3ctb

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m (Protected "3ctb" [edit=sysop:move=sysop])
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[[Image:3ctb.png|left|200px]]
 
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{{STRUCTURE_3ctb| PDB=3ctb | SCENE= }}
{{STRUCTURE_3ctb| PDB=3ctb | SCENE= }}
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===Tethered PXR-LBD/SRC-1p apoprotein===
===Tethered PXR-LBD/SRC-1p apoprotein===
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{{ABSTRACT_PUBMED_18456871}}
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{{ABSTRACT_PUBMED_18456871}}
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==Function==
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[[http://www.uniprot.org/uniprot/NR1I2_HUMAN NR1I2_HUMAN]] Nuclear receptor that binds and is activated by variety of endogenous and xenobiotic compounds. Transcription factor that activates the transcription of multiple genes involved in the metabolism and secretion of potentially harmful xenobiotics, drugs and endogenous compounds. Activated by the antibiotic rifampicin and various plant metabolites, such as hyperforin, guggulipid, colupulone, and isoflavones. Response to specific ligands is species-specific. Activated by naturally occurring steroids, such as pregnenolone and progesterone. Binds to a response element in the promoters of the CYP3A4 and ABCB1/MDR1 genes.<ref>PMID:9727070</ref><ref>PMID:11668216</ref><ref>PMID:11297522</ref><ref>PMID:19297428</ref><ref>PMID:12578355</ref><ref>PMID:18768384</ref>
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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<ref group="xtra">PMID:018456871</ref><references group="xtra"/>
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<ref group="xtra">PMID:018456871</ref><references group="xtra"/><references/>
[[Category: Histone acetyltransferase]]
[[Category: Histone acetyltransferase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]

Revision as of 07:14, 25 March 2013

Template:STRUCTURE 3ctb

Contents

Tethered PXR-LBD/SRC-1p apoprotein

Template:ABSTRACT PUBMED 18456871

Function

[NR1I2_HUMAN] Nuclear receptor that binds and is activated by variety of endogenous and xenobiotic compounds. Transcription factor that activates the transcription of multiple genes involved in the metabolism and secretion of potentially harmful xenobiotics, drugs and endogenous compounds. Activated by the antibiotic rifampicin and various plant metabolites, such as hyperforin, guggulipid, colupulone, and isoflavones. Response to specific ligands is species-specific. Activated by naturally occurring steroids, such as pregnenolone and progesterone. Binds to a response element in the promoters of the CYP3A4 and ABCB1/MDR1 genes.[1][2][3][4][5][6]

About this Structure

3ctb is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Wang W, Prosise WW, Chen J, Taremi SS, Le HV, Madison V, Cui X, Thomas A, Cheng KC, Lesburg CA. Construction and characterization of a fully active PXR/SRC-1 tethered protein with increased stability. Protein Eng Des Sel. 2008 Jul;21(7):425-33. Epub 2008 May 2. PMID:18456871 doi:10.1093/protein/gzn017
  1. ↑ Lehmann JM, McKee DD, Watson MA, Willson TM, Moore JT, Kliewer SA. The human orphan nuclear receptor PXR is activated by compounds that regulate CYP3A4 gene expression and cause drug interactions. J Clin Invest. 1998 Sep 1;102(5):1016-23. PMID:9727070 doi:10.1172/JCI3703
  2. ↑ Zhang J, Kuehl P, Green ED, Touchman JW, Watkins PB, Daly A, Hall SD, Maurel P, Relling M, Brimer C, Yasuda K, Wrighton SA, Hancock M, Kim RB, Strom S, Thummel K, Russell CG, Hudson JR Jr, Schuetz EG, Boguski MS. The human pregnane X receptor: genomic structure and identification and functional characterization of natural allelic variants. Pharmacogenetics. 2001 Oct;11(7):555-72. PMID:11668216
  3. ↑ Geick A, Eichelbaum M, Burk O. Nuclear receptor response elements mediate induction of intestinal MDR1 by rifampin. J Biol Chem. 2001 May 4;276(18):14581-7. Epub 2001 Jan 31. PMID:11297522 doi:10.1074/jbc.M010173200
  4. ↑ Li Y, Ross-Viola JS, Shay NF, Moore DD, Ricketts ML. Human CYP3A4 and murine Cyp3A11 are regulated by equol and genistein via the pregnane X receptor in a species-specific manner. J Nutr. 2009 May;139(5):898-904. doi: 10.3945/jn.108.103572. Epub 2009 Mar 18. PMID:19297428 doi:10.3945/jn.108.103572
  5. ↑ Watkins RE, Maglich JM, Moore LB, Wisely GB, Noble SM, Davis-Searles PR, Lambert MH, Kliewer SA, Redinbo MR. 2.1 A crystal structure of human PXR in complex with the St. John's wort compound hyperforin. Biochemistry. 2003 Feb 18;42(6):1430-8. PMID:12578355 doi:10.1021/bi0268753
  6. ↑ Teotico DG, Bischof JJ, Peng L, Kliewer SA, Redinbo MR. Structural basis of human pregnane X receptor activation by the hops constituent colupulone. Mol Pharmacol. 2008 Dec;74(6):1512-20. doi: 10.1124/mol.108.050732. Epub 2008 Sep, 2. PMID:18768384 doi:10.1124/mol.108.050732

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