Literature DB >> 962862

An explanation of apparent sudden change in the activation energy of membrane enzymes.

A T Wynn-Williams.   

Abstract

If an enzyme-lipid mixture forms phases of pure lipid and enzyme-lipid solution, and enzyme activity depends on the composition of the enzyme-lipid solution, the temperature-dependence of lipid solubility in the enzyme-lipid solution leads to apparent sudden changes in enzyme activation energy without activity discontinuities at lipid phase transition temperatures.

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Year:  1976        PMID： 962862      PMCID： PMC1163845          DOI： 10.1042/bj1570279

Source DB:  PubMed          Journal:  Biochem J        ISSN： 0264-6021            Impact factor:   3.857


  18 in total

1.  Chemically induced lipid phase separation in model membranes containing charged lipids: a spin label study.

Authors:  H J Galla; E Sackmann
Journal:  Biochim Biophys Acta       Date:  1975-09-02

2.  Phase transitions in cells, membranes, and lipids of Escherichia coli. Detection by fluorescent probes, light scattering, and dilatometry.

Authors:  P Overath; H Träuble
Journal:  Biochemistry       Date:  1973-07-03       Impact factor: 3.162

3.  Relations between structure and function in cytoplasmic membrane vesicles isolated from an Escherichia coli fatty-acid auxotroph. High-angle x-ray diffraction, freeze-etch electron microscopy and transport studies.

Authors:  E Shechter; L Letellier; G Gulik-Krzywicki
Journal:  Eur J Biochem       Date:  1974-11-01

4.  Lateral phase separations in Escherichia coli membranes.

Authors:  W Kleemann; H M McConnell
Journal:  Biochim Biophys Acta       Date:  1974-04-29

5.  Reconstitution of a calcium pump using defined membrane components.

Authors:  G B Warren; P A Toon; N J Birdsall; A G Lee; J C Metcalfe
Journal:  Proc Natl Acad Sci U S A       Date:  1974-03       Impact factor: 11.205

6.  The role of lipid-phase transitions in the regulation of the (sodium + potassium) adenosine triphosphatase.

Authors:  C M Grisham; R E Barnett
Journal:  Biochemistry       Date:  1973-07-03       Impact factor: 3.162

7.  Reversible lipid titrations of the activity of pure adenosine triphosphatase-lipid complexes.

Authors:  G B Warren; P A Toon; N J Birdsall; A G Lee; J C Metcalfe
Journal:  Biochemistry       Date:  1974-12-31       Impact factor: 3.162

8.  Effects of proteins on thermotropic phase transitions of phospholipid membranes.

Authors:  D Papahadjopoulos; M Moscarello; E H Eylar; T Isac
Journal:  Biochim Biophys Acta       Date:  1975-09-02

9.  Glycophorin in lipid bilayers.

Authors:  C W Grant; H M McConnell
Journal:  Proc Natl Acad Sci U S A       Date:  1974-12       Impact factor: 11.205

10.  Lateral phase separations in membrane lipids and the mechanism of sugar transport in Escherichia coli.

Authors:  C D Linden; K L Wright; H M McConnell; C F Fox
Journal:  Proc Natl Acad Sci U S A       Date:  1973-08       Impact factor: 11.205
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  1 in total

1.  Membrane-mediated control of hepatic beta-hydroxy-beta-methylglutaryl-coenzyme A reductase.

Authors:  A B Sipat; J R Sabine
Journal:  Biochem J       Date:  1981-03-15       Impact factor: 3.857
  1 in total

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