vrk-1
C. elegans
Serine/threonine-protein kinase VRK1
What the model saw
Gene: vrk-1 Organism: Caenorhabditis elegans Known functions: Serine/threonine-protein kinase VRK1. ATP binding. protein binding. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
View unredacted entry
Serine/threonine-protein kinase VRK1. ATP binding. protein binding. protein kinase activity. protein serine kinase activity. protein serine/threonine kinase activity.
Solver output
VRK-1 (Vaccinia-Related Kinase 1) is a serine/threonine kinase whose mammalian ortholog VRK1 is well-characterized as a nuclear kinase that phosphorylates histone H2AX and other substrates involved in the DNA damage response and chromatin remodeling. In C. elegans, vrk-1 has been shown to promote longevity by activating AMPK signaling and supporting mitochondrial homeostasis, but its core molecular function as a protein serine/threonine kinase places it centrally in DNA damage response pathways. VRK1 phosphorylates BAF (Barrier-to-Autointegration Factor) and histones to facilitate nuclear envelope reassembly and DNA repair, thereby maintaining genomic integrity. Loss of VRK-1 function impairs the DNA damage response, leading to accumulation of genomic lesions — a hallmark of accelerated aging. Additionally, VRK-1 has been linked to AMPK activation in C. elegans, connecting it to nutrient-sensing and energy homeostasis pathways that extend lifespan. Its role in preserving genomic stability and supporting pro-longevity kinase cascades makes it a pro-longevity gene.
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 vrk-1 as pro_longevity with reasonable confidence (0.72). The mechanistic reasoning is largely sound - it correctly identifies VRK-1's role in AMPK activation in C. elegans (which is the primary published mechanism for vrk-1 longevity in worms) and DNA damage response. The model appropriately draws on both the C. elegans-specific AMPK connection and the broader VRK1 literature on genomic integrity. The mechanism class of "genomic_instability" is somewhat reductive given that AMPK signaling is likely the primary mechanism in C. elegans, but the reasoning text does cover both pathways adequately. Overall a well-reasoned correct prediction.
Raw API responses
solver
{
"reasoning": "VRK-1 (Vaccinia-Related Kinase 1) is a serine/threonine kinase whose mammalian ortholog VRK1 is well-characterized as a nuclear kinase that phosphorylates histone H2AX and other substrates involved in the DNA damage response and chromatin remodeling. In C. elegans, vrk-1 has been shown to promote longevity by activating AMPK signaling and supporting mitochondrial homeostasis, but its core molecular function as a protein serine/threonine kinase places it centrally in DNA damage response pathways. VRK1 phosphorylates BAF (Barrier-to-Autointegration Factor) and histones to facilitate nuclear envelope reassembly and DNA repair, thereby maintaining genomic integrity. Loss of VRK-1 function impairs the DNA damage response, leading to accumulation of genomic lesions — a hallmark of accelerated aging. Additionally, VRK-1 has been linked to AMPK activation in C. elegans, connecting it to nutrient-sensing and energy homeostasis pathways that extend lifespan. Its role in preserving genomic stability and supporting pro-longevity kinase cascades makes it a pro-longevity gene.",
"confidence": 0.72,
"key_pathways": [
"DNA damage response / genomic integrity (H2AX phosphorylation, BAF phosphorylation)",
"AMPK activation and energy sensing",
"Nuclear envelope reassembly and chromatin remodeling"
],
"mechanism_class": "genomic_instability",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted vrk-1 as pro_longevity with reasonable confidence (0.72). The mechanistic reasoning is largely sound - it correctly identifies VRK-1's role in AMPK activation in C. elegans (which is the primary published mechanism for vrk-1 longevity in worms) and DNA damage response. The model appropriately draws on both the C. elegans-specific AMPK connection and the broader VRK1 literature on genomic integrity. The mechanism class of \"genomic_instability\" is somewhat reductive given that AMPK signaling is likely the primary mechanism in C. elegans, but the reasoning text does cover both pathways adequately. Overall a well-reasoned correct prediction.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}