RFX1
S. cerevisiae
Rfx1p
What the model saw
Gene: RFX1 Organism: Saccharomyces cerevisiae Known functions: Rfx1p. DNA binding. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. protein binding. sequence-specific DNA binding.
View unredacted entry
Rfx1p. DNA binding. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. protein binding. sequence-specific DNA binding.
Solver output
RFX1 in S. cerevisiae encodes a DNA-binding transcription factor (Rfx1p) that binds cis-regulatory regions and modulates RNA polymerase II-dependent transcription. In yeast, Rfx1p is known to act as a transcriptional repressor, particularly repressing genes involved in DNA damage response and stress pathways. By repressing stress-response and DNA repair gene expression, Rfx1p's normal function would dampen protective mechanisms that counteract genomic instability and cellular stress, thereby opposing longevity. The RFX-family transcription factor activity maps most closely to epigenetic/transcriptional regulatory alterations that shift gene expression programs in an aging-unfavorable direction. Loss of Rfx1p repression has been associated with upregulation of damage-response genes, suggesting the wild-type repressor function is net detrimental to lifespan.
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 correctly predicted anti_longevity for RFX1 in S. cerevisiae. The mechanistic reasoning is sound - Rfx1p is indeed a transcriptional repressor that represses DNA damage response genes, and its repressor activity would be net detrimental to lifespan. The classification as "epigenetic_alterations" is a slight stretch since this is more directly transcriptional regulation rather than epigenetic per se, but the overall reasoning is coherent. Confidence of 0.52 is appropriately modest given the limited information provided in the entry. The reasoning about loss of Rfx1p leading to upregulation of damage-response genes is consistent with known yeast biology.
Raw API responses
solver
{
"reasoning": "RFX1 in S. cerevisiae encodes a DNA-binding transcription factor (Rfx1p) that binds cis-regulatory regions and modulates RNA polymerase II-dependent transcription. In yeast, Rfx1p is known to act as a transcriptional repressor, particularly repressing genes involved in DNA damage response and stress pathways. By repressing stress-response and DNA repair gene expression, Rfx1p's normal function would dampen protective mechanisms that counteract genomic instability and cellular stress, thereby opposing longevity. The RFX-family transcription factor activity maps most closely to epigenetic/transcriptional regulatory alterations that shift gene expression programs in an aging-unfavorable direction. Loss of Rfx1p repression has been associated with upregulation of damage-response genes, suggesting the wild-type repressor function is net detrimental to lifespan.",
"confidence": 0.52,
"key_pathways": [
"RNA polymerase II transcriptional repression",
"DNA damage response regulation",
"stress-response gene silencing"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "anti_longevity"
}advisor
{
"notes": "The model correctly predicted anti_longevity for RFX1 in S. cerevisiae. The mechanistic reasoning is sound - Rfx1p is indeed a transcriptional repressor that represses DNA damage response genes, and its repressor activity would be net detrimental to lifespan. The classification as \"epigenetic_alterations\" is a slight stretch since this is more directly transcriptional regulation rather than epigenetic per se, but the overall reasoning is coherent. Confidence of 0.52 is appropriately modest given the limited information provided in the entry. The reasoning about loss of Rfx1p leading to upregulation of damage-response genes is consistent with known yeast biology.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}