Kcna3
M. musculus
potassium voltage-gated channel, shaker-related subfamily, member 3
What the model saw
Gene: Kcna3 Organism: Mus musculus Known functions: potassium voltage-gated channel, shaker-related subfamily, member 3. potassium voltage-gated channel subfamily A member 3. delayed rectifier potassium channel activity. monoatomic ion channel activity. outward rectifier potassium channel activity. protein binding. voltage-gated potassium channel activity.
View unredacted entry
potassium voltage-gated channel, shaker-related subfamily, member 3. potassium voltage-gated channel subfamily A member 3. delayed rectifier potassium channel activity. monoatomic ion channel activity. outward rectifier potassium channel activity. protein binding. voltage-gated potassium channel activity.
Solver output
Kcna3 (Kv1.3) encodes a voltage-gated, delayed-rectifier potassium channel that regulates membrane potential and cellular excitability. In immune cells—particularly T lymphocytes and macrophages—Kv1.3 controls membrane repolarization and thereby modulates calcium influx through CRAC channels, directly influencing T cell activation and inflammatory cytokine production. Blockade of Kv1.3 has been shown to suppress effector memory T cell responses and reduce chronic inflammation, suggesting its activity could be pro-inflammatory and thus anti-longevity. However, Kv1.3 also plays roles in metabolic regulation (adipocyte function, insulin sensitivity) and neuronal signaling, where its loss can have complex effects. The net influence on longevity is difficult to assign because pro-inflammatory signaling from Kv1.3 activity would be anti-longevity, yet its role in maintaining normal cellular excitability and metabolic homeostasis complicates a clear directional prediction.
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 "anti_longevity." The model's mechanistic reasoning is actually quite good — it correctly identifies that Kv1.3 activity promotes inflammation via effector memory T cells and CRAC channel-mediated calcium signaling, which would be anti-longevity. The model even explicitly states "pro-inflammatory signaling from Kv1.3 activity would be anti-longevity." However, the model hedged too much due to Kv1.3's roles in metabolic regulation and neuronal signaling, ultimately failing to commit to the correct answer. The mechanism was largely correct but the model was overly cautious and did not reach the right conclusion.
Raw API responses
solver
{
"reasoning": "Kcna3 (Kv1.3) encodes a voltage-gated, delayed-rectifier potassium channel that regulates membrane potential and cellular excitability. In immune cells—particularly T lymphocytes and macrophages—Kv1.3 controls membrane repolarization and thereby modulates calcium influx through CRAC channels, directly influencing T cell activation and inflammatory cytokine production. Blockade of Kv1.3 has been shown to suppress effector memory T cell responses and reduce chronic inflammation, suggesting its activity could be pro-inflammatory and thus anti-longevity. However, Kv1.3 also plays roles in metabolic regulation (adipocyte function, insulin sensitivity) and neuronal signaling, where its loss can have complex effects. The net influence on longevity is difficult to assign because pro-inflammatory signaling from Kv1.3 activity would be anti-longevity, yet its role in maintaining normal cellular excitability and metabolic homeostasis complicates a clear directional prediction.",
"confidence": 0.38,
"key_pathways": [
"T cell activation and CRAC channel-mediated calcium signaling",
"voltage-gated potassium channel membrane repolarization",
"chronic inflammation via effector memory T cell regulation"
],
"mechanism_class": "altered_intercellular_communication",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model predicted \"unclear\" while the ground truth is \"anti_longevity.\" The model's mechanistic reasoning is actually quite good — it correctly identifies that Kv1.3 activity promotes inflammation via effector memory T cells and CRAC channel-mediated calcium signaling, which would be anti-longevity. The model even explicitly states \"pro-inflammatory signaling from Kv1.3 activity would be anti-longevity.\" However, the model hedged too much due to Kv1.3's roles in metabolic regulation and neuronal signaling, ultimately failing to commit to the correct answer. The mechanism was largely correct but the model was overly cautious and did not reach the right conclusion.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": true,
"reasoning_quality": 3,
"ground_truth_questionable": false
}