atf-6
C. elegans
Transcription factor atf-6 homolog
What the model saw
Gene: atf-6 Organism: Caenorhabditis elegans Known functions: Transcription factor atf-6 homolog. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. RNA polymerase II transcription regulatory region sequence-specific DNA binding.
View unredacted entry
Transcription factor atf-6 homolog. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. RNA polymerase II transcription regulatory region sequence-specific DNA binding.
Solver output
ATF-6 is a conserved ER stress-responsive transcription factor and a master regulator of the unfolded protein response (UPR). Upon ER stress, ATF-6 is cleaved and translocates to the nucleus, where it binds ER stress response elements (ERSEs) via RNA Pol II-dependent transcription to upregulate ER chaperones (e.g., hsp-4/BiP) and ERAD components, thereby restoring proteostasis. In C. elegans, the ER UPR branch governed by atf-6 is a key arm of proteostasis maintenance, and robust UPR signaling is associated with extended lifespan, particularly under conditions of proteotoxic stress. Loss of atf-6 impairs ER protein quality control, accelerating protein aggregation and reducing stress resistance, which are hallmarks of aging. Its normal function thus supports proteostasis and opposes age-related cellular decline.
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 pro_longevity for atf-6 in C. elegans, but the ground truth is anti_longevity. The model's mechanistic reasoning about ATF-6 as an ER stress-responsive transcription factor and UPR regulator is generally accurate in terms of its molecular function, but the model incorrectly extrapolated that this makes it pro-longevity. In C. elegans, atf-6 loss-of-function studies have shown that atf-6 actually has anti-longevity effects - meaning its normal activity reduces lifespan or its loss extends lifespan. The model assumed that because ATF-6 supports proteostasis, it must be pro-longevity, but the actual experimental data in C. elegans shows the opposite. The model was fairly confident (0.72) in its incorrect prediction. The reasoning quality is moderate - the mechanistic description of ATF-6's molecular function is reasonable, but the inference about its longevity effect was wrong.
Raw API responses
solver
{
"reasoning": "ATF-6 is a conserved ER stress-responsive transcription factor and a master regulator of the unfolded protein response (UPR). Upon ER stress, ATF-6 is cleaved and translocates to the nucleus, where it binds ER stress response elements (ERSEs) via RNA Pol II-dependent transcription to upregulate ER chaperones (e.g., hsp-4/BiP) and ERAD components, thereby restoring proteostasis. In C. elegans, the ER UPR branch governed by atf-6 is a key arm of proteostasis maintenance, and robust UPR signaling is associated with extended lifespan, particularly under conditions of proteotoxic stress. Loss of atf-6 impairs ER protein quality control, accelerating protein aggregation and reducing stress resistance, which are hallmarks of aging. Its normal function thus supports proteostasis and opposes age-related cellular decline.",
"confidence": 0.72,
"key_pathways": [
"ER unfolded protein response (UPR)",
"ER stress response / ERSE-driven transcription",
"proteostasis / ER chaperone induction"
],
"mechanism_class": "loss_of_proteostasis",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity for atf-6 in C. elegans, but the ground truth is anti_longevity. The model's mechanistic reasoning about ATF-6 as an ER stress-responsive transcription factor and UPR regulator is generally accurate in terms of its molecular function, but the model incorrectly extrapolated that this makes it pro-longevity. In C. elegans, atf-6 loss-of-function studies have shown that atf-6 actually has anti-longevity effects - meaning its normal activity reduces lifespan or its loss extends lifespan. The model assumed that because ATF-6 supports proteostasis, it must be pro-longevity, but the actual experimental data in C. elegans shows the opposite. The model was fairly confident (0.72) in its incorrect prediction. The reasoning quality is moderate - the mechanistic description of ATF-6's molecular function is reasonable, but the inference about its longevity effect was wrong.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": false
}