Atg7
D. melanogaster
Autophagy-related 7
What the model saw
Gene: Atg7 Organism: Drosophila melanogaster Known functions: Autophagy-related 7. Atg12 activating enzyme activity. Atg8 activating enzyme activity. protein binding. ubiquitin-like modifier activating enzyme activity.
View unredacted entry
Autophagy-related 7. Atg12 activating enzyme activity. Atg8 activating enzyme activity. protein binding. ubiquitin-like modifier activating enzyme activity.
Solver output
Atg7 is the E1-like ubiquitin-activating enzyme that is essential for two critical ubiquitin-like conjugation cascades in autophagy: it activates Atg12 (for the Atg12–Atg5 conjugate) and Atg8/LC3 (for lipidation onto the autophagosomal membrane), both of which are indispensable for autophagosome biogenesis and cargo sequestration. Without functional Atg7, macroautophagy is severely impaired, leading to accumulation of damaged proteins and organelles. In Drosophila, loss of Atg7 reduces lifespan and accelerates age-related tissue degeneration, while its normal activity sustains autophagic flux that clears proteotoxic aggregates and dysfunctional mitochondria. This places Atg7 squarely within the disabled macroautophagy hallmark, where its normal function is required to maintain proteostasis and organismal longevity.
GenAge curators classify each gene's normal function as promoting (Pro-Longevity) or opposing (Anti-Longevity) longevity, based on synthesis across studies. Loss-of-function effects can vary from this depending on the manipulation.
Advisor judgment
The model correctly predicted pro_longevity for Atg7 in Drosophila with high confidence (0.93). The mechanistic reasoning is excellent and accurate: Atg7 is indeed the E1-like activating enzyme for both the Atg12-Atg5 and Atg8/LC3 conjugation cascades, both essential for autophagosome biogenesis. The model correctly identifies that loss of Atg7 impairs macroautophagy, leading to accumulation of damaged proteins/organelles and reduced lifespan in Drosophila. The key pathways identified are all relevant and accurate. The mechanism class "disabled_macroautophagy" is appropriate given that Atg7's normal function supports longevity through maintaining autophagic flux.
Raw API responses
solver
{
"reasoning": "Atg7 is the E1-like ubiquitin-activating enzyme that is essential for two critical ubiquitin-like conjugation cascades in autophagy: it activates Atg12 (for the Atg12–Atg5 conjugate) and Atg8/LC3 (for lipidation onto the autophagosomal membrane), both of which are indispensable for autophagosome biogenesis and cargo sequestration. Without functional Atg7, macroautophagy is severely impaired, leading to accumulation of damaged proteins and organelles. In Drosophila, loss of Atg7 reduces lifespan and accelerates age-related tissue degeneration, while its normal activity sustains autophagic flux that clears proteotoxic aggregates and dysfunctional mitochondria. This places Atg7 squarely within the disabled macroautophagy hallmark, where its normal function is required to maintain proteostasis and organismal longevity.",
"confidence": 0.93,
"key_pathways": [
"Atg8/LC3 lipidation cascade (autophagosome membrane elongation)",
"Atg12–Atg5 conjugation cascade (autophagy initiation complex)",
"macroautophagy / selective autophagy flux"
],
"mechanism_class": "disabled_macroautophagy",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for Atg7 in Drosophila with high confidence (0.93). The mechanistic reasoning is excellent and accurate: Atg7 is indeed the E1-like activating enzyme for both the Atg12-Atg5 and Atg8/LC3 conjugation cascades, both essential for autophagosome biogenesis. The model correctly identifies that loss of Atg7 impairs macroautophagy, leading to accumulation of damaged proteins/organelles and reduced lifespan in Drosophila. The key pathways identified are all relevant and accurate. The mechanism class \"disabled_macroautophagy\" is appropriate given that Atg7's normal function supports longevity through maintaining autophagic flux.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}