Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | TtpB1 | polymer | 399 | 44329.3 | 1 | Escherichia coli | ||
| 2 | B, C (A) | (3~{S},6~{S})-3,6-bis[(6-chloranyl-1~{H}-indol-3-yl)methyl]piperazine-2,5-dione | non-polymer | 441.3 | 2 | Chemie (A1EUF) | |||
| 3 | D (A) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
| 4 | E (A) | water | water | 18.0 | 36 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 44329.3 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 1499.1 | |
| All* | Total formula weight | 45828.4 |






