Pink1
D. melanogaster
PTEN-induced putative kinase 1
What the model saw
Gene: Pink1 Organism: Drosophila melanogaster Known functions: PTEN-induced putative kinase 1. ATP binding. ATP-dependent protein binding. protein binding. protein kinase activity. protein serine/threonine kinase activity.
View unredacted entry
PTEN-induced putative kinase 1. ATP binding. ATP-dependent protein binding. protein binding. protein kinase activity. protein serine/threonine kinase activity.
Solver output
PINK1 (PTEN-induced putative kinase 1) is a mitochondrially targeted serine/threonine kinase that acts as a master regulator of mitophagy — the selective autophagic clearance of damaged mitochondria. In Drosophila, PINK1 phosphorylates Parkin (an E3 ubiquitin ligase) and mitochondrial substrates such as ubiquitin and Mfn, initiating the PINK1-Parkin mitophagy pathway. By tagging depolarized mitochondria for degradation, PINK1 prevents the accumulation of dysfunctional mitochondria that generate excess reactive oxygen species and trigger apoptosis. Loss of Pink1 in Drosophila causes severe mitochondrial dysfunction, muscle degeneration, and reduced lifespan, while its normal function preserves mitochondrial quality control and supports organismal longevity. This places PINK1 squarely within the mitochondrial dysfunction hallmark of aging, acting pro-longevity by maintaining a healthy mitochondrial pool.
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 correctly predicted pro_longevity for PINK1 in Drosophila with high confidence (0.88). The mechanistic reasoning is excellent and accurate: PINK1 is indeed a mitochondrially targeted serine/threonine kinase that regulates mitophagy via the PINK1-Parkin pathway, and loss of Pink1 in Drosophila causes mitochondrial dysfunction and reduced lifespan. The model correctly identifies the key pathways and the hallmark of aging involved. All aspects of the prediction are well-supported by the literature.
Raw API responses
solver
{
"reasoning": "PINK1 (PTEN-induced putative kinase 1) is a mitochondrially targeted serine/threonine kinase that acts as a master regulator of mitophagy — the selective autophagic clearance of damaged mitochondria. In Drosophila, PINK1 phosphorylates Parkin (an E3 ubiquitin ligase) and mitochondrial substrates such as ubiquitin and Mfn, initiating the PINK1-Parkin mitophagy pathway. By tagging depolarized mitochondria for degradation, PINK1 prevents the accumulation of dysfunctional mitochondria that generate excess reactive oxygen species and trigger apoptosis. Loss of Pink1 in Drosophila causes severe mitochondrial dysfunction, muscle degeneration, and reduced lifespan, while its normal function preserves mitochondrial quality control and supports organismal longevity. This places PINK1 squarely within the mitochondrial dysfunction hallmark of aging, acting pro-longevity by maintaining a healthy mitochondrial pool.",
"confidence": 0.88,
"key_pathways": [
"PINK1-Parkin mitophagy pathway",
"mitochondrial quality control",
"ATP-dependent protein phosphorylation"
],
"mechanism_class": "mitochondrial_dysfunction",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for PINK1 in Drosophila with high confidence (0.88). The mechanistic reasoning is excellent and accurate: PINK1 is indeed a mitochondrially targeted serine/threonine kinase that regulates mitophagy via the PINK1-Parkin pathway, and loss of Pink1 in Drosophila causes mitochondrial dysfunction and reduced lifespan. The model correctly identifies the key pathways and the hallmark of aging involved. All aspects of the prediction are well-supported by the literature.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}