Hsc70-3
D. melanogaster
Heat shock protein 70 cognate 3
What the model saw
Gene: Hsc70-3 Organism: Drosophila melanogaster Known functions: Heat shock protein 70 cognate 3. heat shock protein 70 cognate 3. ATP binding. ATP hydrolysis activity. ATP-dependent protein folding chaperone. heat shock protein binding. protein binding. protein folding chaperone. protein-transporting ATPase activity.
View unredacted entry
Heat shock protein 70 cognate 3. heat shock protein 70 cognate 3. ATP binding. ATP hydrolysis activity. ATP-dependent protein folding chaperone. heat shock protein binding. protein binding. protein folding chaperone. protein-transporting ATPase activity.
Solver output
Hsc70-3 is a constitutively expressed Hsp70-family chaperone that uses ATP hydrolysis to drive protein folding, refolding of misfolded proteins, and protein translocation across membranes (e.g., into the ER lumen via the BiP/GRP78 pathway). By maintaining proteostasis—preventing the accumulation of misfolded and aggregated proteins—it directly opposes a central hallmark of aging. Hsp70-family chaperones are well-established pro-longevity factors in Drosophila and other model organisms; elevated chaperone activity extends lifespan, while loss of chaperone function accelerates age-related protein aggregation and shortens lifespan. The protein-transporting ATPase activity further implicates it in ER-associated protein quality control, a pathway whose decline is tightly linked to aging and age-related proteotoxic diseases.
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 Hsc70-3. The mechanistic reasoning is sound: Hsc70-3 is indeed a BiP/GRP78 homolog (ER-resident Hsp70 chaperone) involved in proteostasis, and the model correctly identifies its role in protein folding, ER protein translocation, and protein quality control as pro-longevity mechanisms. The reasoning about Hsp70-family chaperones being well-established pro-longevity factors in Drosophila is accurate. The confidence of 0.78 is appropriate. Minor note: the model could have been more specific that Hsc70-3 is the Drosophila BiP/GRP78 ortholog (ER lumen chaperone), but the overall mechanistic framework is correct.
Raw API responses
solver
{
"reasoning": "Hsc70-3 is a constitutively expressed Hsp70-family chaperone that uses ATP hydrolysis to drive protein folding, refolding of misfolded proteins, and protein translocation across membranes (e.g., into the ER lumen via the BiP/GRP78 pathway). By maintaining proteostasis—preventing the accumulation of misfolded and aggregated proteins—it directly opposes a central hallmark of aging. Hsp70-family chaperones are well-established pro-longevity factors in Drosophila and other model organisms; elevated chaperone activity extends lifespan, while loss of chaperone function accelerates age-related protein aggregation and shortens lifespan. The protein-transporting ATPase activity further implicates it in ER-associated protein quality control, a pathway whose decline is tightly linked to aging and age-related proteotoxic diseases.",
"confidence": 0.78,
"key_pathways": [
"protein quality control / chaperone-mediated proteostasis",
"ER protein translocation (BiP/GRP78 pathway)",
"heat shock response"
],
"mechanism_class": "loss_of_proteostasis",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for Hsc70-3. The mechanistic reasoning is sound: Hsc70-3 is indeed a BiP/GRP78 homolog (ER-resident Hsp70 chaperone) involved in proteostasis, and the model correctly identifies its role in protein folding, ER protein translocation, and protein quality control as pro-longevity mechanisms. The reasoning about Hsp70-family chaperones being well-established pro-longevity factors in Drosophila is accurate. The confidence of 0.78 is appropriate. Minor note: the model could have been more specific that Hsc70-3 is the Drosophila BiP/GRP78 ortholog (ER lumen chaperone), but the overall mechanistic framework is correct.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}