ksp1
S. pombe
serine/threonine protein kinase Ksp1
What the model saw
Gene: ksp1 Organism: Schizosaccharomyces pombe Known functions: serine/threonine protein kinase Ksp1. ATP binding. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
View unredacted entry
serine/threonine protein kinase Ksp1. ATP binding. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
Solver output
Ksp1 in S. pombe is a serine/threonine protein kinase with ATP-binding activity, orthologous to the S. cerevisiae Ksp1/Elm1 family of kinases involved in nutrient sensing and TORC1 pathway regulation. Serine/threonine kinases in this family typically act as positive regulators of autophagy and stress responses by modulating TORC1 signaling, which when properly regulated extends lifespan. In yeast, kinases that promote downregulation of TORC1 or activate stress-response pathways under nutrient limitation tend to be pro-longevity, as they facilitate the switch from growth to maintenance programs. The protein serine/threonine kinase activity places Ksp1 in a signaling cascade that can phosphorylate downstream effectors involved in metabolic adaptation, a hallmark of deregulated nutrient sensing in aging. However, the specific substrates and directionality of Ksp1's effect on TORC1 in S. pombe are not fully characterized, introducing some uncertainty.
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 pro_longevity but the ground truth is anti_longevity. The model's reasoning is speculative and largely based on analogies to S. cerevisiae kinases and general TORC1 pathway logic, without solid evidence specific to ksp1 in S. pombe. The model acknowledged uncertainty (confidence 0.55) but still got the direction wrong. The mechanistic reasoning about TORC1 downregulation and autophagy promotion is not supported by the actual function of ksp1, which is anti-longevity (meaning its deletion or loss likely extends lifespan, suggesting it normally promotes aging rather than longevity). The reasoning quality is low because it relies on loose ortholog analogies and general pathway logic rather than specific evidence.
Raw API responses
solver
{
"reasoning": "Ksp1 in S. pombe is a serine/threonine protein kinase with ATP-binding activity, orthologous to the S. cerevisiae Ksp1/Elm1 family of kinases involved in nutrient sensing and TORC1 pathway regulation. Serine/threonine kinases in this family typically act as positive regulators of autophagy and stress responses by modulating TORC1 signaling, which when properly regulated extends lifespan. In yeast, kinases that promote downregulation of TORC1 or activate stress-response pathways under nutrient limitation tend to be pro-longevity, as they facilitate the switch from growth to maintenance programs. The protein serine/threonine kinase activity places Ksp1 in a signaling cascade that can phosphorylate downstream effectors involved in metabolic adaptation, a hallmark of deregulated nutrient sensing in aging. However, the specific substrates and directionality of Ksp1's effect on TORC1 in S. pombe are not fully characterized, introducing some uncertainty.",
"confidence": 0.55,
"key_pathways": [
"TORC1 nutrient sensing pathway",
"serine/threonine kinase signaling",
"autophagy regulation"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. The model's reasoning is speculative and largely based on analogies to S. cerevisiae kinases and general TORC1 pathway logic, without solid evidence specific to ksp1 in S. pombe. The model acknowledged uncertainty (confidence 0.55) but still got the direction wrong. The mechanistic reasoning about TORC1 downregulation and autophagy promotion is not supported by the actual function of ksp1, which is anti-longevity (meaning its deletion or loss likely extends lifespan, suggesting it normally promotes aging rather than longevity). The reasoning quality is low because it relies on loose ortholog analogies and general pathway logic rather than specific evidence.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}