L: 32 Synthesis Flashcards
What intermediate molecules from glycolysis are used to synthesize AA
3-phosphoglycerate, phosphoenolpyruvate, and pyruvate
What molecule from TCA cycle synthesize AA
alpha-ketoglutarate and oxaloacetate
what molecule from pentose pathway synthesize AA
ribose-5-phosphate and erythrose-5-phosphate
Nonessential AA
Alanine, Asparagine, Aspartic Acid, Cysteine, Glutamic Acid, Glutamine, Glycine, Proline, Serine, Tyrosine
essential AA tend to be_____ synthesis
Secondary
Glutamine maintains P2 in what form?
Inhibitor (-UMP)
Adenylylation does what to Glutamine synthetase?
Inactivates
Alpha-ketoglutarate and ATP maintain P2 in what form
Active (+UMP)
3-phosphoglycerate—>3rxn to make?
Serine
Serine—-> B6 and B12—–>to what?
Glycine
Serine is converted to cysteine through?
Homocysteine intermediate
Tyrosine is a catabolic intermediate of ?
Phenylalanine
Histidine is synthesized from
Ribose-5-phosphate
Tryptophan, Phenylalanine, and tyrosine synthesis begins by combining what?
Erythrose-4-phosphate and phosphoenolpyruvate to make Chorismate`
What are the branched AA valine, leucine, and isoleucine synthesized from?
Pyruvate
What are the two central AA
Glycine and Serine