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
Tryptophan derivative
serotonin a precursor of melatonin
Tyrosine derivative
Epinephrine, Norepinephrine, Dopamine
Albinism is a deficiency in?
Tyrosinase
What tyrosine derivative is processed to form melanin
Dopaquinone
What is Adenylylation?
Addition of a AMP ribonucleotide
What is Uridylylation?
Addition of UMP ribonucleotide
Pyruvate/Alanine exchange by?
SGPT
OAA/Aspartate exchange by?
SGOT
Alpha-Ketoglutarate/Glutamate exchange by?
Glutamate deydrogenase
Glutamine donates an NH3 to Aspartate to form what?
Asparagine
Derivative of Glycine
Heme
Derivative of Glutamate
Glutathione, Polyamines, GABA
Derivative of Arginine
NO,Creatine Phosphate
Derivative of Methionine
SAM
Derivative of Histidine
Histamine
Derivative of Tryptophan
Serotonin
Derivative of Tyrosine
Epinephrine/norepinephrine, dopamine,melanins