ppk23
D. melanogaster
pickpocket 23
What the model saw
Gene: ppk23 Organism: Drosophila melanogaster Known functions: pickpocket 23. ligand-gated sodium channel activity. sodium channel activity.
View unredacted entry
pickpocket 23. ligand-gated sodium channel activity. sodium channel activity.
Solver output
ppk23 encodes a DEG/ENaC family ligand-gated sodium channel (pickpocket 23) expressed in sensory neurons in Drosophila, where it plays a role in pheromone detection and mating behavior. While sodium channel activity can influence neuronal signaling and intercellular communication, the direct link between ppk23's specific role in chemosensory/pheromone signaling and longevity regulation is not well-established. Mating and reproductive signaling can influence lifespan in Drosophila (e.g., via the cost-of-reproduction trade-off), but ppk23's contribution to this axis is indirect and context-dependent. The molecular function annotations alone (ligand-gated sodium channel activity, sodium channel activity) are insufficient to confidently assign a pro- or anti-longevity role without additional evidence on downstream signaling consequences.
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 predicted "unclear" with low confidence (0.35), while the ground truth is "anti_longevity." The model did correctly identify ppk23's role in pheromone/chemosensory detection and the cost-of-reproduction trade-off in Drosophila, which is actually relevant to the anti-longevity mechanism (mating-induced lifespan reduction). However, the model failed to commit to a prediction and instead hedged. The reasoning touches on the right biological context (reproductive signaling and lifespan trade-offs) but doesn't connect it to a definitive anti-longevity conclusion. The model's uncertainty is understandable given limited information, but the answer is ultimately wrong.
Raw API responses
solver
{
"reasoning": "ppk23 encodes a DEG/ENaC family ligand-gated sodium channel (pickpocket 23) expressed in sensory neurons in Drosophila, where it plays a role in pheromone detection and mating behavior. While sodium channel activity can influence neuronal signaling and intercellular communication, the direct link between ppk23's specific role in chemosensory/pheromone signaling and longevity regulation is not well-established. Mating and reproductive signaling can influence lifespan in Drosophila (e.g., via the cost-of-reproduction trade-off), but ppk23's contribution to this axis is indirect and context-dependent. The molecular function annotations alone (ligand-gated sodium channel activity, sodium channel activity) are insufficient to confidently assign a pro- or anti-longevity role without additional evidence on downstream signaling consequences.",
"confidence": 0.35,
"key_pathways": [
"DEG/ENaC sodium channel signaling",
"pheromone/chemosensory detection",
"reproductive cost-of-reproduction trade-off"
],
"mechanism_class": "altered_intercellular_communication",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model predicted \"unclear\" with low confidence (0.35), while the ground truth is \"anti_longevity.\" The model did correctly identify ppk23's role in pheromone/chemosensory detection and the cost-of-reproduction trade-off in Drosophila, which is actually relevant to the anti-longevity mechanism (mating-induced lifespan reduction). However, the model failed to commit to a prediction and instead hedged. The reasoning touches on the right biological context (reproductive signaling and lifespan trade-offs) but doesn't connect it to a definitive anti-longevity conclusion. The model's uncertainty is understandable given limited information, but the answer is ultimately wrong.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}