SCP1
S. cerevisiae
Scp1p
What the model saw
Gene: SCP1 Organism: Saccharomyces cerevisiae Known functions: Scp1p. actin filament binding. protein binding. protein-macromolecule adaptor activity.
View unredacted entry
Scp1p. actin filament binding. protein binding. protein-macromolecule adaptor activity.
Solver output
SCP1 (Scp1p) in S. cerevisiae encodes a calponin-like actin filament-binding protein that acts as a protein-macromolecule adaptor, crosslinking or stabilizing actin filaments. While actin cytoskeleton dynamics are linked to aging processes such as autophagy flux and mitochondrial morphology, the specific role of Scp1p as an actin-bundling/stabilizing adaptor does not map cleanly to a pro- or anti-longevity function. Actin cable integrity is important for asymmetric inheritance of damaged proteins (a pro-longevity process in yeast), but Scp1p's precise contribution to this versus other actin-dependent processes is ambiguous. The available molecular function annotations (actin filament binding, protein-macromolecule adaptor activity) are insufficient to confidently assign a directional longevity effect without additional phenotypic or genetic interaction data.
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 "unclear" while the ground truth is "anti_longevity". The model was appropriately uncertain given the limited functional annotations provided, but it failed to arrive at the correct answer. The reasoning about actin cytoskeleton dynamics and asymmetric protein inheritance is plausible but doesn't lead to the correct conclusion. The model's low confidence (0.35) reflects genuine uncertainty, but it still missed the anti-longevity classification. The mechanistic reasoning is speculative and doesn't correctly identify why SCP1 would be anti-longevity (deletion of SCP1 likely extends lifespan, making it anti-longevity). The model's reasoning about actin cable integrity being pro-longevity actually hints at the right direction (if Scp1p stabilizes actin, its deletion might disrupt certain actin functions), but the model didn't commit to this conclusion.
Raw API responses
solver
{
"reasoning": "SCP1 (Scp1p) in S. cerevisiae encodes a calponin-like actin filament-binding protein that acts as a protein-macromolecule adaptor, crosslinking or stabilizing actin filaments. While actin cytoskeleton dynamics are linked to aging processes such as autophagy flux and mitochondrial morphology, the specific role of Scp1p as an actin-bundling/stabilizing adaptor does not map cleanly to a pro- or anti-longevity function. Actin cable integrity is important for asymmetric inheritance of damaged proteins (a pro-longevity process in yeast), but Scp1p's precise contribution to this versus other actin-dependent processes is ambiguous. The available molecular function annotations (actin filament binding, protein-macromolecule adaptor activity) are insufficient to confidently assign a directional longevity effect without additional phenotypic or genetic interaction data.",
"confidence": 0.35,
"key_pathways": [
"actin cytoskeleton organization",
"protein-macromolecule adaptor activity",
"asymmetric protein inheritance"
],
"mechanism_class": "other",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model predicted \"unclear\" while the ground truth is \"anti_longevity\". The model was appropriately uncertain given the limited functional annotations provided, but it failed to arrive at the correct answer. The reasoning about actin cytoskeleton dynamics and asymmetric protein inheritance is plausible but doesn't lead to the correct conclusion. The model's low confidence (0.35) reflects genuine uncertainty, but it still missed the anti-longevity classification. The mechanistic reasoning is speculative and doesn't correctly identify why SCP1 would be anti-longevity (deletion of SCP1 likely extends lifespan, making it anti-longevity). The model's reasoning about actin cable integrity being pro-longevity actually hints at the right direction (if Scp1p stabilizes actin, its deletion might disrupt certain actin functions), but the model didn't commit to this conclusion.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}