Sod2
M. musculus
superoxide dismutase 2, mitochondrial
What the model saw
Gene: Sod2 Organism: Mus musculus Known functions: superoxide dismutase 2, mitochondrial. superoxide dismutase [Mn], mitochondrial. DNA binding. enzyme binding. identical protein binding. manganese ion binding. metal ion binding. oxidoreductase activity. oxygen binding. protein binding. superoxide dismutase activity.
View unredacted entry
superoxide dismutase 2, mitochondrial. superoxide dismutase [Mn], mitochondrial. DNA binding. enzyme binding. identical protein binding. manganese ion binding. metal ion binding. oxidoreductase activity. oxygen binding. protein binding. superoxide dismutase activity.
Solver output
SOD2 (MnSOD) is the primary mitochondrial antioxidant enzyme that catalyzes the dismutation of superoxide radicals (O2•−) to hydrogen peroxide and molecular oxygen within the mitochondrial matrix. By neutralizing superoxide generated as a byproduct of the electron transport chain, SOD2 prevents oxidative damage to mitochondrial DNA, proteins, and lipids, thereby maintaining mitochondrial integrity and function. Loss of SOD2 in mice leads to severe oxidative stress, mitochondrial dysfunction, and early lethality, while its overexpression has been associated with reduced oxidative damage and extended healthspan. This places SOD2 squarely within the mitochondrial dysfunction hallmark of aging, where reactive oxygen species (ROS) accumulation drives cellular deterioration. The manganese ion binding at its active site is essential for its catalytic dismutase activity, making it a critical node in the mitochondrial ROS detoxification pathway.
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 SOD2 as pro_longevity with high confidence (0.85). The mechanistic reasoning is accurate and detailed: SOD2/MnSOD is the primary mitochondrial antioxidant enzyme that neutralizes superoxide radicals in the mitochondrial matrix, preventing oxidative damage. The model correctly notes that SOD2 knockout leads to early lethality and that overexpression reduces oxidative damage. The mechanism class of mitochondrial_dysfunction is appropriate. The mention of manganese ion binding at the active site is also accurate and consistent with the known functions listed. Overall, this is an excellent prediction with correct answer and correct mechanistic reasoning.
Raw API responses
solver
{
"reasoning": "SOD2 (MnSOD) is the primary mitochondrial antioxidant enzyme that catalyzes the dismutation of superoxide radicals (O2•−) to hydrogen peroxide and molecular oxygen within the mitochondrial matrix. By neutralizing superoxide generated as a byproduct of the electron transport chain, SOD2 prevents oxidative damage to mitochondrial DNA, proteins, and lipids, thereby maintaining mitochondrial integrity and function. Loss of SOD2 in mice leads to severe oxidative stress, mitochondrial dysfunction, and early lethality, while its overexpression has been associated with reduced oxidative damage and extended healthspan. This places SOD2 squarely within the mitochondrial dysfunction hallmark of aging, where reactive oxygen species (ROS) accumulation drives cellular deterioration. The manganese ion binding at its active site is essential for its catalytic dismutase activity, making it a critical node in the mitochondrial ROS detoxification pathway.",
"confidence": 0.85,
"key_pathways": [
"mitochondrial ROS detoxification",
"superoxide dismutation",
"mitochondrial redox homeostasis"
],
"mechanism_class": "mitochondrial_dysfunction",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted SOD2 as pro_longevity with high confidence (0.85). The mechanistic reasoning is accurate and detailed: SOD2/MnSOD is the primary mitochondrial antioxidant enzyme that neutralizes superoxide radicals in the mitochondrial matrix, preventing oxidative damage. The model correctly notes that SOD2 knockout leads to early lethality and that overexpression reduces oxidative damage. The mechanism class of mitochondrial_dysfunction is appropriate. The mention of manganese ion binding at the active site is also accurate and consistent with the known functions listed. Overall, this is an excellent prediction with correct answer and correct mechanistic reasoning.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}