Sod3
M. musculus
superoxide dismutase 3
What the model saw
Gene: SOD3 Organism: Mus musculus Known functions: superoxide dismutase 3. extracellular superoxide dismutase [Cu-Zn]. copper ion binding. metal ion binding. molecular adaptor activity. protein binding. superoxide dismutase activity.
View unredacted entry
superoxide dismutase 3. extracellular superoxide dismutase [Cu-Zn]. copper ion binding. metal ion binding. molecular adaptor activity. protein binding. superoxide dismutase activity.
Solver output
SOD3 encodes the extracellular Cu/Zn superoxide dismutase, which catalyzes the dismutation of superoxide radicals (O₂•⁻) into hydrogen peroxide and molecular oxygen in the extracellular space. By scavenging superoxide in the extracellular matrix and on cell surfaces, SOD3 reduces oxidative damage to lipids, proteins, and nucleic acids, directly countering reactive oxygen species (ROS)-mediated cellular injury. Elevated extracellular ROS is a hallmark of aging tissues and contributes to mitochondrial dysfunction, vascular inflammation, and cellular senescence; SOD3 activity mitigates these effects. In mouse models, overexpression of SOD3 has been associated with reduced oxidative stress and improved tissue function, while loss of SOD3 exacerbates age-related pathologies such as cardiovascular dysfunction and pulmonary fibrosis. Its molecular adaptor and protein-binding activities also suggest roles in anchoring antioxidant defense to the extracellular matrix, further protecting the tissue microenvironment from oxidative damage.
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 SOD3 as pro_longevity with high confidence (0.85). However, the mechanism_class is labeled "mitochondrial_dysfunction," which is incorrect for SOD3. SOD3 is an extracellular Cu/Zn superoxide dismutase that operates in the extracellular space, not in mitochondria (that would be SOD2/MnSOD). The model's textual reasoning correctly describes SOD3's extracellular antioxidant function, but then incorrectly categorizes the mechanism as "mitochondrial_dysfunction." The reasoning also somewhat conflates extracellular ROS scavenging with mitochondrial dysfunction as a primary mechanism. The key pathways listed are appropriate and accurate. Overall, the answer is correct but the mechanism classification is wrong, representing a notable inconsistency between the mechanism_class field and the actual biology described in the reasoning text.
Raw API responses
solver
{
"reasoning": "SOD3 encodes the extracellular Cu/Zn superoxide dismutase, which catalyzes the dismutation of superoxide radicals (O₂•⁻) into hydrogen peroxide and molecular oxygen in the extracellular space. By scavenging superoxide in the extracellular matrix and on cell surfaces, SOD3 reduces oxidative damage to lipids, proteins, and nucleic acids, directly countering reactive oxygen species (ROS)-mediated cellular injury. Elevated extracellular ROS is a hallmark of aging tissues and contributes to mitochondrial dysfunction, vascular inflammation, and cellular senescence; SOD3 activity mitigates these effects. In mouse models, overexpression of SOD3 has been associated with reduced oxidative stress and improved tissue function, while loss of SOD3 exacerbates age-related pathologies such as cardiovascular dysfunction and pulmonary fibrosis. Its molecular adaptor and protein-binding activities also suggest roles in anchoring antioxidant defense to the extracellular matrix, further protecting the tissue microenvironment from oxidative damage.",
"confidence": 0.85,
"key_pathways": [
"ROS scavenging / superoxide dismutation",
"extracellular antioxidant defense",
"oxidative stress mitigation in vascular and tissue microenvironments"
],
"mechanism_class": "mitochondrial_dysfunction",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted SOD3 as pro_longevity with high confidence (0.85). However, the mechanism_class is labeled \"mitochondrial_dysfunction,\" which is incorrect for SOD3. SOD3 is an extracellular Cu/Zn superoxide dismutase that operates in the extracellular space, not in mitochondria (that would be SOD2/MnSOD). The model's textual reasoning correctly describes SOD3's extracellular antioxidant function, but then incorrectly categorizes the mechanism as \"mitochondrial_dysfunction.\" The reasoning also somewhat conflates extracellular ROS scavenging with mitochondrial dysfunction as a primary mechanism. The key pathways listed are appropriate and accurate. Overall, the answer is correct but the mechanism classification is wrong, representing a notable inconsistency between the mechanism_class field and the actual biology described in the reasoning text.",
"failure_mode": "right_answer_wrong_reasoning",
"answer_correct": true,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": false
}