3LRD
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 | 14181.7 | 2 | UniProt (Q05H60) Pfam (PF16763) | Euprosthenops australis | |
| 2 | C, D (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 2 | Chemie (EDO) | |||
| 3 | E (B) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 1 | Chemie (PGE) | |||
| 4 | F, G (A, B) | water | water | 18.0 | 55 | 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 |
| Asn 40 | Asp 59 | engineered mutation |
| Gln 84 | Glu 103 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 28363.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 274.3 | |
| All* | Total formula weight | 28637.8 |
