| PSG | Posterior silk gland |
| MSG | Middle silk gland |
| ASG | Anterior silk gland |
| CA | Carbonic anhydrase |
| Cryo-SEM-EDAX | Cryo scanning electron microscope energy dispersive X-ray |
| NT | N-terminal domain |
| CT | C-terminal domain |
| FibNT | Heavy chain fibroin N-terminal domain |
| FibCT | Heavy chain fibroin C-terminal domain |
| MaSp | Major ampullate spidroin |
| SpNT | Spidroin N-terminal domain |
| SpCT | Spidroin C-terminal domain |
| SpRep | Spidroin repetitive region |
| FibRep | Heavy chain fibroin repetitive region |
| PTM | Post-translational modification |
| NMR | Nuclear magnetic resonance |
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