RTG3
S. cerevisiae
Rtg3p
What the model saw
Gene: RTG3 Organism: Saccharomyces cerevisiae Known functions: Rtg3p. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. RNA polymerase II-specific DNA-binding transcription factor binding. protein binding. protein dimerization activity. sequence-specific DNA binding.
View unredacted entry
Rtg3p. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. RNA polymerase II-specific DNA-binding transcription factor binding. protein binding. protein dimerization activity. sequence-specific DNA binding.
Solver output
RTG3 encodes a basic helix-loop-helix/leucine zipper transcription factor that heterodimerizes with Rtg1p to form the core effector of the Retrograde (RTG) signaling pathway in yeast. This pathway senses mitochondrial dysfunction and communicates it to the nucleus, activating transcription of genes encoding TCA cycle and anaplerotic enzymes (e.g., CIT2) to maintain metabolic homeostasis. The RTG pathway is a well-established pro-longevity pathway in S. cerevisiae: activation of retrograde signaling extends chronological and replicative lifespan, and RTG3 is required for this extension. RTG signaling is also functionally linked to TOR pathway inhibition, a canonical nutrient-sensing longevity mechanism, as TORC1 suppresses RTG3 nuclear localization and activity. Loss of RTG3 abolishes retrograde-response-mediated lifespan extension, placing it firmly in the pro-longevity category.
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 RTG3 as pro_longevity with 0.75 confidence, but the ground truth classifies it as anti_longevity. The model's reasoning about RTG3's role in retrograde signaling is partially correct mechanistically - RTG3 does heterodimerize with Rtg1p and activate retrograde signaling. However, the model's conclusion about its longevity effect is wrong. The GenAge database classifies RTG3 as anti_longevity, which likely reflects findings that RTG3 deletion or overactivation of retrograde signaling can have complex effects on lifespan. The retrograde pathway's relationship to longevity is nuanced - while retrograde signaling can be activated in long-lived mutants, RTG3 itself may act as anti-longevity when considering its direct effects. The model was confident in its pro_longevity classification but got it wrong, and the mechanistic reasoning, while plausible, led to an incorrect conclusion. The reasoning quality is moderate - it shows good knowledge of the pathway but misapplied it to reach the wrong conclusion about longevity influence.
Raw API responses
solver
{
"reasoning": "RTG3 encodes a basic helix-loop-helix/leucine zipper transcription factor that heterodimerizes with Rtg1p to form the core effector of the Retrograde (RTG) signaling pathway in yeast. This pathway senses mitochondrial dysfunction and communicates it to the nucleus, activating transcription of genes encoding TCA cycle and anaplerotic enzymes (e.g., CIT2) to maintain metabolic homeostasis. The RTG pathway is a well-established pro-longevity pathway in S. cerevisiae: activation of retrograde signaling extends chronological and replicative lifespan, and RTG3 is required for this extension. RTG signaling is also functionally linked to TOR pathway inhibition, a canonical nutrient-sensing longevity mechanism, as TORC1 suppresses RTG3 nuclear localization and activity. Loss of RTG3 abolishes retrograde-response-mediated lifespan extension, placing it firmly in the pro-longevity category.",
"confidence": 0.75,
"key_pathways": [
"Retrograde (RTG) signaling pathway",
"TOR nutrient-sensing pathway (negative regulation)",
"TCA cycle / anaplerotic gene transcription (CIT2)"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted RTG3 as pro_longevity with 0.75 confidence, but the ground truth classifies it as anti_longevity. The model's reasoning about RTG3's role in retrograde signaling is partially correct mechanistically - RTG3 does heterodimerize with Rtg1p and activate retrograde signaling. However, the model's conclusion about its longevity effect is wrong. The GenAge database classifies RTG3 as anti_longevity, which likely reflects findings that RTG3 deletion or overactivation of retrograde signaling can have complex effects on lifespan. The retrograde pathway's relationship to longevity is nuanced - while retrograde signaling can be activated in long-lived mutants, RTG3 itself may act as anti-longevity when considering its direct effects. The model was confident in its pro_longevity classification but got it wrong, and the mechanistic reasoning, while plausible, led to an incorrect conclusion. The reasoning quality is moderate - it shows good knowledge of the pathway but misapplied it to reach the wrong conclusion about longevity influence.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": true
}