Protein O-linked-mannose beta-1,4-N-acetylglucosaminyltransferase 2 (POMGNT2) is a 580-residue protein from Bos taurus. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q5NDF2.
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The mean pLDDT of this model is 92.4 (very high overall). pLDDT is AlphaFold's per-residue confidence score from 0 to 100. In MolViewer, choose the B-factor color scheme to color the model by pLDDT, because AlphaFold stores it in the B-factor column.
| pLDDT band | Meaning | Share of residues |
|---|---|---|
| Above 90 | Very high: backbone and side chains are usually accurate | 84% |
| 70 to 90 | Confident: backbone generally right | 11% |
| 50 to 70 | Low: treat with caution | 4% |
| Below 50 | Very low: often disordered regions | 2% |
What pLDDT means and how to read it
O-linked mannose beta-1,4-N-acetylglucosaminyltransferase that transfers UDP-N-acetyl-D-glucosamine to the 4-position of the mannose to generate N-acetyl-D-glucosamine-beta-1,4-O-D-mannosylprotein. Involved in the biosynthesis of the phosphorylated O-mannosyl trisaccharide (N-acetylgalactosamine-beta-3-N-acetylglucosamine-beta-4-(phosphate-6-)mannose), a carbohydrate structure present in alpha-dystroglycan (DAG1), which is required for binding laminin G-like domain-containing extracellular proteins with high affinity (By similarity)
Endoplasmic reticulum membrane
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 7E9K | X-ray | 2.05 Å | A/B/D/E=45-580 |
| 7E9L | X-ray | 2.1 Å | A/B=45-580 |
| 7E9J | X-ray | 2.4 Å | A/B=45-580 |
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