cec-3
C. elegans
Chromo domain-containing protein cec-3
What the model saw
Gene: cec-3 Organism: Caenorhabditis elegans Known functions: Chromo domain-containing protein cec-3. chromatin binding.
View unredacted entry
Chromo domain-containing protein cec-3. chromatin binding.
Solver output
CEC-3 contains a chromo domain, a conserved module that recognizes methylated histone lysine residues (e.g., H3K9me2/3 or H3K27me3) and mediates chromatin compaction or heterochromatin maintenance. In C. elegans, chromo domain proteins are involved in epigenetic silencing and chromatin organization, processes that are linked to aging through the progressive loss of heterochromatin integrity. However, the directionality of its longevity influence is ambiguous: maintaining heterochromatin (e.g., silencing repetitive elements) would be pro-longevity, whereas promoting repressive chromatin states at pro-longevity loci could be anti-longevity. Without additional functional data on CEC-3's specific genomic targets or interaction partners, the net effect on lifespan cannot be confidently assigned.
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 correctly identified the epigenetic/chromatin mechanism class and provided reasonable reasoning about chromo domain proteins in C. elegans aging. However, it predicted "unclear" rather than "anti_longevity" (the ground truth). The model's reasoning was sound in identifying the relevant pathway but failed to commit to a direction. The model did mention the possibility that CEC-3 could be anti-longevity (by promoting repressive chromatin states at pro-longevity loci), so the correct answer was within its reasoning, but it chose not to commit. This is a case of appropriate uncertainty that nonetheless resulted in a wrong answer.
Raw API responses
solver
{
"reasoning": "CEC-3 contains a chromo domain, a conserved module that recognizes methylated histone lysine residues (e.g., H3K9me2/3 or H3K27me3) and mediates chromatin compaction or heterochromatin maintenance. In C. elegans, chromo domain proteins are involved in epigenetic silencing and chromatin organization, processes that are linked to aging through the progressive loss of heterochromatin integrity. However, the directionality of its longevity influence is ambiguous: maintaining heterochromatin (e.g., silencing repetitive elements) would be pro-longevity, whereas promoting repressive chromatin states at pro-longevity loci could be anti-longevity. Without additional functional data on CEC-3's specific genomic targets or interaction partners, the net effect on lifespan cannot be confidently assigned.",
"confidence": 0.35,
"key_pathways": [
"heterochromatin maintenance",
"histone methylation recognition",
"chromatin silencing"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model correctly identified the epigenetic/chromatin mechanism class and provided reasonable reasoning about chromo domain proteins in C. elegans aging. However, it predicted \"unclear\" rather than \"anti_longevity\" (the ground truth). The model's reasoning was sound in identifying the relevant pathway but failed to commit to a direction. The model did mention the possibility that CEC-3 could be anti-longevity (by promoting repressive chromatin states at pro-longevity loci), so the correct answer was within its reasoning, but it chose not to commit. This is a case of appropriate uncertainty that nonetheless resulted in a wrong answer.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": true,
"reasoning_quality": 3,
"ground_truth_questionable": false
}