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Glutamine

Amino acid
Formula: C5H10N2O3
3D model (JSmol): Interactive image; Zwitterion: Interactive image
Abbreviations: Gln, Q
Acidity (pKa): 2.2 (carboxyl), 9.1 (amino)
Chiral rotation (D): +6.5º (H2O, c = 2)
Melting point: decomposes around 185°C
Molar mass: 146.146 g·mol−1