为改进微生物发酵法生产谷氨酰胺的流程，提出用电渗析方法来分离谷氨酰胺和谷氨酸。
In order to improve the microorganism fermentation process of producing glutamine, an electrodialysis method was developed to separate glutamic acid and glutamine.
该谷氨酰胺合成酶是自氨基端第405位氨基酸残基突变为苯丙氨酸的谷氨酸棒杆菌的谷氨酰胺合成酶。
The said glutamine synthetase is prepared by abrupt change of the 405th amino acid residue of amino end to phenylalanine corynebacterium glutamicum .
例如，酸处理破坏谷氨酸盐和天冬酰胺酸，而碱处理破坏胱氨酸、丝氨酸和苏氨酸，并产生赖氨酞胺丙氨酸和D -氨基酸。
For example, acidic treatments destroy glutamine and asparagine, whereas alkaline treatments destroy cystine, serine and threonine, and produce lysinoalanine and D-amino acids.
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