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) | Tyrosine-protein kinase BTK | polymer | 169 | 19983.0 | 4 | UniProt (Q06187) Pfam (PF00169) Pfam (PF00779) | Homo sapiens (human) | Agammaglobulinemia tyrosine kinase,ATK,B-cell progenitor kinase,BPK,Bruton tyrosine kinase |
| 2 | E, G, J (A, B, C) | (6S)-6-(2,6-dimethoxyphenyl)-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylic acid | non-polymer | 302.3 | 3 | Chemie (A1B6N) | Homo sapiens | ||
| 3 | F, H, K, M (A, B, C, D) | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) PubChem (32051) | |||
| 4 | I, L, N (B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) PubChem (888) | |||
| 5 | O, P, Q, R (A, B, C, D) | water | water | 18.0 | 169 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 79932.1 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 1241.5 | |
| All* | Total formula weight | 81173.6 |






