. . . . . . . . "Iron (heme axial ligand)" . "443"^^ . . "443"^^ . . "A metal ion-binding site occurs in NX_Q9HB55-2 at amino acids 443 - 443." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "1" . . .