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) | Carbonic anhydrase 2 | polymer | 259 | 29157.9 | 4 | UniProt (P00918) Pfam (PF00194) | Homo sapiens (human) | Carbonate dehydratase II,Carbonic anhydrase C,CAC,Carbonic anhydrase II,CA-II |
| 2 | E, F, G, H (H, E, F, G) | Aromatic foldamer | polymer | 5 | 1218.3 | 4 | synthetic construct | ||
| 3 | AA, BA, CA, EA, FA... (C, D, A, B) | ZINC ION | non-polymer | 65.4 | 29 | Chemie (ZN) | |||
| 4 | DA (C) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 5 | MA, NA, OA, PA (H, E, F, G) | 4-sulfamoylbenzoic acid | non-polymer | 201.2 | 4 | Chemie (4SO) | |||
| 6 | QA, RA, SA, TA, UA... (A, B, C, D, H...) | water | water | 18.0 | 694 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 121504.6 | |
| Non-Polymers* | Number of molecules | 34 |
| Total formula weight | 2793.8 | |
| All* | Total formula weight | 124298.3 |






