sas-5
C. elegans
Spindle assembly abnormal protein 5
What the model saw
Gene: sas-5 Organism: Caenorhabditis elegans Known functions: Spindle assembly abnormal protein 5. protein binding.
View unredacted entry
Spindle assembly abnormal protein 5. protein binding.
Solver output
SAS-5 (Spindle Assembly Abnormal Protein 5) is a core component of the centriole duplication machinery in C. elegans, functioning in centrosome biogenesis alongside SAS-4 and SAS-6. Its annotated molecular function is limited to generic protein binding, which does not directly map to a specific aging hallmark. While centrosome integrity is linked to genomic stability and stem cell function, loss of sas-5 causes embryonic lethality due to failed centriole duplication, making it difficult to assess its role in adult longevity. The available functional annotations are too limited and the pleiotropic nature of centrosome biology prevents a confident directional prediction for longevity influence.
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 ground truth classifies sas-5 as anti_longevity, but the model predicted "unclear" with low confidence (0.35). The model's reasoning about SAS-5's role in centriole duplication and centrosome biogenesis is mechanistically plausible, but the model failed to make a directional prediction. The model's concern about embryonic lethality preventing longevity assessment is reasonable but ultimately led to an incorrect non-answer. The ground truth indicates sas-5 is anti-longevity, meaning its loss (or reduction) extends lifespan, which the model did not predict. The model's reasoning quality is limited - while it correctly identifies the biological role of SAS-5, it doesn't connect centrosome/spindle biology to longevity mechanisms in C. elegans (e.g., through DNA damage response or proteostasis pathways). The model was appropriately uncertain given limited information, but the prediction was still wrong.
Raw API responses
solver
{
"reasoning": "SAS-5 (Spindle Assembly Abnormal Protein 5) is a core component of the centriole duplication machinery in C. elegans, functioning in centrosome biogenesis alongside SAS-4 and SAS-6. Its annotated molecular function is limited to generic protein binding, which does not directly map to a specific aging hallmark. While centrosome integrity is linked to genomic stability and stem cell function, loss of sas-5 causes embryonic lethality due to failed centriole duplication, making it difficult to assess its role in adult longevity. The available functional annotations are too limited and the pleiotropic nature of centrosome biology prevents a confident directional prediction for longevity influence.",
"confidence": 0.35,
"key_pathways": [
"centriole duplication",
"centrosome biogenesis",
"spindle assembly"
],
"mechanism_class": "unclear",
"longevity_influence": "unclear"
}advisor
{
"notes": "The ground truth classifies sas-5 as anti_longevity, but the model predicted \"unclear\" with low confidence (0.35). The model's reasoning about SAS-5's role in centriole duplication and centrosome biogenesis is mechanistically plausible, but the model failed to make a directional prediction. The model's concern about embryonic lethality preventing longevity assessment is reasonable but ultimately led to an incorrect non-answer. The ground truth indicates sas-5 is anti-longevity, meaning its loss (or reduction) extends lifespan, which the model did not predict. The model's reasoning quality is limited - while it correctly identifies the biological role of SAS-5, it doesn't connect centrosome/spindle biology to longevity mechanisms in C. elegans (e.g., through DNA damage response or proteostasis pathways). The model was appropriately uncertain given limited information, but the prediction was still wrong.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": true
}