• Title/Summary/Keyword: Aminoalcoholphosphotransferase

Search Result 2, Processing Time 0.017 seconds

Cloning and Expression of a cDNA AAPT3 Encoding Aminoalcoholphosphotransferase Isoform from Chinese Cabbage

  • Kim, Kwang-Soo;Park, Jong-Ho;Cho, Sung-Ho
    • Animal cells and systems
    • /
    • v.8 no.2
    • /
    • pp.105-109
    • /
    • 2004
  • Aminoalcoholphosphotransferase catalyzes the synthesis of phosphatidylcholine and phosphatidylethanolamine from diacylglycerol plus a CDP-aminoalcohol such as CDP-choline or CDP-ethanolamine. Previously we suggested the presence of possible isoforms of this enzyme from Chinese cabbage roots and now report the cDNA cloning and expression analysis of AAPT3 encoding a third isoform of aminoalcoholphosphotransferase (AAPT3). AAPT3 contains an open reading frame of 1,176 bp coding for a protein of 392 amino acids. It shares 96 and 95% identity with Chinese cabbage AAPT1 and AAPT2, respectively, at the deduced amino acid level. The results from reverse transcriptase-polymerase chain reaction analysis indicate that expression of AAPT3 is up-regulated by low temperature as well as AAPT1 and AAPT2.