syd-2
C. elegans
Liprin-alpha
What the model saw
Gene: syd-2 Organism: Caenorhabditis elegans Known functions: Liprin-alpha. cytoskeletal motor activator activity. kinesin binding. protein binding. protein homodimerization activity. signaling receptor complex adaptor activity.
View unredacted entry
Liprin-alpha. cytoskeletal motor activator activity. kinesin binding. protein binding. protein homodimerization activity. signaling receptor complex adaptor activity.
Solver output
SYD-2/Liprin-alpha is a scaffold protein at the presynaptic active zone that activates cytoskeletal motors (kinesin binding, cytoskeletal motor activator activity) and organizes signaling receptor complexes at synapses. Its primary role is in synaptic vesicle trafficking and active zone assembly rather than a canonical aging pathway. While synaptic integrity and neuronal communication decline with age and could link to longevity via altered intercellular communication, Liprin-alpha's function is structural/organizational at the synapse rather than directly modulating known longevity pathways such as insulin/IGF-1, TOR, or mitochondrial function. The homodimerization and adaptor activities support scaffolding roles but do not clearly tip the balance toward pro- or anti-longevity effects, making a confident directional prediction difficult.
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 "unclear" while the ground truth is "pro_longevity." The model's reasoning focused on synaptic scaffolding and active zone assembly, which is mechanistically reasonable given the known functions of SYD-2/Liprin-alpha, but it failed to connect these functions to a pro-longevity outcome. The model correctly identified that synaptic integrity declines with age and could link to longevity, but ultimately hedged rather than committing to a direction. The confidence was low (0.38), which reflects appropriate uncertainty, but the final call was still wrong. The mechanism class of "altered_intercellular_communication" is plausible but not clearly correct for the actual pro-longevity mechanism. Overall, the model was appropriately uncertain but still missed the correct answer.
Raw API responses
solver
{
"reasoning": "SYD-2/Liprin-alpha is a scaffold protein at the presynaptic active zone that activates cytoskeletal motors (kinesin binding, cytoskeletal motor activator activity) and organizes signaling receptor complexes at synapses. Its primary role is in synaptic vesicle trafficking and active zone assembly rather than a canonical aging pathway. While synaptic integrity and neuronal communication decline with age and could link to longevity via altered intercellular communication, Liprin-alpha's function is structural/organizational at the synapse rather than directly modulating known longevity pathways such as insulin/IGF-1, TOR, or mitochondrial function. The homodimerization and adaptor activities support scaffolding roles but do not clearly tip the balance toward pro- or anti-longevity effects, making a confident directional prediction difficult.",
"confidence": 0.38,
"key_pathways": [
"presynaptic active zone assembly",
"kinesin-mediated synaptic vesicle transport",
"signaling receptor complex scaffolding"
],
"mechanism_class": "altered_intercellular_communication",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model predicted \"unclear\" while the ground truth is \"pro_longevity.\" The model's reasoning focused on synaptic scaffolding and active zone assembly, which is mechanistically reasonable given the known functions of SYD-2/Liprin-alpha, but it failed to connect these functions to a pro-longevity outcome. The model correctly identified that synaptic integrity declines with age and could link to longevity, but ultimately hedged rather than committing to a direction. The confidence was low (0.38), which reflects appropriate uncertainty, but the final call was still wrong. The mechanism class of \"altered_intercellular_communication\" is plausible but not clearly correct for the actual pro-longevity mechanism. Overall, the model was appropriately uncertain but still missed the correct answer.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": true
}