVERVIEW OF AMINO ACID CATABOLISM

TCA-ENTRY POINT OF VARIOUS AMINO ACID

DEGRADATION OF C3 AMINO ACIDS

TCA

DEGRADATION OF POLAR AMINO ACIDS

TCA

DEGRADATION OF NONPOLAR AMINO ACIDS

TCA

CYTRIC ACID CYCLE ENTRY POINT OF AMINO ACID