Core requirements of the adenine riboswitch aptamer for ligand binding
Why this work is in the frame
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Bibliographic record
Abstract
The adenine riboswitch aptamer, the A box, positively regulates gene expression upon adenine binding. To provide insight into structure-function relationships, important for the adenine riboswitch aptamer, we have created alignments for six aptamer sequences that reveal the core requirements. In addition, 2-aminopurine (2AP) binding studies have been used to test the consensus sequence derived from the alignment. Overall, the consensus secondary structure is consistent with 2AP binding studies. However, a position in the core, previously identified as variable, shows restriction in nucleotide sequence. Furthermore, this restriction is found to be related with the ligand specificity of the riboswitch. The implications of this relationship for the riboswitch gene regulation mechanism are discussed.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it