lec16 - its a legume! fixes nitrogen The nitrogen cycle fig...

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it’s a legume! fixes nitrogen
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The nitrogen cycle fig 22-1
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N 2 NO 4 + conversion to needed compounds 4 + nitrogen fixation nitrifying bacteria plants, some bacteria mammalian diet Usual route of N from atmosphere to mammalian metabolism
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fig 22-2 nitrogenase at the heart of N 2 fixation
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symbiosis of N 2 fixing bacteria fig 22-4
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fig 22-5 glutamine synthetase glutamate + ATP + NH 4 + glutamine + ADP + Pi
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fig 22-6 allosteric regulation of glutamine synthetase
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fig 22-7 adenylylation (often “adenylation”)
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adenylylation regulates GS, and… uridylylation regulates adenylylation of GS!! fig 22-7
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glutamine amidotransferases S gln glu S 3 +
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amino acids are synthesize from Krebs , glycolysis and pentose phosphate pathways
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fig 22-21 classic allosteric regulation of amino acid synthesis
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fig 22-22 interlocking regulation of multiple pathways by allosteric regulation
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things from amino acids… fig 22-27 glutathione!
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from amino acids… tyrosine epinephrine norepinephrine dopamine glutamate γ - aminobuterate (glutamate) tryptophan serotonin neurotransmitters! arginine
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lec16 - its a legume! fixes nitrogen The nitrogen cycle fig...

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