The Role of EHD Proteins at the Neuronal Synapse
Why this work is in the frame
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Bibliographic record
Abstract
Eps15 homology domain (EHD) proteins are conserved adenosine triphosphatases that are involved in membrane remodeling. EHD family members are structurally similar to the guanosine triphosphatase (GTPase) dynamin, and both are essential for the fission step of clathrin-mediated endocytosis. This Journal Club highlights a recent study by Jakobsson et al. that reports the unexpected finding that, rather than having a redundant function, EHD can regulate dynamin activity. Dynamin helices assemble around the neck of budding endocytic vesicles; as dynamin helices lengthen, the neck of the growing bud may become so long that GTP hydrolysis is no longer sufficient to promote fission. EHD increases the efficiency of dynamin-induced fission by restricting the length of dynamin helices. Furthermore, EHD is able to bind both dynamin and amphiphysin. Therefore, we propose a model whereby amphiphysin recruits both EHD and dynamin in neurons to regulate clathrin-dependent synaptic vesicle endocytosis.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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