tfs1
S. pombe
general transcription elongation factor TFIIS
What the model saw
Gene: tfs1 Organism: Schizosaccharomyces pombe Known functions: general transcription elongation factor TFIIS. nucleic acid binding. protein binding. transcription elongation factor activity. zinc ion binding.
View unredacted entry
general transcription elongation factor TFIIS. nucleic acid binding. protein binding. transcription elongation factor activity. zinc ion binding.
Solver output
TFIIS (encoded by tfs1) is a general transcription elongation factor that rescues RNA polymerase II from transcriptional arrest by stimulating cleavage of the nascent RNA, allowing elongation to resume. Faithful transcription elongation is critical for maintaining proper gene expression programs; loss of TFIIS leads to increased transcriptional errors, stalling, and genome instability at transcription-replication conflicts. By ensuring accurate and efficient transcription elongation, tfs1 supports proteostasis and the correct expression of stress-response and longevity-related genes. In yeast models, transcription elongation fidelity factors have been linked to replicative and chronological lifespan, as transcriptional fidelity is a component of the broader epigenetic/transcriptional regulation hallmark of aging. The zinc ion binding activity is consistent with the conserved zinc ribbon domain of TFIIS required for its RNA cleavage-stimulatory function within the RNA Pol II active site.
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 but the ground truth is anti_longevity. The model reasoned that tfs1 supports longevity by ensuring transcription fidelity and proper gene expression, but the actual finding is that tfs1 is anti-longevity (meaning its deletion or loss extends lifespan, or its presence shortens lifespan). The mechanistic reasoning is plausible in general terms but leads to the wrong conclusion. The model's confidence of 0.62 is moderate but still clearly wrong. The mechanism class of "epigenetic_alterations" is also questionable for a transcription elongation factor.
Raw API responses
solver
{
"reasoning": "TFIIS (encoded by tfs1) is a general transcription elongation factor that rescues RNA polymerase II from transcriptional arrest by stimulating cleavage of the nascent RNA, allowing elongation to resume. Faithful transcription elongation is critical for maintaining proper gene expression programs; loss of TFIIS leads to increased transcriptional errors, stalling, and genome instability at transcription-replication conflicts. By ensuring accurate and efficient transcription elongation, tfs1 supports proteostasis and the correct expression of stress-response and longevity-related genes. In yeast models, transcription elongation fidelity factors have been linked to replicative and chronological lifespan, as transcriptional fidelity is a component of the broader epigenetic/transcriptional regulation hallmark of aging. The zinc ion binding activity is consistent with the conserved zinc ribbon domain of TFIIS required for its RNA cleavage-stimulatory function within the RNA Pol II active site.",
"confidence": 0.62,
"key_pathways": [
"RNA polymerase II transcription elongation",
"transcription-coupled DNA damage response",
"transcriptional fidelity and gene expression maintenance"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. The model reasoned that tfs1 supports longevity by ensuring transcription fidelity and proper gene expression, but the actual finding is that tfs1 is anti-longevity (meaning its deletion or loss extends lifespan, or its presence shortens lifespan). The mechanistic reasoning is plausible in general terms but leads to the wrong conclusion. The model's confidence of 0.62 is moderate but still clearly wrong. The mechanism class of \"epigenetic_alterations\" is also questionable for a transcription elongation factor.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}