set-15
C. elegans
SET domain-containing protein
What the model saw
Gene: set-15 Organism: Caenorhabditis elegans Known functions: SET domain-containing protein. histone H3 methyltransferase activity.
View unredacted entry
SET domain-containing protein. histone H3 methyltransferase activity.
Solver output
SET-15 is a SET domain-containing histone H3 methyltransferase in C. elegans. Histone H3 methylation (particularly H3K4me3, H3K36me3, or H3K9me3 depending on the specific SET protein) is a key epigenetic mark that regulates chromatin state and gene expression programs associated with aging. In C. elegans, several SET domain proteins that deposit activating H3K4 or H3K36 methylation marks have been linked to longevity pathways, including regulation of stress response and DAF-16/FOXO target genes. Proper maintenance of histone methylation patterns counteracts age-associated epigenetic drift and loss of transcriptional fidelity, a hallmark of aging. Loss of such methyltransferase activity typically accelerates epigenetic dysregulation and shortens lifespan, suggesting the normal function is pro-longevity. The SET domain family in worms includes members that modulate lifespan via chromatin-based regulation of longevity gene networks.
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 assumed that SET domain histone methyltransferases generally promote longevity by maintaining proper chromatin states, but set-15 is actually anti-longevity in C. elegans. The reasoning was generic and overly optimistic about SET domain proteins, failing to account for the fact that some histone methyltransferases can suppress longevity pathways. The model had moderate confidence (0.62) but was wrong on both the answer and the mechanistic reasoning.
Raw API responses
solver
{
"reasoning": "SET-15 is a SET domain-containing histone H3 methyltransferase in C. elegans. Histone H3 methylation (particularly H3K4me3, H3K36me3, or H3K9me3 depending on the specific SET protein) is a key epigenetic mark that regulates chromatin state and gene expression programs associated with aging. In C. elegans, several SET domain proteins that deposit activating H3K4 or H3K36 methylation marks have been linked to longevity pathways, including regulation of stress response and DAF-16/FOXO target genes. Proper maintenance of histone methylation patterns counteracts age-associated epigenetic drift and loss of transcriptional fidelity, a hallmark of aging. Loss of such methyltransferase activity typically accelerates epigenetic dysregulation and shortens lifespan, suggesting the normal function is pro-longevity. The SET domain family in worms includes members that modulate lifespan via chromatin-based regulation of longevity gene networks.",
"confidence": 0.62,
"key_pathways": [
"histone H3 methylation",
"chromatin remodeling and epigenetic regulation",
"DAF-16/FOXO transcriptional regulation"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. The model assumed that SET domain histone methyltransferases generally promote longevity by maintaining proper chromatin states, but set-15 is actually anti-longevity in C. elegans. The reasoning was generic and overly optimistic about SET domain proteins, failing to account for the fact that some histone methyltransferases can suppress longevity pathways. The model had moderate confidence (0.62) but was wrong on both the answer and the mechanistic reasoning.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}