3LR8
Self-assembly of spider silk proteins is controlled by a pH-sensitive relay
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Major ampullate spidroin 1 | polymer | 137 | 14182.7 | 2 | UniProt (Q05H60) Pfam (PF16763) | Euprosthenops australis | |
| 2 | C, D, F, G (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 4 | Chemie (EDO) | |||
| 3 | E, H (A, B) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 2 | Chemie (PEG) | |||
| 4 | I, J (B) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 2 | Chemie (PGE) | |||
| 5 | K, L (A, B) | water | water | 18.0 | 97 | Chemie (HOH) |
Sequence modifications
A, B: 5 - 137 (UniProt: Q05H60)
| PDB | External Database | Details |
|---|---|---|
| Gly 1 | - | expression tag |
| Ser 2 | - | expression tag |
| Gly 3 | - | expression tag |
| Asn 4 | - | expression tag |
| Gln 79 | Glu 98 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 28365.5 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 760.9 | |
| All* | Total formula weight | 29126.3 |
