9PN4
Crystal structure of a three finger toxin from snake venom
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Neurotoxin Oh9-1 | polymer | 58 | 6674.0 | 4 | UniProt (P83302) | Ophiophagus hannah (king cobra) | OMEGA-neurotoxin Oh9-1,Three-finger toxin,3FTx |
| 2 | E, F, K, L, M... (A, B, C, D) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 11 | Chemie (EDO) | |||
| 3 | G, H, I, J, P... (A, B, C) | SULFATE ION | non-polymer | 96.1 | 7 | Chemie (SO4) | |||
| 4 | W (C) | water | water | 18.0 | 1 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 2 - 58 (UniProt: P83302)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | initiating methionine |
| Tyr 5 | His 4 | engineered mutation |
| Gln 6 | Arg 5 | engineered mutation |
| Lys 7 | Val 6 | engineered mutation |
| Ser 8 | His 7 | engineered mutation |
| Lys 9 | Gly 8 | engineered mutation |
| Val 10 | Leu 9 | engineered mutation |
| Val 11 | Gln 10 | engineered mutation |
| Gln 14 | Glu 13 | engineered mutation |
| Glu 16 | Asp 15 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 26695.9 | |
| Non-Polymers* | Number of molecules | 18 |
| Total formula weight | 1355.2 | |
| All* | Total formula weight | 28051.1 |
