Expression of human poly(ADP-ribose) polymerase with DNA-dependent enzymatic activity in Escherichia coli

Biochem Biophys Res Commun. 1989 Sep 15;163(2):739-45. doi: 10.1016/0006-291x(89)92285-7.

Abstract

A cDNA for human poly(ADP-ribose) polymerase was inserted into a plasmid, transfected and expressed in E. coli. A lysate of the E. coli cells containing the expression plasmid reacted with antibody against human poly(ADP-ribose) polymerase and synthesized poly(ADP-ribose). The partially purified poly(ADP-ribose) polymerase expressed in E. coli had the same molecular weight and enzymological properties as human placental poly(ADP-ribose) polymerase, including affinity for NAD, turnover number and DNA-dependency for activity. This expression system should be useful for structure-function analysis of poly(ADP-ribose) polymerase.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Blotting, Western
  • DNA / genetics
  • Electrophoresis, Polyacrylamide Gel
  • Escherichia coli / enzymology*
  • Gene Expression Regulation*
  • Humans
  • NAD / metabolism
  • Poly(ADP-ribose) Polymerases / genetics*
  • Transfection

Substances

  • NAD
  • DNA
  • Poly(ADP-ribose) Polymerases