4NTX
Structure of acid-sensing ion channel in complex with snake toxin and amiloride
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Acid-sensing ion channel 1 | polymer | 450 | 51327.4 | 1 | UniProt (Q1XA76) Pfam (PF00858) | Gallus gallus (bantam chickens) | ASIC1, Amiloride-sensitive cation channel 2, neuronal |
| 2 | B (B) | Neurotoxin MitTx-alpha | polymer | 60 | 7118.0 | 1 | UniProt (G9I929) Pfam (PF00014) | Micrurus tener tener (Texas coral snake) | |
| 3 | C (C) | Basic phospholipase A2 homolog Tx-beta | polymer | 119 | 13767.6 | 1 | UniProt (G9I930) Pfam (PF00068) | Micrurus tener tener (Texas coral snake) | svPLA2 homolog, MitTx-beta |
| 4 | D, E (A) | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 2 | Chemie (NAG) | |||
| 5 | F (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 6 | G, H, M (A, C) | SODIUM ION | non-polymer | 23.0 | 3 | Chemie (NA) | |||
| 7 | I (A) | HEXAETHYLENE GLYCOL | non-polymer | 282.3 | 1 | Chemie (P6G) | |||
| 8 | J, K, L (A) | 3,5-DIAMINO-N-(AMINOIMINOMETHYL)-6-CHLOROPYRAZINECARBOXAMIDE | non-polymer | 229.6 | 3 | Chemie (AMR) | |||
| 9 | N, O, P (A, B, C) | water | water | 18.0 | 180 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 72213.0 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 1518.1 | |
| All* | Total formula weight | 73731.0 |
