Hsp68
D. melanogaster
Heat shock protein 68
What the model saw
Gene: Hsp68 Organism: Drosophila melanogaster Known functions: Heat shock protein 68. heat shock protein 68. ATP binding. ATP hydrolysis activity. ATP-dependent protein folding chaperone. heat shock protein binding. protein folding chaperone.
View unredacted entry
Heat shock protein 68. heat shock protein 68. ATP binding. ATP hydrolysis activity. ATP-dependent protein folding chaperone. heat shock protein binding. protein folding chaperone.
Solver output
Hsp68 is a Drosophila Hsp70-family chaperone that uses ATP hydrolysis to drive the folding and refolding of misfolded or aggregated proteins, directly maintaining proteostasis. By preventing the accumulation of damaged, aggregated proteins—a hallmark of cellular aging—active chaperone function counteracts age-related proteotoxic stress. Overexpression of Hsp70-class chaperones in Drosophila has been shown to extend lifespan and delay age-associated protein aggregation. The ATP-dependent protein folding activity places Hsp68 squarely in the proteostasis network, where its normal function suppresses the loss-of-proteostasis hallmark of aging. Additionally, its heat shock protein binding activity suggests roles in co-chaperone complexes that further buffer proteotoxic insults.
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 Hsp68 in Drosophila melanogaster. The mechanistic reasoning is sound and well-articulated: Hsp68 is an Hsp70-family chaperone that maintains proteostasis through ATP-dependent protein folding, and overexpression of Hsp70-class chaperones in Drosophila is indeed associated with lifespan extension. The mechanism class (loss_of_proteostasis) is appropriate, as chaperones counteract this hallmark of aging. The confidence level of 0.82 is reasonable. The reasoning correctly identifies the key pathways and the biological basis for the pro-longevity classification.
Raw API responses
solver
{
"reasoning": "Hsp68 is a Drosophila Hsp70-family chaperone that uses ATP hydrolysis to drive the folding and refolding of misfolded or aggregated proteins, directly maintaining proteostasis. By preventing the accumulation of damaged, aggregated proteins—a hallmark of cellular aging—active chaperone function counteracts age-related proteotoxic stress. Overexpression of Hsp70-class chaperones in Drosophila has been shown to extend lifespan and delay age-associated protein aggregation. The ATP-dependent protein folding activity places Hsp68 squarely in the proteostasis network, where its normal function suppresses the loss-of-proteostasis hallmark of aging. Additionally, its heat shock protein binding activity suggests roles in co-chaperone complexes that further buffer proteotoxic insults.",
"confidence": 0.82,
"key_pathways": [
"HSP70 chaperone-mediated protein folding",
"heat shock response",
"proteostasis network"
],
"mechanism_class": "loss_of_proteostasis",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for Hsp68 in Drosophila melanogaster. The mechanistic reasoning is sound and well-articulated: Hsp68 is an Hsp70-family chaperone that maintains proteostasis through ATP-dependent protein folding, and overexpression of Hsp70-class chaperones in Drosophila is indeed associated with lifespan extension. The mechanism class (loss_of_proteostasis) is appropriate, as chaperones counteract this hallmark of aging. The confidence level of 0.82 is reasonable. The reasoning correctly identifies the key pathways and the biological basis for the pro-longevity classification.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}