Title : Phosphorylation of GENOMES UNCOUPLED 4 Alters Stimulation of Mg Chelatase Activity in Angiosperms.

Pub. Date : 2016 Nov

PMID : 27688621






2 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 Phosphorylated GUN4 has a reduced stimulatory effect on MgCh in vitro and in vivo but retains its protein stability and tetrapyrrole binding capacity. Tetrapyrroles protein GENOMES UNCOUPLED 4 Arabidopsis thaliana
2 In conjunction with the dark repression of 5-aminolevulinic acid synthesis, GUN4 phosphorylation minimizes the flow of intermediates into the Mg branch of the tetrapyrrole metabolic pathway for chlorophyll biosynthesis. Tetrapyrroles protein GENOMES UNCOUPLED 4 Arabidopsis thaliana