Literature DB >> 895404

Kinetics of a micelle specific palmitoyltransferase isoenzyme of rabbit mammary gland.

M Caffrey, J E Kinsella.   

Abstract

Palmityl-CoA: monopalmityl-sn-glycerol 3-phosphate palmitoyltransferase [EC 2.3.1. -] in rabbit mammary gland microsomes is composed of two isoenzymic species. The alpha form (LPAT-alpha) is active with monomeric substrates and inhibited by micelles while the beta form (LPAT-beta) is active only with micelles. By combining the effects of time, temperature, and Tween 80 which selectively inhibited LPAT-alpha, the substrate saturation curve for the LPAT-beta isoenzyme has been successfully determined. Both theoretical and experimental curves are in good agreement.

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Year:  1977        PMID: 895404     DOI: 10.1007/bf02533381

Source DB:  PubMed          Journal:  Lipids        ISSN: 0024-4201            Impact factor:   1.880


  10 in total

Review 1.  Solubilization of membranes by detergents.

Authors:  A Helenius; K Simons
Journal:  Biochim Biophys Acta       Date:  1975-03-25

2.  Isoenzymes of an acyl transferase from rabbit mammary gland: evidence from biphasic substrate saturation kinetics.

Authors:  M Caffrey; J P Infante; J E Kinsella
Journal:  FEBS Lett       Date:  1975-03-15       Impact factor: 4.124

3.  METABOLISM OF GLYCEROLIPIDS. VI. SPECIFICITIES OF ACYL COENZYME A: PHOSPHOLIPID ACYLTRANSFERASES.

Authors:  W E LANDS; P HART
Journal:  J Biol Chem       Date:  1965-05       Impact factor: 5.157

4.  Differences in properties of cytosol and membrane-derived protein kinases.

Authors:  I Uno; T Ueda; P Greenglad
Journal:  J Biol Chem       Date:  1976-04-10       Impact factor: 5.157

5.  Protein measurement with the Folin phenol reagent.

Authors:  O H LOWRY; N J ROSEBROUGH; A L FARR; R J RANDALL
Journal:  J Biol Chem       Date:  1951-11       Impact factor: 5.157

6.  Isoenzymes of an acyltransferase from rabbit mammary gland: solubilization of the micelle-specific species with Triton X-100.

Authors:  M Caffrey; J E Kinsella
Journal:  Biochem Biophys Res Commun       Date:  1976-07-26       Impact factor: 3.575

7.  Enzymatic action of sialidase of Vibrio cholerae on brain gangliosides above and below the critical micelle concentration.

Authors:  V Lipovac; G Bigalli; A Rosenberg
Journal:  J Biol Chem       Date:  1971-12-25       Impact factor: 5.157

8.  Growth and acyltransferase activity of rabbit mammary gland during pregnancy and lactation.

Authors:  M Caffrey; J E Kinsella
Journal:  J Lipid Res       Date:  1977-01       Impact factor: 5.922

9.  Determination of sulfhydryl groups with 2,2'- or 4,4'-dithiodipyridine.

Authors:  D R Grassetti; J F Murray
Journal:  Arch Biochem Biophys       Date:  1967-03       Impact factor: 4.013

10.  Rat liver mitochondrial monoamine oxidase. A change in the reaction mechanism on solubilization.

Authors:  M D Houslay; K F Tipton
Journal:  Biochem J       Date:  1975-02       Impact factor: 3.857

  10 in total

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