dfg502
S. pombe
mannan endo-1,6-alpha-mannosidase
What the model saw
Gene: dfg502 Organism: Schizosaccharomyces pombe Known functions: mannan endo-1,6-alpha-mannosidase. mannan endo-1,6-alpha-mannosidase activity.
View unredacted entry
mannan endo-1,6-alpha-mannosidase. mannan endo-1,6-alpha-mannosidase activity.
Solver output
dfg502 encodes a mannan endo-1,6-alpha-mannosidase, an enzyme that cleaves alpha-1,6-mannosidic linkages within mannan polysaccharides of the fungal cell wall. This activity is primarily involved in cell wall remodeling and glycoprotein processing rather than any canonical aging pathway. While cell wall integrity can influence stress responses in yeast, there is no well-established direct mechanistic link between mannan endo-1,6-alpha-mannosidase activity and longevity regulation in S. pombe. The function is too peripheral to the core hallmarks of aging to confidently assign a pro- or anti-longevity role.
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 (0.3), while the ground truth is "anti_longevity." The model's reasoning about the gene's function (mannan endo-1,6-alpha-mannosidase involved in cell wall remodeling) is plausible but it failed to commit to any longevity direction. The model's uncertainty is understandable given the obscure nature of this gene and its non-canonical aging pathway, but it still got the answer wrong. The mechanistic reasoning is incomplete - it doesn't explain why this gene would be anti-longevity (i.e., its deletion would extend lifespan). The model correctly identified the gene's molecular function but couldn't connect it to aging outcomes.
Raw API responses
solver
{
"reasoning": "dfg502 encodes a mannan endo-1,6-alpha-mannosidase, an enzyme that cleaves alpha-1,6-mannosidic linkages within mannan polysaccharides of the fungal cell wall. This activity is primarily involved in cell wall remodeling and glycoprotein processing rather than any canonical aging pathway. While cell wall integrity can influence stress responses in yeast, there is no well-established direct mechanistic link between mannan endo-1,6-alpha-mannosidase activity and longevity regulation in S. pombe. The function is too peripheral to the core hallmarks of aging to confidently assign a pro- or anti-longevity role.",
"confidence": 0.3,
"key_pathways": [
"cell wall remodeling",
"mannan polysaccharide catabolism",
"glycoprotein processing"
],
"mechanism_class": "other",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model predicted \"unclear\" with low confidence (0.3), while the ground truth is \"anti_longevity.\" The model's reasoning about the gene's function (mannan endo-1,6-alpha-mannosidase involved in cell wall remodeling) is plausible but it failed to commit to any longevity direction. The model's uncertainty is understandable given the obscure nature of this gene and its non-canonical aging pathway, but it still got the answer wrong. The mechanistic reasoning is incomplete - it doesn't explain why this gene would be anti-longevity (i.e., its deletion would extend lifespan). The model correctly identified the gene's molecular function but couldn't connect it to aging outcomes.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": true
}