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) | cAMP-specific 3',5'-cyclic phosphodiesterase 4D | polymer | 334 | 38506.7 | 4 | UniProt (Q08499) Pfam (PF00233) | Homo sapiens (human) | DPDE3, PDE43 |
| 2 | E, H, K, N (A, B, C, D) | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | |||
| 3 | F, I, L, O (A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 4 | G, J, M, P (A, B, C, D) | 3-ISOBUTYL-1-METHYLXANTHINE | non-polymer | 222.2 | 4 | Chemie (IBM) | |||
| 5 | Q, R, S, T (A, B, C, D) | water | water | 18.0 | 189 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 154026.9 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 1247.8 | |
| All* | Total formula weight | 155274.7 |
