p38a
D. melanogaster
p38a MAP kinase
What the model saw
Gene: p38a Organism: Drosophila melanogaster Known functions: p38a MAP kinase. ATP binding. MAP kinase activity. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
View unredacted entry
p38a MAP kinase. ATP binding. MAP kinase activity. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
Solver output
p38a is the Drosophila ortholog of the p38 MAPK (MAPK14/11 in mammals), a stress-activated serine/threonine kinase that phosphorylates downstream targets in response to oxidative stress, heat shock, and immune challenges. In Drosophila, p38a activity is required for mounting appropriate stress responses and regulating innate immunity; loss of p38a impairs stress tolerance and reduces lifespan. Its protein serine/threonine kinase activity phosphorylates substrates such as MK2/MAPKAPK2 and transcription factors (e.g., ATF2) that drive cytoprotective and anti-inflammatory gene expression programs. Proper p38a signaling helps resolve acute stress and inflammatory signals rather than sustaining chronic inflammation, thereby supporting organismal homeostasis and longevity. Overactivation, however, can be detrimental, but the basal/normal function of p38a in stress adaptation is generally considered pro-longevity in Drosophila models.
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 p38a in Drosophila. The mechanistic reasoning is solid: p38a as a stress-activated MAPK involved in oxidative stress response, innate immunity, and cytoprotective signaling is well-supported. The model correctly notes that loss of p38a impairs stress tolerance and reduces lifespan. The mechanism class of "chronic_inflammation" is slightly off — the primary mechanism is more about stress response/adaptation rather than chronic inflammation per se, but the reasoning text itself is more nuanced and accurate than the label suggests. The confidence of 0.68 is appropriate given the complexity. Overall a strong, well-reasoned prediction.
Raw API responses
solver
{
"reasoning": "p38a is the Drosophila ortholog of the p38 MAPK (MAPK14/11 in mammals), a stress-activated serine/threonine kinase that phosphorylates downstream targets in response to oxidative stress, heat shock, and immune challenges. In Drosophila, p38a activity is required for mounting appropriate stress responses and regulating innate immunity; loss of p38a impairs stress tolerance and reduces lifespan. Its protein serine/threonine kinase activity phosphorylates substrates such as MK2/MAPKAPK2 and transcription factors (e.g., ATF2) that drive cytoprotective and anti-inflammatory gene expression programs. Proper p38a signaling helps resolve acute stress and inflammatory signals rather than sustaining chronic inflammation, thereby supporting organismal homeostasis and longevity. Overactivation, however, can be detrimental, but the basal/normal function of p38a in stress adaptation is generally considered pro-longevity in Drosophila models.",
"confidence": 0.68,
"key_pathways": [
"p38 MAPK stress response pathway",
"innate immune signaling (Toll/Imd modulation)",
"oxidative stress response"
],
"mechanism_class": "chronic_inflammation",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for p38a in Drosophila. The mechanistic reasoning is solid: p38a as a stress-activated MAPK involved in oxidative stress response, innate immunity, and cytoprotective signaling is well-supported. The model correctly notes that loss of p38a impairs stress tolerance and reduces lifespan. The mechanism class of \"chronic_inflammation\" is slightly off — the primary mechanism is more about stress response/adaptation rather than chronic inflammation per se, but the reasoning text itself is more nuanced and accurate than the label suggests. The confidence of 0.68 is appropriate given the complexity. Overall a strong, well-reasoned prediction.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}