| 11. | This enzyme participates in glycine, serine and threonine metabolism.
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| 12. | B-Raf is a serine / threonine-specific protein kinase.
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| 13. | Constitutive phosphorylation occurs on tyrosine, serine and threonine residues.
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| 14. | However, balanol does not inhibit all serine / threonine kinases uniformly.
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| 15. | In cyclothiazomycin B, the second threonine is an arginine.
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| 16. | Serine / Threonine kinases are also known to reduce the activity of insulin.
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| 17. | The threonine residue is susceptible to numerous posttranslational modifications.
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| 18. | TGF & beta; receptors are single pass serine / threonine kinase receptors.
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| 19. | Isoleucine forms a negative feedback loop with threonine dehydrogenase.
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| 20. | ThrA and LysC are also feed-back inhibited by threonine and lysine.
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