acn-1
C. elegans
Inactive angiotensin-converting enzyme-related protein
What the model saw
Gene: acn-1 Organism: Caenorhabditis elegans Known functions: Inactive angiotensin-converting enzyme-related protein. metallopeptidase activity.
View unredacted entry
Inactive angiotensin-converting enzyme-related protein. metallopeptidase activity.
Solver output
ACN-1 is the C. elegans homolog of angiotensin-converting enzyme (ACE), a metallopeptidase involved in the renin-angiotensin system (RAS). Although annotated as "inactive" for peptidase activity, ACE-related proteins in C. elegans have been shown to modulate insulin/IGF-1-like signaling and nutrient-sensing pathways. Loss-of-function studies in C. elegans suggest that acn-1 reduction impairs development and body morphology, indicating it plays a supportive role in normal physiology. ACE-related proteins can process neuropeptides and signaling peptides that feed into DAF-2/insulin-IGF-1 receptor signaling, a central longevity axis in C. elegans. The metallopeptidase-related activity positions ACN-1 as a modulator of peptide hormone availability, and its normal function likely supports homeostatic signaling that promotes healthy lifespan rather than accelerating 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 pro_longevity but the ground truth is anti_longevity. The model reasoned that ACN-1 supports normal physiology and homeostatic signaling, thus promoting lifespan. However, since acn-1 is anti_longevity, this means its loss (or reduction) likely extends lifespan, not shortens it. The model's reasoning about ACN-1 supporting healthy lifespan is backwards. The model noted that acn-1 reduction impairs development, which it used to argue pro_longevity, but this doesn't necessarily translate to longevity effects. The mechanistic reasoning about insulin/IGF-1 signaling is speculative and not well-supported. The confidence of 0.62 is moderate but the prediction is clearly wrong.
Raw API responses
solver
{
"reasoning": "ACN-1 is the C. elegans homolog of angiotensin-converting enzyme (ACE), a metallopeptidase involved in the renin-angiotensin system (RAS). Although annotated as \"inactive\" for peptidase activity, ACE-related proteins in C. elegans have been shown to modulate insulin/IGF-1-like signaling and nutrient-sensing pathways. Loss-of-function studies in C. elegans suggest that acn-1 reduction impairs development and body morphology, indicating it plays a supportive role in normal physiology. ACE-related proteins can process neuropeptides and signaling peptides that feed into DAF-2/insulin-IGF-1 receptor signaling, a central longevity axis in C. elegans. The metallopeptidase-related activity positions ACN-1 as a modulator of peptide hormone availability, and its normal function likely supports homeostatic signaling that promotes healthy lifespan rather than accelerating aging.",
"confidence": 0.62,
"key_pathways": [
"insulin/IGF-1 signaling (DAF-2/DAF-16 axis)",
"renin-angiotensin system peptide processing",
"neuropeptide maturation and signaling"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. The model reasoned that ACN-1 supports normal physiology and homeostatic signaling, thus promoting lifespan. However, since acn-1 is anti_longevity, this means its loss (or reduction) likely extends lifespan, not shortens it. The model's reasoning about ACN-1 supporting healthy lifespan is backwards. The model noted that acn-1 reduction impairs development, which it used to argue pro_longevity, but this doesn't necessarily translate to longevity effects. The mechanistic reasoning about insulin/IGF-1 signaling is speculative and not well-supported. The confidence of 0.62 is moderate but the prediction is clearly wrong.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}