Physicochemical and Structural Properties of Oat Globulin Polymers Formed by a Microbial Transglutaminase
Bibliographic record
Abstract
Oat globulin was polymerized by a microbial transglutaminase (TG), and some physicochemical and functional properties of polymers were studied. Reversed-phase HPLC revealed that the number of epsilon-(gamma-glutamyl) lysine isopeptide bonds formed after 4 h of enzyme incubation was 2.21 micromol/g of protein. SDS-PAGE showed that the oat globulin acidic polypeptides (AP) were more susceptible to polymerization than the basic polypeptides (BP), and the reactivities of both AP and BP were enhanced by the addition of other substrate proteins. Differential scanning calorimetry showed that both the denaturation temperature and denaturation enthalpy were decreased after TG treatment. Fourier transform infrared spectroscopy revealed marked increases in the intensity of two intermolecular beta-sheet bands associated with aggregate formation but little conformational changes in the polymerized protein. TG incubation led to progressive changes in flow properties of oat globulin dispersions, indicating enhanced pseudoplasticity and increased viscosity and yield stress.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), 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".