Research Article
Reversible Dissociation and Ligand-Glutathione Exchange Reaction in Binuclear Cationic Tetranitrosyl Iron Complex with Penicillamine
Table 3
The results of mass spectrometry (Figure
9).
| | Ion mass singly charged, m/z | Ion type | Formula for M, subunit or sequence | Origin and other comments |
| | 308 | [M + H]+ | GSH | Glutathione, C10O6N3SH17 | | 477 | [M − GSH − 2NO + H]+ |
[Fe2(GSH)2(NO)4] | Decomposition of (II) | | 538 | [M − GSH + H]+ | [Fe2(GSH)2(NO)4] | Decomposition of (II) | | 613 | [M + H]+ | GS-SG | Oxidized form of glutathione | | 845 | [M + H]+ | [Fe2(GSH)2(NO)4] | Cation of (II) | | 867 | [M + Na]+ | [Fe2(GSH)2(NO)4] | Cation of (II)-Na+ |
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(II) is the complex [Fe2(SC10H17N3O6)2(NO)4]SO4·2H2O.
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