set-6
C. elegans
Histone-lysine N-methyltransferase set-6
What the model saw
Gene: set-6 Organism: Caenorhabditis elegans Known functions: Histone-lysine N-methyltransferase set-6. histone H3 methyltransferase activity. histone H3K9 dimethyltransferase activity. histone H3K9 trimethyltransferase activity. histone H3K9me2 methyltransferase activity. protein binding.
View unredacted entry
Histone-lysine N-methyltransferase set-6. histone H3 methyltransferase activity. histone H3K9 dimethyltransferase activity. histone H3K9 trimethyltransferase activity. histone H3K9me2 methyltransferase activity. protein binding.
Solver output
SET-6 is a histone H3K9 di- and trimethyltransferase in C. elegans. H3K9me2/me3 are repressive chromatin marks associated with heterochromatin formation and transcriptional silencing. While some H3K9 methylation is essential for genome stability, excessive or misregulated H3K9 methylation during aging leads to aberrant silencing of genes required for stress responses, proteostasis, and longevity pathways (e.g., DAF-16/FOXO target genes). In C. elegans, loss of certain H3K9 methyltransferases (such as met-2) has been shown to extend lifespan, suggesting that H3K9 methylation activity is generally anti-longevity in this organism. SET-6's enzymatic activity in depositing repressive H3K9me2/3 marks would therefore promote the epigenetic drift and transcriptional silencing characteristic of aging, opposing longevity. This places set-6 in the epigenetic alterations hallmark of aging.
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 anti_longevity with 0.72 confidence, but the ground truth is pro_longevity. The model's reasoning was plausible-sounding but ultimately incorrect. It drew an analogy to met-2 (another H3K9 methyltransferase whose loss extends lifespan) to conclude set-6 is anti-longevity, but set-6 is actually pro-longevity in C. elegans. The mechanistic reasoning about H3K9 methylation being generally anti-longevity was overgeneralized and led to the wrong conclusion. The model was moderately confident (0.72) in an incorrect answer.
Raw API responses
solver
{
"reasoning": "SET-6 is a histone H3K9 di- and trimethyltransferase in C. elegans. H3K9me2/me3 are repressive chromatin marks associated with heterochromatin formation and transcriptional silencing. While some H3K9 methylation is essential for genome stability, excessive or misregulated H3K9 methylation during aging leads to aberrant silencing of genes required for stress responses, proteostasis, and longevity pathways (e.g., DAF-16/FOXO target genes). In C. elegans, loss of certain H3K9 methyltransferases (such as met-2) has been shown to extend lifespan, suggesting that H3K9 methylation activity is generally anti-longevity in this organism. SET-6's enzymatic activity in depositing repressive H3K9me2/3 marks would therefore promote the epigenetic drift and transcriptional silencing characteristic of aging, opposing longevity. This places set-6 in the epigenetic alterations hallmark of aging.",
"confidence": 0.72,
"key_pathways": [
"H3K9 methylation / heterochromatin silencing",
"DAF-16/FOXO transcriptional regulation",
"epigenetic drift during aging"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "anti_longevity"
}advisor
{
"notes": "The model predicted anti_longevity with 0.72 confidence, but the ground truth is pro_longevity. The model's reasoning was plausible-sounding but ultimately incorrect. It drew an analogy to met-2 (another H3K9 methyltransferase whose loss extends lifespan) to conclude set-6 is anti-longevity, but set-6 is actually pro-longevity in C. elegans. The mechanistic reasoning about H3K9 methylation being generally anti-longevity was overgeneralized and led to the wrong conclusion. The model was moderately confident (0.72) in an incorrect answer.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}