Talk:Glutamate–glutamine cycle

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I am in the process of editing this stub.Kbassett1995 (talk) —Preceding undated comment added 13:10, 19 March 2013 (UTC)

The GABA section refers to 4-aminobutyrate transaminase focussing on eventual succinate production via a further enzymatic reaction. Since this article is about the glutamate cycles, its catalysis into Glutamate is more relevant here than its participation in the TCA-cycle. Ditto the reference to that further enzymatic reaction to produce succinate. That would be better in an article referring to succinate, or the article referring to '4-aminobutyrate transaminase'.

A direct reference to 4-aminobutyrate transaminase would also be useful. --Leopardtail (talk) 17:47, 8 December 2013 (UTC)

leucine - an essential amino acid
Maybe someone can align these seemingly conflicting facts:

1. Stated synthesis of leucine in this article (ammonia section) presumably occurs in animals (nerves)

2. Leucine is an essential amino acid that cannot be synthesized in animals

Thanks for comments!

Dee