SIP1
S. cerevisiae
Sip1p
What the model saw
Gene: SIP1 Organism: Saccharomyces cerevisiae Known functions: Sip1p. AMP-activated protein kinase activity. enzyme-substrate adaptor activity. protein binding. protein kinase binding.
View unredacted entry
Sip1p. AMP-activated protein kinase activity. enzyme-substrate adaptor activity. protein binding. protein kinase binding.
Solver output
SIP1 encodes a regulatory subunit (beta subunit) of the Snf1/AMPK complex in S. cerevisiae, functioning as an enzyme-substrate adaptor and protein kinase binding partner. The Snf1 (AMPK) pathway is a central energy-sensing kinase that is activated under low glucose/nutrient conditions and promotes metabolic adaptation, stress resistance, and longevity-associated transcriptional programs. AMPK activation generally opposes the pro-aging effects of nutrient excess by inhibiting TORC1 signaling and activating autophagy. As a scaffolding/adaptor subunit that supports Snf1/AMPK activity, SIP1 facilitates proper substrate targeting and kinase complex assembly, thereby promoting the nutrient-sensing response that extends lifespan under caloric restriction-like conditions. Loss of this adaptor function would impair AMPK-mediated longevity signaling, placing SIP1 in the pro-longevity category.
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" with 0.65 confidence, but the ground truth is "unclear." The model's reasoning is plausible at a general level (SIP1 is indeed a beta subunit of the Snf1/AMPK complex, and AMPK signaling is associated with longevity), but it overextends this general pathway knowledge to make a definitive pro-longevity call for SIP1 specifically. The actual experimental evidence for SIP1's effect on yeast lifespan is apparently ambiguous or insufficient to classify it clearly. The model should have been more uncertain given that SIP1 is one of three beta subunits (Sip1, Sip2, Gal83) with potentially distinct substrate targeting roles, and the specific longevity contribution of SIP1 vs. the other subunits is not straightforward. The confidence of 0.65 is too high for what should be an "unclear" classification.
Raw API responses
solver
{
"reasoning": "SIP1 encodes a regulatory subunit (beta subunit) of the Snf1/AMPK complex in S. cerevisiae, functioning as an enzyme-substrate adaptor and protein kinase binding partner. The Snf1 (AMPK) pathway is a central energy-sensing kinase that is activated under low glucose/nutrient conditions and promotes metabolic adaptation, stress resistance, and longevity-associated transcriptional programs. AMPK activation generally opposes the pro-aging effects of nutrient excess by inhibiting TORC1 signaling and activating autophagy. As a scaffolding/adaptor subunit that supports Snf1/AMPK activity, SIP1 facilitates proper substrate targeting and kinase complex assembly, thereby promoting the nutrient-sensing response that extends lifespan under caloric restriction-like conditions. Loss of this adaptor function would impair AMPK-mediated longevity signaling, placing SIP1 in the pro-longevity category.",
"confidence": 0.65,
"key_pathways": [
"Snf1/AMPK nutrient sensing pathway",
"glucose/energy sensing and metabolic adaptation",
"TORC1 antagonism via AMPK activation"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted \"pro_longevity\" with 0.65 confidence, but the ground truth is \"unclear.\" The model's reasoning is plausible at a general level (SIP1 is indeed a beta subunit of the Snf1/AMPK complex, and AMPK signaling is associated with longevity), but it overextends this general pathway knowledge to make a definitive pro-longevity call for SIP1 specifically. The actual experimental evidence for SIP1's effect on yeast lifespan is apparently ambiguous or insufficient to classify it clearly. The model should have been more uncertain given that SIP1 is one of three beta subunits (Sip1, Sip2, Gal83) with potentially distinct substrate targeting roles, and the specific longevity contribution of SIP1 vs. the other subunits is not straightforward. The confidence of 0.65 is too high for what should be an \"unclear\" classification.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}