Difference between revisions of "PMID:14009486"

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==Main Points of the Paper ==
 
==Main Points of the Paper ==
 
{{LitSignificance}}
 
{{LitSignificance}}
 +
*Thiogalactoside transacetylase is identified
 +
*Characterization of the purified protein is also described
 +
**rate of formation of acetyl-IPTG as a function of time- reaction is linear
 +
**optimal pH is 7.0 in phosphate buffer, but 8.2 in Tris buffer
 +
**KM<4x10-5 M for acetyl-CoA
 +
**Butyryl-CoA was about 10% as effective as acetyl-CoA as donors
 +
**catalyzes the transfer of acetyl from acetyl-CoA to thiogalactosides
 +
**divalent cations are not required for the formation of acetyl-IPTG
 +
**activity is slightly inhibited by 0.001 M p-Chloromercuribenzoate (31% inhibition)
 +
**essentially all the activity present in the supernatant fraction
  
 
== Materials and Methods Used ==
 
== Materials and Methods Used ==

Revision as of 17:10, 17 September 2012

Citation

ZABIN, I , KEPES, A and MONOD, J (1962) Thiogalactoside transacetylase. J. Biol. Chem. 237:253-7

Abstract

No abstract in PubMed

Links

PubMed

Keywords

Transferases/chemistry

Main Points of the Paper

Please summarize the main points of the paper.

  • Thiogalactoside transacetylase is identified
  • Characterization of the purified protein is also described
    • rate of formation of acetyl-IPTG as a function of time- reaction is linear
    • optimal pH is 7.0 in phosphate buffer, but 8.2 in Tris buffer
    • KM<4x10-5 M for acetyl-CoA
    • Butyryl-CoA was about 10% as effective as acetyl-CoA as donors
    • catalyzes the transfer of acetyl from acetyl-CoA to thiogalactosides
    • divalent cations are not required for the formation of acetyl-IPTG
    • activity is slightly inhibited by 0.001 M p-Chloromercuribenzoate (31% inhibition)
    • essentially all the activity present in the supernatant fraction

Materials and Methods Used

Please list the materials and methods used in this paper (strains, plasmids, antibodies, etc).

Phenotype Annotations

See Help:AnnotationTable for details on how to edit this table.
<protect>

Phenotype of Taxon Information Genotype Information (if known) Condition Information OMP ID OMP Term Name ECO ID ECO Term Name Notes Status

</protect>

Notes

References

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