Biophysical characterization of 21.5-kDa myelin basic protein (MBP) and the effects of zinc on its structure
Bibliographic record
Abstract
Myelin Basic Protein (MBP) is a highly abundant protein in central nervous system (CNS) myelin that has a critical role in its proper formation and functioning. The 21.5-kDa isoform of MBP has been shown to be selectively imported into the nucleus of myelin-producing cells, oligodendrocytes, and may be involved in signaling pathways that affect the formation and recovery of CNS myelin. The first step in understanding potential nuclear binding partners of 21.5-kDa MBP is to characterize the structure of the protein. In this study, circular dichroism and fluorescence spectroscopy were used to analyze the structure of 21.5-kDa rmMBP (recombinant murine MBP) in vitro in the presence and absence of Zn2+, an abundant trace metal in CNS myelin that has been suggested to affect MBP structure. Fluorescence spectroscopy with a probe for hydrophobic protein regions showed that Zn2+ may affect the conformation of 21.5-kDa MBP in aqueous solution.
 
 Keywords: myelin basic protein (MBP); intrinsically-disordered protein; circular dichroism; fluoresence spectroscopy
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How this classification was reachedexpand
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 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".