VHS1
S. cerevisiae
putative serine/threonine protein kinase VHS1
What the model saw
Gene: VHS1 Organism: Saccharomyces cerevisiae Known functions: putative serine/threonine protein kinase VHS1. ATP binding. protein binding. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
View unredacted entry
putative serine/threonine protein kinase VHS1. ATP binding. protein binding. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
Solver output
VHS1 is a putative serine/threonine protein kinase in S. cerevisiae that has been identified as a potential activator of the Snf1/AMPK pathway, a central nutrient-sensing kinase complex. Serine/threonine kinases in yeast that feed into or parallel the Snf1 axis can modulate carbon source signaling and energy homeostasis, processes tightly linked to chronological and replicative lifespan. Activation of AMPK/Snf1 signaling generally opposes TOR-driven anabolic programs and promotes longevity-associated responses such as autophagy and stress resistance. VHS1's protein binding activity suggests it may act as a scaffold or upstream regulator within this nutrient-sensing network. Because Snf1/AMPK activation is broadly pro-longevity, a kinase that positively regulates this pathway would be expected to extend lifespan.
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 about VHS1 activating the Snf1/AMPK pathway and thereby promoting longevity is speculative and appears to be incorrect. VHS1 is actually anti-longevity in yeast, meaning its deletion or loss extends lifespan. The model constructed a plausible-sounding but ultimately wrong mechanistic narrative. Confidence was 0.52, which is low but still committed to the wrong answer. The reasoning quality is poor because it relies on indirect inference about pathway membership without solid evidence, and reaches the wrong conclusion.
Raw API responses
solver
{
"reasoning": "VHS1 is a putative serine/threonine protein kinase in S. cerevisiae that has been identified as a potential activator of the Snf1/AMPK pathway, a central nutrient-sensing kinase complex. Serine/threonine kinases in yeast that feed into or parallel the Snf1 axis can modulate carbon source signaling and energy homeostasis, processes tightly linked to chronological and replicative lifespan. Activation of AMPK/Snf1 signaling generally opposes TOR-driven anabolic programs and promotes longevity-associated responses such as autophagy and stress resistance. VHS1's protein binding activity suggests it may act as a scaffold or upstream regulator within this nutrient-sensing network. Because Snf1/AMPK activation is broadly pro-longevity, a kinase that positively regulates this pathway would be expected to extend lifespan.",
"confidence": 0.52,
"key_pathways": [
"Snf1/AMPK nutrient-sensing pathway",
"serine/threonine kinase signaling",
"carbon source/energy homeostasis"
],
"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 about VHS1 activating the Snf1/AMPK pathway and thereby promoting longevity is speculative and appears to be incorrect. VHS1 is actually anti-longevity in yeast, meaning its deletion or loss extends lifespan. The model constructed a plausible-sounding but ultimately wrong mechanistic narrative. Confidence was 0.52, which is low but still committed to the wrong answer. The reasoning quality is poor because it relies on indirect inference about pathway membership without solid evidence, and reaches the wrong conclusion.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}