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    Mol Cell Endocrinol. 1994 Feb;99(1):R11-5.

    Cloning and expression of cDNA encoding human placental estrogen sulfotransferase.

    Source

    Medical Research Council Group in Molecular Endocrinology, CHUL Research Center, Quebec, Canada.

    Abstract

    Using two oligoprimers derived from the bovine placental estrogen sulfotransferase sequence, we amplified a probe for human placental estrogen sulfotransferase. Using this probe to screen a human placental cDNA library constructed in lambda gt11, we isolated a cDNA clone of 1.3 kb encoding human estrogen sulfotransferase. DNA analysis predicts a protein of 295 amino acids with a calculated molecular weight of 34,199. Alignment of the amino acid sequence with other sulfotransferases indicates that human placental estrogen sulfotransferase shares 68.6, 68.2 and 65.9% similarity with bovine placental, guinea pig adrenocortical, and rat liver estrogen sulfotransferase, respectively. It shows also 95.6, 57.6, 85.3, and 54.2% similarity to human phenol, human DHEA, rat phenol, and rat hydroxysteroid sulfotransferase, respectively. Transfection of expression vectors encoding human estrogen sulfotransferase and dehydroepiandrosterone (DHEA) sulfotransferase in human adrenal adenocarcinoma SW-13 cells indicates that estrogen sulfotransferase transforms estrone more specifically, whereas DHEA sulfotransferase is more specific for DHEA and pregnenolone.

    PMID:
    8187949
    [PubMed - indexed for MEDLINE]

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