The oxaloacetate/aspartate family of amino acids is composed of lysine , asparagine , methionine , threonine , and isoleucine . Aspartate can be converted into lysine, asparagine, methionine and threonine. Threonine also gives rise to isoleucine . All of these amino acids contain different mechanisms for their regulation, some being more complex than others. All the enzymes in this biosynthetic pathway are subject to regulation via feedback inhibition and/or repression at the genetic level. As is typical in highly branched metabolic pathways, there is additional regulation at each branch point of the pathway. This type of regulatory scheme allows control over the total flux of the aspartate pathway in addition to the total flux of individual amino acids. The aspartate pathway uses L-aspartic acid as the precursor for the biosynthesis of one fourth of the building block amino acids. Without this pathway, protein synthesis would not be possible.
I. Significance of Fatty Acid Metabolism
II. Acetyl CoA -- The Center of Lipid Metabolism
III. General Features of Fatty Acid Structure
V. De novo Synthesis of Fatty Acids
VI. Modification of Dietary and Endogenous Fatty Acids
VII. Mobilization and Transport of Adipose Fatty Acid
VIII. Fatty Acid Activation and Transport into the
IX. Mitochondrial beta-oxidation
X. Synthesis and Utilization of Ketone Bodies
XI. Overall Regulation of Fatty Acid Metabolism
Exactly, it’s the diet, not an individual food that is important. If one’s diet includes “adequate” amounts of all the vegan food groups: grains (typically 10 – 15% of calories from protein), nuts/seeds (typically 10 – 20% protein), legumes (typically 20 – 30% protein), vegetables (range between 5 and 50% protein) and fruit (negligible amounts of protein), a person is pretty much guaranteed to get adequate amounts of protein, and by the way, cumulatively adding up to complete proteins even though most individual foods will not have complete proteins. Fruits and vegetables alone will not do it. But all the food groups will do it easily.