Glutamine synthetase asparagine pathway

Fig. 2. The incorporation of ammonia derived by a number of pathways, into asparagine in higher plants, a. Nitrate reductase b, nitrite reductase c, nitrogenase .d, glutamine synthetase e, asparagine synthetase f, arginase g, urease h, ornithine transaminase i, glutamate dehydrogenase j, proline dehydrogenase k, transaminases.

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