Literature DB >> 1236140

Analysis of the peptide composition of purified beef-heart complex III by dodecylsulfate electrophoresis.

P Gellerfors, B D Nelson.   

Abstract

The peptides of purified complex III from beef heart mitochondria have been studied by electrophoresis on dodecylsulfate gels. Of the 12 peptides consistently observed, only eight appear to be integral peptides of the functional complex. Attempts to identify these peptides have been made through co-electrophoresis of complex III and fractions in which the individual peptides were either purified or greatly enriched. Electrophoresis of complex III preparations which were not reduced by mercaptoethanol indicates that intermolecular disulfide bonds play no significant role in stabilizing the complex.

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Year:  1975        PMID: 1236140     DOI: 10.1111/j.1432-1033.1975.tb04011.x

Source DB:  PubMed          Journal:  Eur J Biochem        ISSN: 0014-2956


  6 in total

1.  The structure and subunit composition of the particulate NADH-ubiquinone reductase of bovine heart mitochondria.

Authors:  C I Ragan
Journal:  Biochem J       Date:  1976-02-15       Impact factor: 3.857

2.  Resolution of complex III of the mitochondrial electron transfer chain into two component complexes.

Authors:  M Fry; D E Green
Journal:  Proc Natl Acad Sci U S A       Date:  1978-11       Impact factor: 11.205

3.  Studies on beef heart ubiquinol-cytochrome c reductase. Topological studies on the core proteins using proteolytic digestion and immunoreplication.

Authors:  I Mendel-Hartvig; B D Nelson
Journal:  J Bioenerg Biomembr       Date:  1983-02       Impact factor: 2.945

4.  Identification of the polypeptides in the cytochrome b6/f complex from spinach chloroplasts with redox-center-carrying subunits.

Authors:  E Hurt; G Hauska
Journal:  J Bioenerg Biomembr       Date:  1982-12       Impact factor: 2.945

5.  Identification of the subunits of bovine heart mitochondrial NADH dehydrogenase that are exposed to the phospholipid bilayer by photo-labelling with 5-iodonaphth-1-yl azide.

Authors:  F G Earley; C I Ragan
Journal:  Biochem J       Date:  1980-11-01       Impact factor: 3.857

6.  Comparative study of the peptide composition of Complex III (quinol-cytochrome c reductase).

Authors:  I Mendel-Hartvig; B D Nelson
Journal:  J Bioenerg Biomembr       Date:  1983-10       Impact factor: 2.945

  6 in total

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