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gyp3

S. pombe

GTPase-activating protein Gyp3

What the model saw

Gene: gyp3
Organism: Schizosaccharomyces pombe
Known functions: GTPase-activating protein Gyp3. GTPase activator activity.
View unredacted entry
GTPase-activating protein Gyp3. GTPase activator activity.

Solver output

Predicted influence
Unclear
Confidence
35%
Mechanism
Deregulated nutrient sensing
Reasoning

Gyp3 is a GTPase-activating protein (GAP) that accelerates GTP hydrolysis on Rab-family or other small GTPases, thereby inactivating them. In S. pombe, Gyp3 and related GAPs regulate vesicular trafficking and potentially Rab-mediated pathways. While GAPs for Rab GTPases can influence autophagy flux and nutrient sensing (e.g., by modulating Rab7/RILP-like pathways relevant to lysosomal/vacuolar function), the specific GTPase substrate of Gyp3 in fission yeast is not well characterized enough to confidently assign a pro- or anti-longevity role. The direction of effect depends critically on which GTPase is inactivated and whether that GTPase promotes or opposes longevity-relevant processes such as TORC1 signaling or autophagy initiation.

Key pathways
Rab GTPase signalingvesicular traffickingvacuolar/lysosomal function
Longevity influence
Anti-longevity
Lifespan effect
Increase

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

Answer
Incorrect
Mechanism
Incorrect
Reasoning quality
2/5
Failure mode
Appropriately uncertain
Notes

The model predicted "unclear" with low confidence (0.35), while the ground truth is "anti_longevity." The model correctly identified Gyp3 as a GTPase-activating protein and discussed relevant pathways (vesicular trafficking, vacuolar function), but failed to commit to the correct anti-longevity classification. The mechanistic reasoning is speculative and doesn't identify the specific pathway by which gyp3 deletion extends lifespan. The model's uncertainty was somewhat reasonable given limited published data on this specific gene, but it still got the answer wrong. The reasoning quality is modest — it correctly characterizes the molecular function but doesn't leverage enough context to arrive at the correct longevity influence.

Raw API responses

solver

{
  "reasoning": "Gyp3 is a GTPase-activating protein (GAP) that accelerates GTP hydrolysis on Rab-family or other small GTPases, thereby inactivating them. In S. pombe, Gyp3 and related GAPs regulate vesicular trafficking and potentially Rab-mediated pathways. While GAPs for Rab GTPases can influence autophagy flux and nutrient sensing (e.g., by modulating Rab7/RILP-like pathways relevant to lysosomal/vacuolar function), the specific GTPase substrate of Gyp3 in fission yeast is not well characterized enough to confidently assign a pro- or anti-longevity role. The direction of effect depends critically on which GTPase is inactivated and whether that GTPase promotes or opposes longevity-relevant processes such as TORC1 signaling or autophagy initiation.",
  "confidence": 0.35,
  "key_pathways": [
    "Rab GTPase signaling",
    "vesicular trafficking",
    "vacuolar/lysosomal function"
  ],
  "mechanism_class": "deregulated_nutrient_sensing",
  "longevity_influence": "unclear"
}

advisor

{
  "notes": "The model predicted \"unclear\" with low confidence (0.35), while the ground truth is \"anti_longevity.\" The model correctly identified Gyp3 as a GTPase-activating protein and discussed relevant pathways (vesicular trafficking, vacuolar function), but failed to commit to the correct anti-longevity classification. The mechanistic reasoning is speculative and doesn't identify the specific pathway by which gyp3 deletion extends lifespan. The model's uncertainty was somewhat reasonable given limited published data on this specific gene, but it still got the answer wrong. The reasoning quality is modest — it correctly characterizes the molecular function but doesn't leverage enough context to arrive at the correct longevity influence.",
  "failure_mode": "appropriately_uncertain",
  "answer_correct": false,
  "mechanism_correct": false,
  "reasoning_quality": 2,
  "ground_truth_questionable": false
}