Structure–Activity Studies of Bis‐<i>O</i>‐Arylglycolamides: Inhibitors of the Integrated Stress Response
Why this work is in the frame
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Bibliographic record
Abstract
The integrated stress response comprises multiple signaling pathways for detecting and responding to cellular stress that converge at a single event-the phosphorylation of Ser51 on the α-subunit of eukaryotic translation initiation factor 2 (eIF2α). Phosphorylation of eIF2α (eIF2α-P) results in attenuation of global protein synthesis via the inhibitory effects of eIF2α-P on eIF2B, the guanine exchange factor (GEF) for eIF2. Herein we describe structure-activity relationship (SAR) studies of bis-O-arylglycolamides, first-in-class integrated stress response inhibitors (ISRIB). ISRIB analogues make cells insensitive to the effects of eIF2α-P by activating the GEF activity of eIF2B and allowing global protein synthesis to proceed with residual unphosphorylated eIF2α. The SAR studies described herein support the proposed pharmacology of ISRIB analogues as binding across a symmetrical protein-protein interface formed between protein subunits of the dimeric eIF2B heteropentamer.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it