klo-2
C. elegans
Glycoside hydrolase family 1 protein
What the model saw
Gene: klo-2 Organism: Caenorhabditis elegans Known functions: Glycoside hydrolase family 1 protein. beta-glucosidase activity. hydrolase activity, hydrolyzing O-glycosyl compounds.
View unredacted entry
Glycoside hydrolase family 1 protein. beta-glucosidase activity. hydrolase activity, hydrolyzing O-glycosyl compounds.
Solver output
klo-2 encodes a Glycoside hydrolase family 1 (GH1) beta-glucosidase that hydrolyzes O-glycosyl bonds, releasing glucose or other sugars from glycoconjugates. While beta-glucosidase activity can influence carbohydrate metabolism and nutrient availability, the specific substrates of klo-2 in C. elegans are not defined by these annotations alone. GH1 enzymes in nematodes have been implicated in processing of various glycolipids and glycoproteins, which could intersect with nutrient sensing pathways (e.g., insulin/IGF-1 signaling via glucose availability) or lipid metabolism, but without knowledge of the precise endogenous substrate, the directionality of longevity influence cannot be confidently assigned. The "klotho-like" naming (klo-2) is suggestive of a potential role analogous to mammalian klotho co-receptors, but the molecular function annotations provided describe only glycosidase activity without evidence of FGF receptor modulation or direct aging pathway involvement in this organism.
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" while the ground truth is "pro_longevity." The model's reasoning is thoughtful and acknowledges the klotho-like naming, beta-glucosidase function, and potential connections to nutrient sensing, but ultimately fails to commit to a direction. The model correctly identifies the klotho-like naming as suggestive of aging relevance but doesn't leverage this enough to make a pro-longevity prediction. The mechanism class of "deregulated_nutrient_sensing" is speculative and not confirmed. The model's uncertainty is somewhat appropriate given the limited functional annotations, but the klotho connection and the gene's known role in C. elegans longevity should have pushed the prediction toward pro_longevity. The confidence of 0.35 reflects genuine uncertainty, making this an "appropriately_uncertain" failure mode rather than a confident wrong answer.
Raw API responses
solver
{
"reasoning": "klo-2 encodes a Glycoside hydrolase family 1 (GH1) beta-glucosidase that hydrolyzes O-glycosyl bonds, releasing glucose or other sugars from glycoconjugates. While beta-glucosidase activity can influence carbohydrate metabolism and nutrient availability, the specific substrates of klo-2 in C. elegans are not defined by these annotations alone. GH1 enzymes in nematodes have been implicated in processing of various glycolipids and glycoproteins, which could intersect with nutrient sensing pathways (e.g., insulin/IGF-1 signaling via glucose availability) or lipid metabolism, but without knowledge of the precise endogenous substrate, the directionality of longevity influence cannot be confidently assigned. The \"klotho-like\" naming (klo-2) is suggestive of a potential role analogous to mammalian klotho co-receptors, but the molecular function annotations provided describe only glycosidase activity without evidence of FGF receptor modulation or direct aging pathway involvement in this organism.",
"confidence": 0.35,
"key_pathways": [
"beta-glucosidase / O-glycosyl hydrolysis",
"carbohydrate metabolism / nutrient sensing",
"glycolipid or glycoprotein processing"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model predicted \"unclear\" while the ground truth is \"pro_longevity.\" The model's reasoning is thoughtful and acknowledges the klotho-like naming, beta-glucosidase function, and potential connections to nutrient sensing, but ultimately fails to commit to a direction. The model correctly identifies the klotho-like naming as suggestive of aging relevance but doesn't leverage this enough to make a pro-longevity prediction. The mechanism class of \"deregulated_nutrient_sensing\" is speculative and not confirmed. The model's uncertainty is somewhat appropriate given the limited functional annotations, but the klotho connection and the gene's known role in C. elegans longevity should have pushed the prediction toward pro_longevity. The confidence of 0.35 reflects genuine uncertainty, making this an \"appropriately_uncertain\" failure mode rather than a confident wrong answer.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": false
}