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The human 1,25-dihydroxyvitamin D3 receptor (hVDR), like other members of the steroid/thyroid receptor superfamily, has been observed to undergo rapid phosphorylation. We report here that the hVDR is a substrate for casein kinase II (CK-II), a regulatory enzyme of significance in the function of nuclear proteins. Intact hVDRs produced by in vitro transcription/translation or in a baculovirus overexpression system served as efficient substrates for purified bovine CK-II, and the magnitude of this phosphorylation was not affected by the addition of 1,25-dihydroxyvitamin D3. CK-II-catalyzed phosphorylation of truncated hVDRs suggested that phosphorylated residues may occur between Arg121 and Asp232, including the region of hVDR which we have previously demonstrated to contain a major site(s) of phosphorylation in intact cells (Jones, B.B., Jurutka, P.W., Haussler, C.A., Haussler, M.R., and Whitfield, G.K. (1991) Mol. Endocrinol. 5, 1137-1146). Site-directed mutagenesis of serine/threonine residues in this region now reveals a site of phosphorylation at Ser208 contained within the sequence -S208 (P)EEDSDD-, a classic CK-II consensus recognition site. Mutation of this serine to a glycine drastically reduces phosphorylation of hVDR by CK-II, in vitro. The Ser208 mutant receptor also shows a dramatic decrease in [32P]orthophosphate incorporation when transfected into COS-7 cells. We therefore propose that phosphorylation of hVDR at Ser208 in target cells is mediated by casein kinase II or a similar enzyme, and that this quantitatively significant post-translational modification is a potential mechanism for the modulation of the activity of hVDR in controlling gene transcription.
References
- Science. 1988; 240: 889-895
- Cell. 1989; 56: 335-344
- Recent Prog. Horm. Res. 1988; 44: 263-305
- Endocr. Rev. 1992; 13: 105-128
- Science. 1990; 250: 1740-1743
- J. Biol. Chem. 1990; 265: 16548-16555
- J. Biol. Chem. 1991; 266: 7549-7555
- EMBO J. 1988; 7: 2425-2433
- Oncogene. 1989; 4: 1247-1254
- Biochem. Biophys. Res. Commun. 1985; 131: 378-385
- J. Biol. Chem. 1990; 265: 10025-10029
- Mol. Endocrinol. 1991; 5: 1137-1146
- Eur. J. Biochem. 1986; 160: 239-244
- Annu. Rev. Biochem. 1987; 56: 567-613
- EMBO J. 1985; 4: 2921-2926
- J. Biol. Chem. 1988; 263: 12653-12660
- J. Biol. Chem. 1981; 256: 3332-3339
- Biochemistry. 1982; 21: 3721-3728
- EMBO J. 1989; 8: 1111-1119
- Nature. 1990; 344: 517-522
- Cold Spring Harbor Symp. Quant. Biol. 1988; 53: 77-84
- Proc. Natl. Acad. Sci. U. S. A. 1988; 85: 3294-3298
- Biochem. Biophys. Res. Commun. 1990; 173: 1129-1136
- J. Biol. Chem. 1991; 266: 18808-18813
- Proc. Natl. Acad. Sci. U. S. A. 1987; 84: 354-358
- J. Biol. Chem. 1983; 258: 1289-1296
- J. Biol. Chem. 1990; 265: 7638-7644
- Methods Enzymol. 1987; 154: 367-382
- Nucleic Acids Res. 1988; 16: 369
- Cell. 1981; 23: 175-182
- Ausubel F.M. Brent R. Kingston R.E. Moore D.D. Siedman J.G. Smith J.A. Struhl K. Current Protocols in Molecular Biology. Greene Publishing and Wiley-Interscicncc, New York1990: 9.1.1-9.1.4
- Biochemistry. 1987; 26: 8332-8338
- Curr. Top. Cell. Regul. 1982; 21: 101-127
- Proc. Natl. Acad. Sci. U. S. A. 1979; 76: 5485-5489
- Norman A.W. Schaefer K. Grigoleit H.-G. von Herrath D. Vitamin D: Molecular, Cellular, and Clinical Endocrinology. Walter de Gruyter & Co., Berlin1988: 205-214
- Proc. Natl. Acad. Sci. U. S. A. 1988; 85: 9499-9502
- Cell. 1987; 49: 295-297
- Cell. 1990; 61: 735-738
- J. Virol. 1988; 62: 1814-1818
- Virology. 1988; 165: 13-22
- Cell. 1992; 70: 777-789
- Genes & Dev. 1992; 6: 166-176
- Proc. Natl. Acad. Sci. U. S. A. 1991; 88: 9315-9319
- Genes & Dev. 1990; 4: 1663-1676
- J. Biol. Chem. 1991; 266: 17430-17440
- Trends Biochem. Sci. 1990; 15: 378-383
- Cell. 1991; 65: 663-675
- J. Biol. Chem. 1991; 266: 20270-20275
- J. Biol. Chem. 1991; 266: 20380-20389
- Mol. Endocrinol. 1989; 3: 635-644
- Science. 1991; 254: 1636-1639
- Science. 1991; 252: 1546-1548
- J. Bone Miner. Res. 1992; 7 (abstr.): S108
- Norman A.W. Schaefer K. Grigoleit H.-G. von Herrath D. Vitamin D: Molecular, Cellular and Clinical Endocrinology. Walter de Gruyter & Co., Berlin1988: 215-224
- J. Biol. Chem. 1984; 259: 1167-1173
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Published online: March 25, 1993
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© 1993 ASBMB. Currently published by Elsevier Inc; originally published by American Society for Biochemistry and Molecular Biology.
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