rnf-5
C. elegans
E3 ubiquitin ligase rnf-5;RING finger protein 5;RING-type E3 ubiquitin transferase
What the model saw
Gene: rnf-5 Organism: Caenorhabditis elegans Known functions: E3 ubiquitin ligase rnf-5;RING finger protein 5;RING-type E3 ubiquitin transferase. metal ion binding. protein binding. ubiquitin protein ligase activity. ubiquitin-like protein conjugating enzyme binding. ubiquitin-protein transferase activity.
View unredacted entry
E3 ubiquitin ligase rnf-5;RING finger protein 5;RING-type E3 ubiquitin transferase. metal ion binding. protein binding. ubiquitin protein ligase activity. ubiquitin-like protein conjugating enzyme binding. ubiquitin-protein transferase activity.
Solver output
RNF-5 is a RING-type E3 ubiquitin ligase that catalyzes ubiquitin transfer to substrate proteins, targeting them for proteasomal degradation. E3 ligases are central regulators of proteostasis by clearing misfolded, damaged, or surplus proteins via the ubiquitin-proteasome system (UPS). Maintenance of proteostasis through efficient UPS activity is a well-established pro-longevity mechanism in C. elegans. RNF-5 orthologs (e.g., mammalian RNF5/RMA1) are known to ubiquitinate misfolded membrane-associated proteins, contributing to ER-associated degradation (ERAD) and quality control. Loss of such E3 ligase activity would be expected to allow accumulation of proteotoxic substrates, which is anti-longevity; therefore the normal function of rnf-5 supports proteostasis and longevity. The metal ion binding (RING domain zinc coordination) is required for E3 catalytic activity, consistent with this role.
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 predicted pro_longevity but the ground truth is anti_longevity. The model's reasoning assumes that E3 ubiquitin ligases generally support proteostasis and therefore longevity, but this is an oversimplification. RNF-5 in C. elegans is actually anti-longevity, meaning its normal activity shortens lifespan (loss of function likely extends lifespan). The model's mechanistic reasoning is also flawed - it conflates general UPS/proteostasis roles with the specific function of rnf-5, without considering that some E3 ligases can target pro-longevity proteins for degradation (e.g., stress response factors, autophagy regulators). The model's confidence of 0.52 is low but it still committed to the wrong answer. The reasoning quality is poor because it applies a generic heuristic without considering that ubiquitin ligases can degrade longevity-promoting substrates.
Raw API responses
solver
{
"reasoning": "RNF-5 is a RING-type E3 ubiquitin ligase that catalyzes ubiquitin transfer to substrate proteins, targeting them for proteasomal degradation. E3 ligases are central regulators of proteostasis by clearing misfolded, damaged, or surplus proteins via the ubiquitin-proteasome system (UPS). Maintenance of proteostasis through efficient UPS activity is a well-established pro-longevity mechanism in C. elegans. RNF-5 orthologs (e.g., mammalian RNF5/RMA1) are known to ubiquitinate misfolded membrane-associated proteins, contributing to ER-associated degradation (ERAD) and quality control. Loss of such E3 ligase activity would be expected to allow accumulation of proteotoxic substrates, which is anti-longevity; therefore the normal function of rnf-5 supports proteostasis and longevity. The metal ion binding (RING domain zinc coordination) is required for E3 catalytic activity, consistent with this role.",
"confidence": 0.52,
"key_pathways": [
"ubiquitin-proteasome system (UPS)",
"ER-associated degradation (ERAD)",
"protein quality control"
],
"mechanism_class": "loss_of_proteostasis",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. The model's reasoning assumes that E3 ubiquitin ligases generally support proteostasis and therefore longevity, but this is an oversimplification. RNF-5 in C. elegans is actually anti-longevity, meaning its normal activity shortens lifespan (loss of function likely extends lifespan). The model's mechanistic reasoning is also flawed - it conflates general UPS/proteostasis roles with the specific function of rnf-5, without considering that some E3 ligases can target pro-longevity proteins for degradation (e.g., stress response factors, autophagy regulators). The model's confidence of 0.52 is low but it still committed to the wrong answer. The reasoning quality is poor because it applies a generic heuristic without considering that ubiquitin ligases can degrade longevity-promoting substrates.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}