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Cdk7

M. musculus

cyclin dependent kinase 7

What the model saw

Gene: Cdk7
Organism: Mus musculus
Known functions: cyclin dependent kinase 7. cyclin-dependent kinase 7. ATP binding. ATP-dependent activity, acting on DNA. RNA polymerase II CTD heptapeptide repeat S5 kinase activity. RNA polymerase II CTD heptapeptide repeat kinase activity. cyclin-dependent protein serine/threonine kinase activity. kinase activity. protein binding. protein kinase activity. protein serine kinase activity. protein-containing complex binding.
View unredacted entry
cyclin dependent kinase 7. cyclin-dependent kinase 7. ATP binding. ATP-dependent activity, acting on DNA. RNA polymerase II CTD heptapeptide repeat S5 kinase activity. RNA polymerase II CTD heptapeptide repeat kinase activity. cyclin-dependent protein serine/threonine kinase activity. kinase activity. protein binding. protein kinase activity. protein serine kinase activity. protein-containing complex binding.

Solver output

Predicted influence
Anti-longevity
Confidence
65%
Mechanism
Cellular senescence
Reasoning

CDK7 is the catalytic subunit of the CDK-activating kinase (CAK) complex, which phosphorylates and activates multiple cyclin-dependent kinases (CDK1, CDK2, CDK4, CDK6) that drive cell cycle progression. By promoting CDK activation, CDK7 facilitates proliferation and suppresses cell cycle arrest pathways that would otherwise trigger senescence or apoptosis in damaged cells. Additionally, CDK7 phosphorylates the RNA Pol II CTD at Ser5, a critical step for transcription initiation and elongation, supporting the transcriptional programs that sustain cell growth and division. Sustained CDK7 activity thus promotes unchecked proliferation and may accelerate replicative exhaustion of stem cell pools, contributing to age-related tissue dysfunction. Furthermore, CDK7-driven transcriptional activation can support pro-inflammatory and oncogenic gene expression programs, both of which are associated with accelerated aging phenotypes.

Key pathways
CDK-activating kinase (CAK) / cell cycle progressionRNA Pol II CTD Ser5 phosphorylation / transcription initiationcyclin-CDK complex activation
Longevity influence
Pro-longevity
Lifespan effect
Decrease

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
Confident wrong
Notes

The model predicted anti_longevity while the ground truth is pro_longevity. The model's reasoning is speculative and largely incorrect - it argues that CDK7 promotes unchecked proliferation, replicative exhaustion, and pro-inflammatory programs, leading to accelerated aging. However, CDK7's role in transcription regulation and cell cycle control is actually pro-longevity in mice. The model's mechanistic reasoning about CDK7 driving "accelerated aging phenotypes" through oncogenic/inflammatory programs is not well-supported and contradicts the actual finding. The model was moderately confident (0.65) in the wrong direction.

Raw API responses

solver

{
  "reasoning": "CDK7 is the catalytic subunit of the CDK-activating kinase (CAK) complex, which phosphorylates and activates multiple cyclin-dependent kinases (CDK1, CDK2, CDK4, CDK6) that drive cell cycle progression. By promoting CDK activation, CDK7 facilitates proliferation and suppresses cell cycle arrest pathways that would otherwise trigger senescence or apoptosis in damaged cells. Additionally, CDK7 phosphorylates the RNA Pol II CTD at Ser5, a critical step for transcription initiation and elongation, supporting the transcriptional programs that sustain cell growth and division. Sustained CDK7 activity thus promotes unchecked proliferation and may accelerate replicative exhaustion of stem cell pools, contributing to age-related tissue dysfunction. Furthermore, CDK7-driven transcriptional activation can support pro-inflammatory and oncogenic gene expression programs, both of which are associated with accelerated aging phenotypes.",
  "confidence": 0.65,
  "key_pathways": [
    "CDK-activating kinase (CAK) / cell cycle progression",
    "RNA Pol II CTD Ser5 phosphorylation / transcription initiation",
    "cyclin-CDK complex activation"
  ],
  "mechanism_class": "cellular_senescence",
  "longevity_influence": "anti_longevity"
}

advisor

{
  "notes": "The model predicted anti_longevity while the ground truth is pro_longevity. The model's reasoning is speculative and largely incorrect - it argues that CDK7 promotes unchecked proliferation, replicative exhaustion, and pro-inflammatory programs, leading to accelerated aging. However, CDK7's role in transcription regulation and cell cycle control is actually pro-longevity in mice. The model's mechanistic reasoning about CDK7 driving \"accelerated aging phenotypes\" through oncogenic/inflammatory programs is not well-supported and contradicts the actual finding. The model was moderately confident (0.65) in the wrong direction.",
  "failure_mode": "confident_wrong",
  "answer_correct": false,
  "mechanism_correct": false,
  "reasoning_quality": 2,
  "ground_truth_questionable": false
}