UGA3
S. cerevisiae
Uga3p
What the model saw
Gene: UGA3 Organism: Saccharomyces cerevisiae Known functions: Uga3p. DNA-binding transcription activator activity, RNA polymerase II-specific. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. transcription cis-regulatory region binding. zinc ion binding.
View unredacted entry
Uga3p. DNA-binding transcription activator activity, RNA polymerase II-specific. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. transcription cis-regulatory region binding. zinc ion binding.
Solver output
UGA3 encodes a zinc finger transcription activator in S. cerevisiae that specifically activates genes involved in GABA (γ-aminobutyrate) catabolism, including UGA1 and UGA2, allowing yeast to use GABA as a nitrogen source. While nitrogen sensing and utilization are connected to TOR pathway-mediated nutrient sensing—a key longevity axis—UGA3's role is narrowly focused on GABA catabolism gene activation rather than directly modulating TOR, AMPK, or other canonical longevity-associated nutrient-sensing nodes. Its zinc ion binding supports sequence-specific DNA binding at cis-regulatory regions of GABA pathway genes, but there is no strong evidence that activating or repressing this pathway has a directional effect on lifespan. The connection to longevity is too indirect and context-dependent to confidently assign a pro- or anti-longevity role.
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" with low confidence (0.35), while the ground truth is "anti_longevity." The model correctly identified UGA3's role in GABA catabolism transcriptional regulation and made a reasonable connection to nitrogen/nutrient sensing, but failed to commit to a directional prediction. The mechanistic reasoning about TOR pathway indirect connection is speculative and not well-grounded. The model was appropriately uncertain given limited direct evidence, but ultimately got the answer wrong. The ground truth designation as anti_longevity suggests that deletion of UGA3 extends lifespan, which the model did not predict or reason toward.
Raw API responses
solver
{
"reasoning": "UGA3 encodes a zinc finger transcription activator in S. cerevisiae that specifically activates genes involved in GABA (γ-aminobutyrate) catabolism, including UGA1 and UGA2, allowing yeast to use GABA as a nitrogen source. While nitrogen sensing and utilization are connected to TOR pathway-mediated nutrient sensing—a key longevity axis—UGA3's role is narrowly focused on GABA catabolism gene activation rather than directly modulating TOR, AMPK, or other canonical longevity-associated nutrient-sensing nodes. Its zinc ion binding supports sequence-specific DNA binding at cis-regulatory regions of GABA pathway genes, but there is no strong evidence that activating or repressing this pathway has a directional effect on lifespan. The connection to longevity is too indirect and context-dependent to confidently assign a pro- or anti-longevity role.",
"confidence": 0.35,
"key_pathways": [
"GABA catabolism transcriptional regulation",
"nitrogen source utilization",
"TOR-mediated nutrient sensing (indirect)"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model predicted \"unclear\" with low confidence (0.35), while the ground truth is \"anti_longevity.\" The model correctly identified UGA3's role in GABA catabolism transcriptional regulation and made a reasonable connection to nitrogen/nutrient sensing, but failed to commit to a directional prediction. The mechanistic reasoning about TOR pathway indirect connection is speculative and not well-grounded. The model was appropriately uncertain given limited direct evidence, but ultimately got the answer wrong. The ground truth designation as anti_longevity suggests that deletion of UGA3 extends lifespan, which the model did not predict or reason toward.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}