An anionic impurity in preparations of cytochrome c interferes with assays of cationic catalysts of the dismutation of the superoxide anion radical

Analytical Biochemistry

Volumn 275, Issue 2, 1999, Pages 267-

  Batinic Haberle, I ^a   Benov, L ^a   Fridovich, I ^a  

^a DUKE UNIVERSITY MEDICAL CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIOCHEMISTRY;

ANIONIC IMPURITIES; CATIONIC CATALYSTS; CYTOCHROME C; DISMUTATION; SUPEROXIDE ANION RADICALS;

CHEMISTRY;

ANION; CATION; CYTOCHROME C; SUPEROXIDE;

ANALYTIC METHOD; CATALYSIS; ENZYME ASSAY; NOTE; PRECIPITATION; PRIORITY JOURNAL; PURIFICATION;

EID: 0033571412     PISSN: 00032697     EISSN: None     Source Type: Journal    
DOI: 10.1006/abio.1999.4318     Document Type: Article

References (4)

1. J.M. McCord I. Fridovich Superoxide dismutase—An enzymic function for erythrocuprein (hemocuprein) J. Biol. Chem. 244 1969 6049 6055
2. I. Batinic-Haberle I. Spasojevic P. Hambright L. Benov A.L. Crumbliss I. Fridovich The relationship between redox potentials, proton dissociation constants of pyrrolic nitrogens and in vivo and in vitro superoxide dismutase activities of manganese(III) and iron(III) cationic and anionic porphyrins Inorg. Chem. 38 1999 4011 4022
3. Y. Lee A. Hunt J.T. Groves Mechanisms of iron porphyrin reactions with peroxynitrite J. Am. Chem. Soc. 120 1998 7493 7501
4. I. Batinic-Haberle L. Benov I. Spasojevic I. Fridovich The ortho effect makes manganese(III) meso-tetrakis (N-methyl-pyridinium-2-yl) porphyrin a powerful and potentially useful superoxide dismutase mimic J. Biol. Chem. 273 1998 24521 24528