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| Genes | Shell layer | Regulation pattern(T/F/SDR) |
| PIF 177 | nacre | 0/+/+ |
| MSI60 | nacre | 0/−/− |
| Pearlin | nacre | −/0/0 |
| Linkine | nacre | −/0/0 |
| Nacrein | prism and nacre | −/0/0 |
| Shematrin 8 | prism and nacre | −/0/0 |
| Shematrin 9 | prism | 0/+/+ |
| MPN88 | prism | −/0/0 |
| Mantle protein 10 | prism | −/0/0 |
| KRMP7 | prism | 0/0/0 |
| Fibronectin1 | prism | −/0/0 |
