SSC1
S. cerevisiae
Hsp70 family ATPase SSC1
What the model saw
Gene: SSC1 Organism: Saccharomyces cerevisiae Known functions: Hsp70 family ATPase SSC1. ATP binding. ATP hydrolysis activity. enzyme regulator activity. heat shock protein binding. mitochondrial protein-transporting ATPase activity. protein binding. protein folding chaperone. protein translocation chaperone activity. unfolded protein binding.
View unredacted entry
Hsp70 family ATPase SSC1. ATP binding. ATP hydrolysis activity. enzyme regulator activity. heat shock protein binding. mitochondrial protein-transporting ATPase activity. protein binding. protein folding chaperone. protein translocation chaperone activity. unfolded protein binding.
Solver output
SSC1 encodes the mitochondrial Hsp70 chaperone in S. cerevisiae, a core component of the PAM (presequence translocase-associated motor) complex that drives ATP-dependent import and folding of nuclear-encoded proteins into the mitochondrial matrix. By binding unfolded polypeptides and hydrolyzing ATP to drive protein translocation and refolding, SSC1 is essential for maintaining mitochondrial proteostasis. Loss of proteostasis—particularly in the mitochondrial compartment—is a hallmark of aging, and mitochondrial Hsp70 activity directly counteracts the accumulation of misfolded or aggregated proteins that drive cellular dysfunction. Additionally, proper mitochondrial protein import supported by SSC1 is required for maintaining oxidative phosphorylation capacity and mitochondrial integrity, both of which decline with age. Chaperone systems like SSC1 are therefore canonical pro-longevity factors that preserve proteome quality under stress conditions.
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 predicted SSC1 as pro_longevity with 0.82 confidence, but the ground truth is anti_longevity. The model's reasoning about SSC1's role as a mitochondrial Hsp70 chaperone involved in protein import and proteostasis is mechanistically accurate in terms of the gene's function, but the model incorrectly extrapolated that because SSC1 maintains proteostasis it must be pro-longevity. In reality, SSC1 is classified as anti_longevity in GenAge, meaning its loss or reduction extends lifespan. This is a common pattern where essential chaperones, when reduced, can trigger hormetic responses or reduce the burden of maintaining certain mitochondrial functions, paradoxically extending lifespan. The model's reasoning is plausible but ultimately wrong in its conclusion, and it was highly confident in the incorrect direction.
Raw API responses
solver
{
"reasoning": "SSC1 encodes the mitochondrial Hsp70 chaperone in S. cerevisiae, a core component of the PAM (presequence translocase-associated motor) complex that drives ATP-dependent import and folding of nuclear-encoded proteins into the mitochondrial matrix. By binding unfolded polypeptides and hydrolyzing ATP to drive protein translocation and refolding, SSC1 is essential for maintaining mitochondrial proteostasis. Loss of proteostasis—particularly in the mitochondrial compartment—is a hallmark of aging, and mitochondrial Hsp70 activity directly counteracts the accumulation of misfolded or aggregated proteins that drive cellular dysfunction. Additionally, proper mitochondrial protein import supported by SSC1 is required for maintaining oxidative phosphorylation capacity and mitochondrial integrity, both of which decline with age. Chaperone systems like SSC1 are therefore canonical pro-longevity factors that preserve proteome quality under stress conditions.",
"confidence": 0.82,
"key_pathways": [
"mitochondrial protein import (PAM complex / TIM23 pathway)",
"mitochondrial proteostasis / Hsp70 chaperone cycle",
"mitochondrial unfolded protein response (UPRmt)"
],
"mechanism_class": "loss_of_proteostasis",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted SSC1 as pro_longevity with 0.82 confidence, but the ground truth is anti_longevity. The model's reasoning about SSC1's role as a mitochondrial Hsp70 chaperone involved in protein import and proteostasis is mechanistically accurate in terms of the gene's function, but the model incorrectly extrapolated that because SSC1 maintains proteostasis it must be pro-longevity. In reality, SSC1 is classified as anti_longevity in GenAge, meaning its loss or reduction extends lifespan. This is a common pattern where essential chaperones, when reduced, can trigger hormetic responses or reduce the burden of maintaining certain mitochondrial functions, paradoxically extending lifespan. The model's reasoning is plausible but ultimately wrong in its conclusion, and it was highly confident in the incorrect direction.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": false
}