is conjugate base of glutamine glutaminate glutamine anion 145.06187 An alpha-amino-acid anion that is the conjugate base of glutamine, arising from deprotonation of the carboxy group. ZDXPYRJPNDTMRX-UHFFFAOYSA-M 2,5-diamino-5-oxopentanoate gln(-) 145.13664 -1 CHEBI:32678 chebi_ontology NC(CCC(N)=O)C([O-])=O C5H9N2O3 Gmelin:464703 InChI=1S/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H2,7,8)(H,9,10)/p-1 glutaminate alpha-amino-acid anion