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tbce-1

C. elegans

Tubulin-specific chaperone E

What the model saw

Gene: tbce-1
Organism: Caenorhabditis elegans
Known functions: Tubulin-specific chaperone E. alpha-tubulin binding.
View unredacted entry
Tubulin-specific chaperone E. alpha-tubulin binding.

Solver output

Predicted influence
Unclear
Confidence
35%
Mechanism
Other
Reasoning

TBCE-1 encodes a tubulin-specific chaperone E (TBCE) that binds alpha-tubulin and is required for proper folding and assembly of alpha/beta-tubulin heterodimers. While microtubule integrity is important for intracellular transport, cell division, and neuronal function, the direct connection of tubulin chaperone activity to canonical longevity pathways in C. elegans is not well established. Microtubule dynamics have been linked to both autophagy (via transport of autophagosomes) and cellular senescence, but TBCE-1's specific role as a chaperone rather than a structural or signaling component makes it difficult to assign a clear pro- or anti-longevity function. Loss of tubulin chaperone function could impair proteostasis indirectly by disrupting cytoskeletal-dependent protein quality control, but this is speculative without direct evidence in aging contexts.

Key pathways
tubulin folding and heterodimer assemblymicrotubule cytoskeleton organizationintracellular transport
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 the general function of tbce-1 as a tubulin-specific chaperone involved in alpha-tubulin binding and microtubule assembly, but failed to make a directional prediction. The reasoning is plausible but overly cautious - the model acknowledged possible connections to proteostasis and cytoskeletal function but declined to commit to a direction. Since the ground truth is anti_longevity, the model's uncertainty was not warranted given that loss of tubulin chaperone function (which would impair microtubule dynamics) could reasonably be expected to have anti-longevity effects. The model's mechanistic reasoning about tubulin folding and cytoskeletal organization is partially relevant but doesn't arrive at the correct conclusion.

Raw API responses

solver

{
  "reasoning": "TBCE-1 encodes a tubulin-specific chaperone E (TBCE) that binds alpha-tubulin and is required for proper folding and assembly of alpha/beta-tubulin heterodimers. While microtubule integrity is important for intracellular transport, cell division, and neuronal function, the direct connection of tubulin chaperone activity to canonical longevity pathways in C. elegans is not well established. Microtubule dynamics have been linked to both autophagy (via transport of autophagosomes) and cellular senescence, but TBCE-1's specific role as a chaperone rather than a structural or signaling component makes it difficult to assign a clear pro- or anti-longevity function. Loss of tubulin chaperone function could impair proteostasis indirectly by disrupting cytoskeletal-dependent protein quality control, but this is speculative without direct evidence in aging contexts.",
  "confidence": 0.35,
  "key_pathways": [
    "tubulin folding and heterodimer assembly",
    "microtubule cytoskeleton organization",
    "intracellular transport"
  ],
  "mechanism_class": "other",
  "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 the general function of tbce-1 as a tubulin-specific chaperone involved in alpha-tubulin binding and microtubule assembly, but failed to make a directional prediction. The reasoning is plausible but overly cautious - the model acknowledged possible connections to proteostasis and cytoskeletal function but declined to commit to a direction. Since the ground truth is anti_longevity, the model's uncertainty was not warranted given that loss of tubulin chaperone function (which would impair microtubule dynamics) could reasonably be expected to have anti-longevity effects. The model's mechanistic reasoning about tubulin folding and cytoskeletal organization is partially relevant but doesn't arrive at the correct conclusion.",
  "failure_mode": "appropriately_uncertain",
  "answer_correct": false,
  "mechanism_correct": false,
  "reasoning_quality": 2,
  "ground_truth_questionable": false
}