The Twenty

Atlas/Glu

E

Glutamate

Glu

AcidicNon-essentialHydrophilicSide-chain pKa 4.1129 Da

Propionate (–CH₂CH₂COOH)

  • The longer of the two acidic residues (two methylenes).
  • Side-chain pKa ≈ 4.1; also the precursor of GABA.

Mastery: unseen

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Structure of Glutamate
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