sod-2
C. elegans
Superoxide dismutase
What the model saw
Gene: sod-2 Organism: Caenorhabditis elegans Known functions: Superoxide dismutase. manganese ion binding. metal ion binding. superoxide dismutase activity.
View unredacted entry
Superoxide dismutase. manganese ion binding. metal ion binding. superoxide dismutase activity.
Solver output
SOD-2 is the mitochondrial manganese superoxide dismutase (MnSOD) in C. elegans, responsible for dismutating superoxide radicals (O₂•⁻) generated by the mitochondrial electron transport chain into hydrogen peroxide and molecular oxygen. By neutralizing mitochondrial superoxide, SOD-2 reduces oxidative damage to mitochondrial proteins, lipids, and mtDNA, thereby preserving mitochondrial integrity and function. However, the relationship between sod-2 and longevity in C. elegans is nuanced: paradoxically, sod-2 loss-of-function mutants have been reported to have normal or even slightly extended lifespan in some studies, suggesting that mitochondrial superoxide signaling may also play a role in hormetic longevity pathways (e.g., mitohormesis). Nevertheless, the canonical and primary molecular function of MnSOD as an antioxidant defense enzyme is broadly pro-longevity, as it protects against the mitochondrial dysfunction hallmark of aging driven by reactive oxygen species accumulation. The confidence is moderate due to the conflicting experimental data in C. elegans specifically.
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 ground truth is "unclear," but the model predicted "pro_longevity" with 0.62 confidence. Notably, the model's reasoning actually acknowledges the conflicting experimental data (sod-2 loss-of-function mutants showing normal or extended lifespan, mitohormesis), which is precisely why the ground truth is "unclear." Despite recognizing this ambiguity, the model still committed to a "pro_longevity" classification rather than "unclear." The mechanistic description of SOD-2 as mitochondrial MnSOD and its role in ROS detoxification is accurate, and the model correctly identifies the paradoxical findings in C. elegans. The reasoning quality is high (4/5) because it correctly identifies the nuance, but the final classification doesn't match the ground truth. This is a case where the model had the right information to arrive at "unclear" but defaulted to the canonical/textbook answer instead.
Raw API responses
solver
{
"reasoning": "SOD-2 is the mitochondrial manganese superoxide dismutase (MnSOD) in C. elegans, responsible for dismutating superoxide radicals (O₂•⁻) generated by the mitochondrial electron transport chain into hydrogen peroxide and molecular oxygen. By neutralizing mitochondrial superoxide, SOD-2 reduces oxidative damage to mitochondrial proteins, lipids, and mtDNA, thereby preserving mitochondrial integrity and function. However, the relationship between sod-2 and longevity in C. elegans is nuanced: paradoxically, sod-2 loss-of-function mutants have been reported to have normal or even slightly extended lifespan in some studies, suggesting that mitochondrial superoxide signaling may also play a role in hormetic longevity pathways (e.g., mitohormesis). Nevertheless, the canonical and primary molecular function of MnSOD as an antioxidant defense enzyme is broadly pro-longevity, as it protects against the mitochondrial dysfunction hallmark of aging driven by reactive oxygen species accumulation. The confidence is moderate due to the conflicting experimental data in C. elegans specifically.",
"confidence": 0.62,
"key_pathways": [
"mitochondrial ROS detoxification",
"oxidative stress response",
"mitohormesis signaling"
],
"mechanism_class": "mitochondrial_dysfunction",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The ground truth is \"unclear,\" but the model predicted \"pro_longevity\" with 0.62 confidence. Notably, the model's reasoning actually acknowledges the conflicting experimental data (sod-2 loss-of-function mutants showing normal or extended lifespan, mitohormesis), which is precisely why the ground truth is \"unclear.\" Despite recognizing this ambiguity, the model still committed to a \"pro_longevity\" classification rather than \"unclear.\" The mechanistic description of SOD-2 as mitochondrial MnSOD and its role in ROS detoxification is accurate, and the model correctly identifies the paradoxical findings in C. elegans. The reasoning quality is high (4/5) because it correctly identifies the nuance, but the final classification doesn't match the ground truth. This is a case where the model had the right information to arrive at \"unclear\" but defaulted to the canonical/textbook answer instead.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}