lip-1
C. elegans
Dual specificity protein phosphatase lip-1
What the model saw
Gene: lip-1 Organism: Caenorhabditis elegans Known functions: Dual specificity protein phosphatase lip-1. MAP kinase tyrosine phosphatase activity. MAP kinase tyrosine/serine/threonine phosphatase activity. protein binding. protein serine/threonine phosphatase activity. protein tyrosine phosphatase activity. protein tyrosine/threonine phosphatase activity.
View unredacted entry
Dual specificity protein phosphatase lip-1. MAP kinase tyrosine phosphatase activity. MAP kinase tyrosine/serine/threonine phosphatase activity. protein binding. protein serine/threonine phosphatase activity. protein tyrosine phosphatase activity. protein tyrosine/threonine phosphatase activity.
Solver output
LIP-1 is a dual-specificity MAPK phosphatase (MKP) in C. elegans that dephosphorylates and inactivates MAP kinases, including MPK-1/ERK. In the context of longevity, MPK-1 is a downstream effector of the RAS/MAPK pathway, and its activity is also integrated with the insulin/IGF-1 signaling (IIS) and germline signaling pathways that regulate DAF-16/FOXO and lifespan. By inactivating MPK-1, LIP-1 dampens MAPK signaling; however, LIP-1 is known to act as a negative regulator of the RAS/MAPK pathway in the germline, and loss of lip-1 extends lifespan in a manner dependent on the germline pathway. Thus, the normal function of LIP-1 (suppressing pro-longevity MAPK activity) is anti-longevity. Specifically, LIP-1-mediated dephosphorylation of MPK-1 reduces signaling that would otherwise promote longevity via germline-to-soma communication and DAF-16 nuclear localization.
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 predicted anti_longevity for lip-1. The mechanistic reasoning is accurate and detailed: LIP-1 is indeed a dual-specificity MAPK phosphatase that inactivates MPK-1/ERK in C. elegans, and loss of lip-1 extends lifespan through the germline longevity pathway. The model correctly identifies that LIP-1's normal function suppresses pro-longevity MAPK signaling, making it anti-longevity. The connection to germline signaling, DAF-16/FOXO, and the RAS/MAPK pathway are all well-established and correctly described. Confidence of 0.78 is appropriate given the complexity of the pathway interactions.
Raw API responses
solver
{
"reasoning": "LIP-1 is a dual-specificity MAPK phosphatase (MKP) in C. elegans that dephosphorylates and inactivates MAP kinases, including MPK-1/ERK. In the context of longevity, MPK-1 is a downstream effector of the RAS/MAPK pathway, and its activity is also integrated with the insulin/IGF-1 signaling (IIS) and germline signaling pathways that regulate DAF-16/FOXO and lifespan. By inactivating MPK-1, LIP-1 dampens MAPK signaling; however, LIP-1 is known to act as a negative regulator of the RAS/MAPK pathway in the germline, and loss of lip-1 extends lifespan in a manner dependent on the germline pathway. Thus, the normal function of LIP-1 (suppressing pro-longevity MAPK activity) is anti-longevity. Specifically, LIP-1-mediated dephosphorylation of MPK-1 reduces signaling that would otherwise promote longevity via germline-to-soma communication and DAF-16 nuclear localization.",
"confidence": 0.78,
"key_pathways": [
"RAS/MAPK signaling (MPK-1/ERK inactivation)",
"Germline longevity pathway",
"Insulin/IGF-1 signaling and DAF-16/FOXO regulation"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "anti_longevity"
}advisor
{
"notes": "The model correctly predicted anti_longevity for lip-1. The mechanistic reasoning is accurate and detailed: LIP-1 is indeed a dual-specificity MAPK phosphatase that inactivates MPK-1/ERK in C. elegans, and loss of lip-1 extends lifespan through the germline longevity pathway. The model correctly identifies that LIP-1's normal function suppresses pro-longevity MAPK signaling, making it anti-longevity. The connection to germline signaling, DAF-16/FOXO, and the RAS/MAPK pathway are all well-established and correctly described. Confidence of 0.78 is appropriate given the complexity of the pathway interactions.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}