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Oxidation state of binuclear iron site in azidosemimethemerythrin |
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| Authors: | J Martinsen M J Irwin P S Ho B M Hoffman I M Klotz |
| Institution: | 1. Laboratoire de Pharmacodynamie, CNRS ERA 787 et INSERM U 243, Faculté de Pharmacie 67048 Strasbourg, France;2. Laboratoire de Chimie Organique, CNRS ERA 393, Faculté de Pharmacie 67048 Strasbourg, France;3. Laboratoire de Biologie et de Pharmacologie des Plaquettes, Centre de Transfusion Sanguine, 10 rue Spielmann, 67085 Strasbourg, France |
| Abstract: | Electron paramagnetic resonance spectra of azidosemimethemerythrin (from Phascolopsis gouldii) have been integrated to find the total number of spins per monomer unit. The value observed, 1.0 +/- 0.1 spins per Fe2 pair, confirms the assignment of a hybrid oxidation state, FeIIFeIII, to each site. |
| Keywords: | cAMP adenosine 3′ 5′-cyclic monophosphate cGMP guanosine 3′ 5′-cyclic monophosphate EGTA ethylene-glycol-2 (2-aminoethyl) tetraacetic acid Tris tris (hydroxymethyl)-aminomethane DMSO dimethylsulfoxyde ZK 62 711 4-(3-cyclopentyloxy-4-methoxyphenyl)-2 pyrrolidone Ro 20-1724 4-(3-butoxy-4 methoxybenzyl)-2-imidazolinone M+B 22 948 2-0-propionylphenyl-8-azapurin-6 one IBMX 3 - isobutyl-1-methylxanthine AAL 05 N-cyclohexyl-N-methyl-4-(1 2-dihydro-2-oxo-6-qui-nolyloxy) valeramide cilostamide N-cyclohexyl-N-methyl-4-(1 2-dihydro-2-oxo-6-quinolyloxy) butyramide |
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