loop_ _pdbx_nonpoly_atom_feature.ordinal _pdbx_nonpoly_atom_feature.comp_id _pdbx_nonpoly_atom_feature.atom_id _pdbx_nonpoly_atom_feature.label_asym_id _pdbx_nonpoly_atom_feature.type _pdbx_nonpoly_atom_feature.value _pdbx_nonpoly_atom_feature.provenance 1 VO4 V D 'Oxidation state' 5 Author