mag-1
C. elegans
Protein mago nashi homolog
What the model saw
Gene: mag-1 Organism: Caenorhabditis elegans Known functions: Protein mago nashi homolog. protein binding.
View unredacted entry
Protein mago nashi homolog. protein binding.
Solver output
MAG-1 is the C. elegans homolog of Mago nashi, a core component of the exon junction complex (EJC). The EJC is deposited on mRNA after splicing and plays critical roles in mRNA surveillance, including nonsense-mediated mRNA decay (NMD), mRNA export, and translational regulation. Proper mRNA quality control via NMD is important for proteostasis and suppression of aberrant protein production. Loss of EJC components in model organisms is generally associated with developmental defects and reduced fitness, suggesting the normal function of MAG-1 supports cellular homeostasis. By ensuring accurate mRNA processing and decay of aberrant transcripts, MAG-1 likely contributes to proteostasis maintenance, which is a pro-longevity mechanism. The protein binding annotation is consistent with its role as a scaffold within the EJC complex.
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 mag-1. The mechanistic reasoning is plausible and well-grounded - MAG-1 as a Mago nashi homolog involved in the exon junction complex, NMD, and proteostasis maintenance is a reasonable explanation for pro-longevity effects. However, the reasoning is somewhat speculative/inferential rather than based on direct experimental evidence about mag-1's role in C. elegans longevity. The confidence of 0.52 is appropriately modest. The mechanism proposed (EJC/NMD/proteostasis) is biologically coherent and likely correct in broad strokes, though the specific experimental evidence linking mag-1 to longevity in C. elegans may involve additional or different mechanisms.
Raw API responses
solver
{
"reasoning": "MAG-1 is the C. elegans homolog of Mago nashi, a core component of the exon junction complex (EJC). The EJC is deposited on mRNA after splicing and plays critical roles in mRNA surveillance, including nonsense-mediated mRNA decay (NMD), mRNA export, and translational regulation. Proper mRNA quality control via NMD is important for proteostasis and suppression of aberrant protein production. Loss of EJC components in model organisms is generally associated with developmental defects and reduced fitness, suggesting the normal function of MAG-1 supports cellular homeostasis. By ensuring accurate mRNA processing and decay of aberrant transcripts, MAG-1 likely contributes to proteostasis maintenance, which is a pro-longevity mechanism. The protein binding annotation is consistent with its role as a scaffold within the EJC complex.",
"confidence": 0.52,
"key_pathways": [
"exon junction complex (EJC) assembly",
"nonsense-mediated mRNA decay (NMD)",
"mRNA quality control and proteostasis"
],
"mechanism_class": "other",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for mag-1. The mechanistic reasoning is plausible and well-grounded - MAG-1 as a Mago nashi homolog involved in the exon junction complex, NMD, and proteostasis maintenance is a reasonable explanation for pro-longevity effects. However, the reasoning is somewhat speculative/inferential rather than based on direct experimental evidence about mag-1's role in C. elegans longevity. The confidence of 0.52 is appropriately modest. The mechanism proposed (EJC/NMD/proteostasis) is biologically coherent and likely correct in broad strokes, though the specific experimental evidence linking mag-1 to longevity in C. elegans may involve additional or different mechanisms.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 3,
"ground_truth_questionable": false
}