| 1U18 |
| HET ID | Chain ID |
Residue N | Number of atoms | Ligand name | |
|---|---|---|---|---|---|
| lig 1 |
| A
| 301 | 5 | PHOSPHATE ION |
| lig 2 |
| A
| 201 | 43 | PROTOPORPHYRIN IX CONTAINING FE |
| lig 3 |
| A
| 401 | 8 | HISTAMINE |
| lig 4 |
| B
| 302 | 5 | PHOSPHATE ION |
| lig 5 |
| B
| 201 | 43 | PROTOPORPHYRIN IX CONTAINING FE |
| lig 6 |
| B
| 402 | 8 | HISTAMINE |