Sod1
D. melanogaster
Superoxide dismutase 1
What the model saw
Gene: Sod1 Organism: Drosophila melanogaster Known functions: Superoxide dismutase 1. superoxide dismutase 1. copper ion binding. metal ion binding. oxidoreductase activity. protein homodimerization activity. superoxide dismutase activity.
View unredacted entry
Superoxide dismutase 1. superoxide dismutase 1. copper ion binding. metal ion binding. oxidoreductase activity. protein homodimerization activity. superoxide dismutase activity.
Solver output
SOD1 (Cu/Zn superoxide dismutase) catalyzes the dismutation of superoxide radicals (O2•−) into hydrogen peroxide and molecular oxygen, directly neutralizing one of the primary reactive oxygen species (ROS) generated as byproducts of mitochondrial electron transport. In Drosophila melanogaster, overexpression of Sod1 has been shown to extend lifespan, while loss-of-function mutants exhibit dramatically shortened lifespan and increased oxidative damage. By scavenging cytoplasmic superoxide, SOD1 reduces oxidative stress-driven damage to proteins, lipids, and DNA, thereby slowing age-related cellular deterioration. Its copper ion binding is essential for catalytic activity, and homodimerization is required for functional enzyme assembly. This places Sod1 squarely within the mitochondrial/oxidative stress axis of aging, acting as a key antioxidant defense that opposes the accumulation of ROS-mediated damage associated with aging.
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 predicts pro_longevity for Sod1 in Drosophila melanogaster with high confidence. The mechanistic reasoning about ROS scavenging and antioxidant defense is broadly correct. However, the model classifies the mechanism as "mitochondrial_dysfunction," which is misleading. SOD1 (Cu/Zn-SOD) is primarily a cytoplasmic enzyme, not a mitochondrial one — that role belongs to SOD2 (Mn-SOD). The model even acknowledges this in the text ("scavenging cytoplasmic superoxide") but then incorrectly labels the mechanism class as "mitochondrial_dysfunction." This is a notable inconsistency. The core mechanism of oxidative stress defense is correct, but the mechanism class label is wrong.
Raw API responses
solver
{
"reasoning": "SOD1 (Cu/Zn superoxide dismutase) catalyzes the dismutation of superoxide radicals (O2•−) into hydrogen peroxide and molecular oxygen, directly neutralizing one of the primary reactive oxygen species (ROS) generated as byproducts of mitochondrial electron transport. In Drosophila melanogaster, overexpression of Sod1 has been shown to extend lifespan, while loss-of-function mutants exhibit dramatically shortened lifespan and increased oxidative damage. By scavenging cytoplasmic superoxide, SOD1 reduces oxidative stress-driven damage to proteins, lipids, and DNA, thereby slowing age-related cellular deterioration. Its copper ion binding is essential for catalytic activity, and homodimerization is required for functional enzyme assembly. This places Sod1 squarely within the mitochondrial/oxidative stress axis of aging, acting as a key antioxidant defense that opposes the accumulation of ROS-mediated damage associated with aging.",
"confidence": 0.95,
"key_pathways": [
"ROS scavenging / antioxidant defense",
"mitochondrial superoxide detoxification",
"oxidative stress response"
],
"mechanism_class": "mitochondrial_dysfunction",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicts pro_longevity for Sod1 in Drosophila melanogaster with high confidence. The mechanistic reasoning about ROS scavenging and antioxidant defense is broadly correct. However, the model classifies the mechanism as \"mitochondrial_dysfunction,\" which is misleading. SOD1 (Cu/Zn-SOD) is primarily a cytoplasmic enzyme, not a mitochondrial one — that role belongs to SOD2 (Mn-SOD). The model even acknowledges this in the text (\"scavenging cytoplasmic superoxide\") but then incorrectly labels the mechanism class as \"mitochondrial_dysfunction.\" This is a notable inconsistency. The core mechanism of oxidative stress defense is correct, but the mechanism class label is wrong.",
"failure_mode": "right_answer_wrong_reasoning",
"answer_correct": true,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": false
}