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Fig 17.8 Biosynthesis of amino acids

Fig 17.8 Biosynthesis of amino acids. Table 17.1. A. Alanine, Asparagine, Aspartate, Glutamate and Glutamine. Pyruvate is the amino-group acceptor in alanine synthesis. Oxaloacetate is the amino-group acceptor in the synthesis of aspartate. Synthesis of asparagine.

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Fig 17.8 Biosynthesis of amino acids

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  1. Fig 17.8 Biosynthesis of amino acids

  2. Table 17.1

  3. A. Alanine, Asparagine, Aspartate, Glutamate and Glutamine • Pyruvate is the amino-group acceptor in alanine synthesis

  4. Oxaloacetate is the amino-group acceptor in the synthesis of aspartate

  5. Synthesis of asparagine

  6. B. Serine, Gycine, and Cysteine • Fig 17.9 Serine is derived from the glycolytic intermediate 3-phosphoglycerate

  7. Fig 17.9 (continued) (from previous slide)

  8. Fig 17.10 Biosynthesis of glycine

  9. Fig 17.11 • Compounds formedfrom serine and glycine

  10. Fig 17.12 • Cysteine biosynthesis from serine in bacteria, plants

  11. Fig 17.13 Cysteine biosynthesis in mammals

  12. 17.5 Synthesis of Essential Amino Acids • Pathways have largely been determined from studies with bacteria • Plants are thought to synthesize essential amino acids by similar pathways

  13. D. Tyrosine Fig 17.15 (continued next slide)

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