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A moonlighting metabolic enzyme shines light on translation initiation.

Developmental cell

Authors: Vivian Lobo, Kathrin Leppek

Metabolic enzymes can moonlight as gene regulators by binding RNA, but the functions of most enzyme-RNA interactions remain unclear. In this issue of Developmental Cell, Zhang et al. reveal that the proline biosynthesis enzyme Δ1-pyrroline-5-carboxylate synthase (P5CS) inhibits oncogene translation by blocking the assembly of the pre-initiation complex.

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PMID: 42419282

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