Homo sapiens (human) : 4843
6 PDB structures
 PDB:3E7G 2.20 Å ZN HEM H4B AT2  |
 PDB:4NOS 2.25 Å ZN HEM H2B ITU H4B |
 PDB:3HR4 2.50 Å FMN CA |
 PDB:3EJ8 2.55 Å HEC H4B ZN IMD |
 PDB:1NSI 2.55 Å SO4 ZN HEM H4B ARG GOL |
 PDB:2NSI 3.00 Å SO4 HEM H4B ITU |