USV1
S. cerevisiae
Usv1p
What the model saw
Gene: USV1 Organism: Saccharomyces cerevisiae Known functions: Usv1p. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. sequence-specific DNA binding. zinc ion binding.
View unredacted entry
Usv1p. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. sequence-specific DNA binding. zinc ion binding.
Solver output
USV1 encodes a zinc finger transcription factor that binds cis-regulatory regions and modulates RNA Pol II-dependent gene expression. In yeast, USV1 has been linked to the regulation of stress-response and carbon metabolism genes, including those downstream of the TOR/TORC1 nutrient-sensing pathway. By acting as a transcriptional activator of stress-responsive programs, USV1 likely promotes cellular adaptation to nutrient limitation and oxidative stress — conditions that are well-established drivers of chronological and replicative lifespan extension. Its zinc ion binding is consistent with a C2H2-type zinc finger domain used for sequence-specific promoter recognition, placing it upstream of transcriptional reprogramming events that parallel caloric restriction responses. The net effect of activating such protective transcriptional programs is expected to be pro-longevity, though the confidence is moderate given the limited direct lifespan data for this specific factor.
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 while the ground truth is anti_longevity. The model's reasoning is speculative and largely fabricated — it invokes TOR/TORC1 pathway connections and stress-response activation without solid evidence, and incorrectly frames USV1 as a promoter of longevity. USV1 is actually anti-longevity in yeast, meaning its deletion or loss extends lifespan. The model's mechanistic reasoning about stress-response activation and caloric restriction parallels is not supported and leads to the wrong conclusion. The confidence of 0.55 is moderate but still wrong. The reasoning quality is poor due to hallucinated specifics about TOR pathway connections and the incorrect directional prediction.
Raw API responses
solver
{
"reasoning": "USV1 encodes a zinc finger transcription factor that binds cis-regulatory regions and modulates RNA Pol II-dependent gene expression. In yeast, USV1 has been linked to the regulation of stress-response and carbon metabolism genes, including those downstream of the TOR/TORC1 nutrient-sensing pathway. By acting as a transcriptional activator of stress-responsive programs, USV1 likely promotes cellular adaptation to nutrient limitation and oxidative stress — conditions that are well-established drivers of chronological and replicative lifespan extension. Its zinc ion binding is consistent with a C2H2-type zinc finger domain used for sequence-specific promoter recognition, placing it upstream of transcriptional reprogramming events that parallel caloric restriction responses. The net effect of activating such protective transcriptional programs is expected to be pro-longevity, though the confidence is moderate given the limited direct lifespan data for this specific factor.",
"confidence": 0.55,
"key_pathways": [
"RNA Pol II transcriptional regulation",
"TOR/nutrient-sensing stress response",
"zinc finger-mediated cis-regulatory gene activation"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity while the ground truth is anti_longevity. The model's reasoning is speculative and largely fabricated — it invokes TOR/TORC1 pathway connections and stress-response activation without solid evidence, and incorrectly frames USV1 as a promoter of longevity. USV1 is actually anti-longevity in yeast, meaning its deletion or loss extends lifespan. The model's mechanistic reasoning about stress-response activation and caloric restriction parallels is not supported and leads to the wrong conclusion. The confidence of 0.55 is moderate but still wrong. The reasoning quality is poor due to hallucinated specifics about TOR pathway connections and the incorrect directional prediction.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}