Nos3
M. musculus
nitric oxide synthase 3, endothelial cell
What the model saw
Gene: Nos3 Organism: Mus musculus Known functions: nitric oxide synthase 3, endothelial cell. nitric oxide synthase 3. FMN binding. Hsp90 protein binding. NADP binding. actin binding. actin monomer binding. arginine binding. beta-catenin binding. cadherin binding. calmodulin binding. flavin adenine dinucleotide binding. heme binding. nitric-oxide synthase activity. nitric-oxide synthase binding. oxidoreductase activity. protein binding. scaffold protein binding. tetrahydrobiopterin binding.
View unredacted entry
nitric oxide synthase 3, endothelial cell. nitric oxide synthase 3. FMN binding. Hsp90 protein binding. NADP binding. actin binding. actin monomer binding. arginine binding. beta-catenin binding. cadherin binding. calmodulin binding. flavin adenine dinucleotide binding. heme binding. nitric-oxide synthase activity. nitric-oxide synthase binding. oxidoreductase activity. protein binding. scaffold protein binding. tetrahydrobiopterin binding.
Solver output
Nos3 (eNOS) catalyzes the production of nitric oxide (NO) from L-arginine in endothelial cells, requiring calmodulin, FAD, FMN, NADP, heme, and tetrahydrobiopterin as cofactors. Endothelial-derived NO is the primary vasodilatory and vasoprotective signaling molecule, maintaining vascular homeostasis by suppressing smooth muscle proliferation, platelet aggregation, and leukocyte adhesion. Loss of eNOS-derived NO signaling is a hallmark of endothelial dysfunction, which drives age-related cardiovascular disease, hypertension, and atherosclerosis. eNOS also interacts with Hsp90 and caveolin scaffolds to regulate its activity, and its binding to actin and beta-catenin/cadherin complexes links it to endothelial integrity. Mice lacking Nos3 exhibit hypertension, accelerated vascular aging, and reduced lifespan, while enhanced eNOS activity is associated with improved vascular function and longevity.
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 Nos3 (eNOS) in mice. The mechanistic reasoning is excellent and well-grounded: eNOS produces nitric oxide in endothelial cells, which is critical for vascular homeostasis; Nos3 knockout mice exhibit hypertension and accelerated vascular aging; enhanced eNOS activity is associated with improved longevity. The mechanism class of "altered_intercellular_communication" is appropriate since NO is a paracrine signaling molecule. The model correctly identified all key cofactors and binding partners from the gene function description and integrated them into a coherent mechanistic narrative. Confidence of 0.82 is well-calibrated.
Raw API responses
solver
{
"reasoning": "Nos3 (eNOS) catalyzes the production of nitric oxide (NO) from L-arginine in endothelial cells, requiring calmodulin, FAD, FMN, NADP, heme, and tetrahydrobiopterin as cofactors. Endothelial-derived NO is the primary vasodilatory and vasoprotective signaling molecule, maintaining vascular homeostasis by suppressing smooth muscle proliferation, platelet aggregation, and leukocyte adhesion. Loss of eNOS-derived NO signaling is a hallmark of endothelial dysfunction, which drives age-related cardiovascular disease, hypertension, and atherosclerosis. eNOS also interacts with Hsp90 and caveolin scaffolds to regulate its activity, and its binding to actin and beta-catenin/cadherin complexes links it to endothelial integrity. Mice lacking Nos3 exhibit hypertension, accelerated vascular aging, and reduced lifespan, while enhanced eNOS activity is associated with improved vascular function and longevity.",
"confidence": 0.82,
"key_pathways": [
"eNOS/nitric oxide vascular signaling",
"calmodulin-dependent NO production",
"endothelial homeostasis and vasoprotection"
],
"mechanism_class": "altered_intercellular_communication",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for Nos3 (eNOS) in mice. The mechanistic reasoning is excellent and well-grounded: eNOS produces nitric oxide in endothelial cells, which is critical for vascular homeostasis; Nos3 knockout mice exhibit hypertension and accelerated vascular aging; enhanced eNOS activity is associated with improved longevity. The mechanism class of \"altered_intercellular_communication\" is appropriate since NO is a paracrine signaling molecule. The model correctly identified all key cofactors and binding partners from the gene function description and integrated them into a coherent mechanistic narrative. Confidence of 0.82 is well-calibrated.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}