mnk-1
C. elegans
MAP kinase-interacting serine/threonine-protein kinase mnk-1
What the model saw
Gene: mnk-1 Organism: Caenorhabditis elegans Known functions: MAP kinase-interacting serine/threonine-protein kinase mnk-1. ATP binding. calcium-dependent protein serine/threonine kinase activity. calcium/calmodulin-dependent protein kinase activity. calmodulin binding. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
View unredacted entry
MAP kinase-interacting serine/threonine-protein kinase mnk-1. ATP binding. calcium-dependent protein serine/threonine kinase activity. calcium/calmodulin-dependent protein kinase activity. calmodulin binding. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
Solver output
mnk-1 encodes a MAP kinase-interacting serine/threonine kinase (MNK) with calcium/calmodulin-dependent kinase activity in C. elegans. In the context of aging, MNK kinases are known to phosphorylate eIF4E, a key cap-dependent translation initiation factor, thereby modulating protein synthesis rates. Reduced cap-dependent translation is a conserved pro-longevity mechanism, and MNK-mediated eIF4E phosphorylation typically promotes translation; however, the calcium/calmodulin-dependent activity of mnk-1 also links it to CaMKK/CaMK signaling, which can activate AMPK—a central energy sensor that promotes longevity by inhibiting mTORC1 and activating autophagy. The dual role in both translational control (via eIF4E phosphorylation downstream of MAPK) and AMPK activation (via CaMKK-like activity) places this gene at the intersection of nutrient sensing and proteostasis pathways. In C. elegans, CaMK-family kinases that feed into AMPK (AAK-2) signaling tend to extend lifespan, suggesting a net pro-longevity role for mnk-1 through AMPK activation and downstream inhibition of mTOR-driven translation.
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 pro_longevity for mnk-1 in C. elegans. However, the mechanistic reasoning is speculative and appears to be largely constructed from general knowledge about MNK kinases in other organisms rather than specific C. elegans mnk-1 data. The model conflates MNK kinase function (eIF4E phosphorylation) with CaMK/AMPK signaling in a somewhat confused manner - mnk-1 is annotated as a calcium/calmodulin-dependent kinase, but the model's reasoning about how this leads to pro-longevity effects is speculative and not well-grounded in established C. elegans biology. The model acknowledges that MNK-mediated eIF4E phosphorylation promotes translation (which would be anti-longevity), then pivots to AMPK activation as the pro-longevity mechanism, but this pivot is not well-supported. The confidence of 0.62 is reasonable given the uncertainty. The mechanism classification as 'deregulated_nutrient_sensing' is plausible but not clearly established. Overall, the correct answer appears to be reached through speculative reasoning rather than solid mechanistic understanding.
Raw API responses
solver
{
"reasoning": "mnk-1 encodes a MAP kinase-interacting serine/threonine kinase (MNK) with calcium/calmodulin-dependent kinase activity in C. elegans. In the context of aging, MNK kinases are known to phosphorylate eIF4E, a key cap-dependent translation initiation factor, thereby modulating protein synthesis rates. Reduced cap-dependent translation is a conserved pro-longevity mechanism, and MNK-mediated eIF4E phosphorylation typically promotes translation; however, the calcium/calmodulin-dependent activity of mnk-1 also links it to CaMKK/CaMK signaling, which can activate AMPK—a central energy sensor that promotes longevity by inhibiting mTORC1 and activating autophagy. The dual role in both translational control (via eIF4E phosphorylation downstream of MAPK) and AMPK activation (via CaMKK-like activity) places this gene at the intersection of nutrient sensing and proteostasis pathways. In C. elegans, CaMK-family kinases that feed into AMPK (AAK-2) signaling tend to extend lifespan, suggesting a net pro-longevity role for mnk-1 through AMPK activation and downstream inhibition of mTOR-driven translation.",
"confidence": 0.62,
"key_pathways": [
"CaMKK-AMPK signaling (AAK-2 activation)",
"MNK-eIF4E cap-dependent translation regulation",
"MAPK-integrated stress response"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for mnk-1 in C. elegans. However, the mechanistic reasoning is speculative and appears to be largely constructed from general knowledge about MNK kinases in other organisms rather than specific C. elegans mnk-1 data. The model conflates MNK kinase function (eIF4E phosphorylation) with CaMK/AMPK signaling in a somewhat confused manner - mnk-1 is annotated as a calcium/calmodulin-dependent kinase, but the model's reasoning about how this leads to pro-longevity effects is speculative and not well-grounded in established C. elegans biology. The model acknowledges that MNK-mediated eIF4E phosphorylation promotes translation (which would be anti-longevity), then pivots to AMPK activation as the pro-longevity mechanism, but this pivot is not well-supported. The confidence of 0.62 is reasonable given the uncertainty. The mechanism classification as 'deregulated_nutrient_sensing' is plausible but not clearly established. Overall, the correct answer appears to be reached through speculative reasoning rather than solid mechanistic understanding.",
"failure_mode": "right_answer_wrong_reasoning",
"answer_correct": true,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}