Prx5
D. melanogaster
Peroxiredoxin 5
What the model saw
Gene: Prx5 Organism: Drosophila melanogaster Known functions: Peroxiredoxin 5. peroxiredoxin 5. oxidoreductase activity. thioredoxin peroxidase activity. thioredoxin-dependent peroxiredoxin activity.
View unredacted entry
Peroxiredoxin 5. peroxiredoxin 5. oxidoreductase activity. thioredoxin peroxidase activity. thioredoxin-dependent peroxiredoxin activity.
Solver output
Prx5 encodes a peroxiredoxin that uses thioredoxin as an electron donor to reduce and detoxify hydrogen peroxide and other reactive oxygen species (ROS), including peroxynitrite and alkyl hydroperoxides. In Drosophila, Prx5 is localized to mitochondria and the cytosol, where it directly scavenges mitochondria-derived ROS — a primary driver of oxidative damage and aging. By maintaining redox homeostasis via the thioredoxin-peroxiredoxin axis, Prx5 limits oxidative damage to proteins, lipids, and DNA that would otherwise accelerate cellular aging. Peroxiredoxins as a class are well-established pro-longevity factors in multiple model organisms, and overexpression of antioxidant enzymes in this family extends lifespan in Drosophila. Loss of Prx5 function would be expected to increase mitochondrial ROS accumulation, accelerating age-related decline.
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 pro_longevity for Prx5 in Drosophila melanogaster with high confidence (0.88). The mechanistic reasoning is sound and detailed: Prx5 is a thioredoxin-dependent peroxiredoxin that scavenges ROS (including mitochondria-derived H2O2 and peroxynitrite), thereby limiting oxidative damage to macromolecules and slowing aging. The mechanism class "mitochondrial_dysfunction" is a reasonable label given the mitochondrial localization and ROS context, though "oxidative_stress" might be more precise. The key pathways identified (thioredoxin-peroxiredoxin system, mitochondrial ROS detoxification, redox homeostasis) are all appropriate. The reasoning correctly notes that peroxiredoxins are well-established pro-longevity factors in Drosophila and other model organisms. Overall, this is an excellent prediction with well-supported mechanistic reasoning.
Raw API responses
solver
{
"reasoning": "Prx5 encodes a peroxiredoxin that uses thioredoxin as an electron donor to reduce and detoxify hydrogen peroxide and other reactive oxygen species (ROS), including peroxynitrite and alkyl hydroperoxides. In Drosophila, Prx5 is localized to mitochondria and the cytosol, where it directly scavenges mitochondria-derived ROS — a primary driver of oxidative damage and aging. By maintaining redox homeostasis via the thioredoxin-peroxiredoxin axis, Prx5 limits oxidative damage to proteins, lipids, and DNA that would otherwise accelerate cellular aging. Peroxiredoxins as a class are well-established pro-longevity factors in multiple model organisms, and overexpression of antioxidant enzymes in this family extends lifespan in Drosophila. Loss of Prx5 function would be expected to increase mitochondrial ROS accumulation, accelerating age-related decline.",
"confidence": 0.88,
"key_pathways": [
"thioredoxin-peroxiredoxin antioxidant system",
"mitochondrial ROS detoxification",
"redox homeostasis"
],
"mechanism_class": "mitochondrial_dysfunction",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for Prx5 in Drosophila melanogaster with high confidence (0.88). The mechanistic reasoning is sound and detailed: Prx5 is a thioredoxin-dependent peroxiredoxin that scavenges ROS (including mitochondria-derived H2O2 and peroxynitrite), thereby limiting oxidative damage to macromolecules and slowing aging. The mechanism class \"mitochondrial_dysfunction\" is a reasonable label given the mitochondrial localization and ROS context, though \"oxidative_stress\" might be more precise. The key pathways identified (thioredoxin-peroxiredoxin system, mitochondrial ROS detoxification, redox homeostasis) are all appropriate. The reasoning correctly notes that peroxiredoxins are well-established pro-longevity factors in Drosophila and other model organisms. Overall, this is an excellent prediction with well-supported mechanistic reasoning.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}