ArticleProceedings of the National Academy of Sciences of the United States of America2024
Challenging a decades-old paradigm: ProB and ProA do not channel the unstable intermediate in proline synthesis after all.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- Harnessing the thermotolerant methylotroph Bacillus methanolicus for methanol-based synthetic L-proline production.Microbial cell factories · 2026Article
- The Substrate Versatility of ΔMolecules (Basel, Switzerland) · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
Abstract
The pathway for synthesis of proline in most forms of life produces a highly unstable intermediate, γ-L-glutamyl 5-phosphate (GP). For nearly 70 y, channeling of this intermediate from the active site of glutamate 5-kinase to the active site of GP reductase has been believed to protect GP from cyclization to a dead-end product. However, the evidence presented in support of this idea is not conclusive. We show that changes in the structures of the kinase or reductase that should preclude a protein-protein interaction do not compromise proline synthesis in
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Registered trials
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