Characterization of an unusual lipoprotein similar to human lipoprotein a isolated from the baboon, Papio sp

David L. Rainwater, G. Scott Manis, Rampratap S. Kushwaha

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

An unusual lipoprotein was detected and purified from the blood of some members of a large colony of baboons, Papio sp. This lipoprotein was found to be similar to human lipoprotein a in all respects and is therefore termed lipoprotein a. Baboon lipoprotein a had a density of 1.052 g/ml and was located between low- and high-density lipoproteins in a density gradient ultracentrifugation. However, despite its greater density, baboon lipoprotein a was larger than low-density lipoprotein, based on gradient gel electrophoresis and gel filtration. The lipoprotein contained a very large apolipoprotein (apolipoprotein-lipoprotein a) which was found to consist of an apolipoprotein B linked to another protein called apolipoprotein a by a disulfide bridge(s). In all these characteristics, baboon lipoprotein a was similar to human lipoprotein a.

Original languageEnglish (US)
Pages (from-to)75-78
Number of pages4
JournalBiochimica et Biophysica Acta (BBA)/Lipids and Lipid Metabolism
Volume877
Issue number1
DOIs
StatePublished - Jun 11 1986
Externally publishedYes

Keywords

  • (Baboon)
  • Apolipoprotein a
  • Lipoprotein a

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Endocrinology

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