谷氨酰胺 Traditional form: 谷氨酰胺 Pinyin (reading): gǔ'ānxiān'àn Definitions: glutamine (Gln), an amino acid Characters: 谷 - valley, gorge, ravine 氨 - ammonia 酰 - acylate 胺 - amine Traditional characters: 谷 - valley, gorge, ravine 氨 - ammonia 酰 - acylate 胺 - amine