Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Membrane protein | polymer | 180 | 19822.8 | 2 | UniProt (Q6NGJ3) Pfam (PF04213) | Corynebacterium diphtheriae NCTC 13129 | |
| 2 | C, J (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 3 | D, F, K, L, Q (A, B) | GLYCEROL | non-polymer | 92.1 | 5 | Chemie (GOL) | |||
| 4 | E, M, N (A, B) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 3 | Chemie (PEG) | |||
| 5 | G, H, O, P (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 4 | Chemie (EDO) | |||
| 6 | I, R (A, B) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 7 | S, T (A, B) | water | water | 18.0 | 224 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 39645.6 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 2452.2 | |
| All* | Total formula weight | 42097.8 |






