MPT5
S. cerevisiae
Mpt5p
What the model saw
Gene: MPT5 Organism: Saccharomyces cerevisiae Known functions: Mpt5p. RNA binding. mRNA binding. protein binding. protein-macromolecule adaptor activity.
View unredacted entry
Mpt5p. RNA binding. mRNA binding. protein binding. protein-macromolecule adaptor activity.
Solver output
MPT5 (also known as PUF5) encodes a member of the PUF (Pumilio and FBF) family of RNA-binding proteins in S. cerevisiae. PUF proteins bind to the 3' UTRs of target mRNAs and repress their translation or promote their degradation, acting as post-transcriptional regulators. MPT5/Puf5p has been shown to extend replicative lifespan in yeast by repressing the translation of mRNAs encoding factors that promote aging, including components linked to cell cycle progression and stress responses. Its protein-macromolecule adaptor activity reflects its role in recruiting deadenylase complexes (e.g., Ccr4-Not) to target mRNAs, thereby modulating the proteome in a manner analogous to epigenetic/post-transcriptional gene silencing. Loss of MPT5 shortens replicative lifespan, consistent with a pro-longevity role. The primary mechanism aligns with epigenetic/post-transcriptional alterations in gene expression rather than a direct hallmark such as genomic instability.
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 MPT5 as pro_longevity with good confidence (0.72). The mechanistic reasoning is largely accurate - MPT5/Puf5p is indeed a PUF family RNA-binding protein that represses translation of target mRNAs and extends replicative lifespan in yeast. The description of Ccr4-Not deadenylase complex recruitment is accurate. The classification as "epigenetic_alterations" is a slight stretch since post-transcriptional regulation via RNA-binding proteins is more accurately described as post-transcriptional regulation rather than epigenetic alteration, but the model acknowledges this nuance in its reasoning. Overall, the prediction is correct with solid mechanistic understanding.
Raw API responses
solver
{
"reasoning": "MPT5 (also known as PUF5) encodes a member of the PUF (Pumilio and FBF) family of RNA-binding proteins in S. cerevisiae. PUF proteins bind to the 3' UTRs of target mRNAs and repress their translation or promote their degradation, acting as post-transcriptional regulators. MPT5/Puf5p has been shown to extend replicative lifespan in yeast by repressing the translation of mRNAs encoding factors that promote aging, including components linked to cell cycle progression and stress responses. Its protein-macromolecule adaptor activity reflects its role in recruiting deadenylase complexes (e.g., Ccr4-Not) to target mRNAs, thereby modulating the proteome in a manner analogous to epigenetic/post-transcriptional gene silencing. Loss of MPT5 shortens replicative lifespan, consistent with a pro-longevity role. The primary mechanism aligns with epigenetic/post-transcriptional alterations in gene expression rather than a direct hallmark such as genomic instability.",
"confidence": 0.72,
"key_pathways": [
"PUF family mRNA 3' UTR binding and translational repression",
"Ccr4-Not deadenylase complex recruitment",
"post-transcriptional regulation of aging-related mRNAs"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted MPT5 as pro_longevity with good confidence (0.72). The mechanistic reasoning is largely accurate - MPT5/Puf5p is indeed a PUF family RNA-binding protein that represses translation of target mRNAs and extends replicative lifespan in yeast. The description of Ccr4-Not deadenylase complex recruitment is accurate. The classification as \"epigenetic_alterations\" is a slight stretch since post-transcriptional regulation via RNA-binding proteins is more accurately described as post-transcriptional regulation rather than epigenetic alteration, but the model acknowledges this nuance in its reasoning. Overall, the prediction is correct with solid mechanistic understanding.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}