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
What is the main source of dietary iron
Heme (a glycine derivative)
Deficiencies in Heme synthesis
Porphyrias
Non-liver enzyme deficiencies manifest as
light sensitivity and altered skin pigmentation
Liver enzyme deficiencies usually show symptoms
pain and cardiac dysfunction
Derived molecules of Glutamate
Glutathione
Polyamaines
GABA
Argine derived molecules
NO
Creatine phosphate
Methionine derivative
SAM
Histidine derivative
Histamine- promotes HCL secretion, vasodilation, neurotransmission