. . . . . . . . "Iron (heme axial ligand)" . "424"^^ . . "424"^^ . . "A metal ion-binding site occurs in NX_Q9NR63-3 at amino acids 424 - 424." . . . . . "neXtProt gold" . . . . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "1" . . .