| 2FRI |
| HET ID | Chain ID |
Residue N | Number of atoms | Ligand name | |
|---|---|---|---|---|---|
| lig 1 |
| X
| 159 | 3 | NITRITE ION |
| lig 2 |
| X
| 1157 | 5 | SULFATE ION |
| lig 3 |
| X
| 1158 | 5 | SULFATE ION |
| lig 4 |
| X
| 154 | 43 | PROTOPORPHYRIN IX CONTAINING FE |