prdx-3
C. elegans
putative peroxiredoxin prdx-3
What the model saw
Gene: prdx-3 Organism: Caenorhabditis elegans Known functions: putative peroxiredoxin prdx-3. antioxidant activity. oxidoreductase activity. peroxiredoxin activity. thioredoxin peroxidase activity. thioredoxin-dependent peroxiredoxin activity.
View unredacted entry
putative peroxiredoxin prdx-3. antioxidant activity. oxidoreductase activity. peroxiredoxin activity. thioredoxin peroxidase activity. thioredoxin-dependent peroxiredoxin activity.
Solver output
PRDX-3 is a thioredoxin-dependent peroxiredoxin that catalyzes the reduction of hydrogen peroxide and organic hydroperoxides using electrons donated by thioredoxin, thereby detoxifying reactive oxygen species (ROS). In C. elegans, peroxiredoxins in the mitochondrial compartment (PRDX-3 is the mitochondrial isoform) are critical for neutralizing mitochondria-derived H2O2, a major source of oxidative damage. By limiting mitochondrial ROS accumulation, PRDX-3 reduces oxidative damage to proteins, lipids, and mtDNA, thereby preserving mitochondrial integrity and function. Reduced oxidative stress is strongly associated with extended lifespan in C. elegans, consistent with the free radical/mitochondrial theory of aging. Loss of peroxiredoxin activity leads to elevated ROS, accelerated mitochondrial dysfunction, and shortened lifespan, while overexpression or maintenance of peroxiredoxin function supports longevity.
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 prdx-3 in C. elegans with high confidence (0.88). The mechanistic reasoning is excellent: it correctly identifies PRDX-3 as a mitochondrial thioredoxin-dependent peroxiredoxin that detoxifies ROS (particularly H2O2), preserves mitochondrial integrity, and thereby supports longevity. The model correctly notes that loss of peroxiredoxin activity leads to elevated ROS and shortened lifespan, while maintained function supports longevity. The mechanism class "mitochondrial_dysfunction" is appropriate given the mitochondrial localization of PRDX-3 and its role in preventing mitochondrial oxidative damage. The reasoning is well-grounded in established biology.
Raw API responses
solver
{
"reasoning": "PRDX-3 is a thioredoxin-dependent peroxiredoxin that catalyzes the reduction of hydrogen peroxide and organic hydroperoxides using electrons donated by thioredoxin, thereby detoxifying reactive oxygen species (ROS). In C. elegans, peroxiredoxins in the mitochondrial compartment (PRDX-3 is the mitochondrial isoform) are critical for neutralizing mitochondria-derived H2O2, a major source of oxidative damage. By limiting mitochondrial ROS accumulation, PRDX-3 reduces oxidative damage to proteins, lipids, and mtDNA, thereby preserving mitochondrial integrity and function. Reduced oxidative stress is strongly associated with extended lifespan in C. elegans, consistent with the free radical/mitochondrial theory of aging. Loss of peroxiredoxin activity leads to elevated ROS, accelerated mitochondrial dysfunction, and shortened lifespan, while overexpression or maintenance of peroxiredoxin function supports longevity.",
"confidence": 0.88,
"key_pathways": [
"Thioredoxin-peroxiredoxin antioxidant system",
"Mitochondrial ROS detoxification",
"Oxidative stress response"
],
"mechanism_class": "mitochondrial_dysfunction",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for prdx-3 in C. elegans with high confidence (0.88). The mechanistic reasoning is excellent: it correctly identifies PRDX-3 as a mitochondrial thioredoxin-dependent peroxiredoxin that detoxifies ROS (particularly H2O2), preserves mitochondrial integrity, and thereby supports longevity. The model correctly notes that loss of peroxiredoxin activity leads to elevated ROS and shortened lifespan, while maintained function supports longevity. The mechanism class \"mitochondrial_dysfunction\" is appropriate given the mitochondrial localization of PRDX-3 and its role in preventing mitochondrial oxidative damage. The reasoning is well-grounded in established biology.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}