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Showing Protein Nuclear receptor subfamily 1 group I member 2 (HMDBP02048)

IdentificationBiological propertiesGene propertiesProtein propertiesExternal linksReferencesXMLShow 8 metabolites
Identification
HMDB Protein ID HMDBP02048
Secondary Accession Numbers
  • 7527
Name Nuclear receptor subfamily 1 group I member 2
Synonyms
  1. Orphan nuclear receptor PAR1
  2. Orphan nuclear receptor PXR
  3. Pregnane X receptor
  4. SXR
  5. Steroid and xenobiotic receptor
Gene Name NR1I2
Protein Type Enzyme
Biological Properties
General Function Involved in sequence-specific DNA binding transcription factor activity
Specific Function 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
Pathways Not Available
Reactions Not Available
GO Classification
Component
organelle
membrane-bounded organelle
intracellular membrane-bounded organelle
nucleus
Function
ion binding
cation binding
metal ion binding
binding
transition metal ion binding
zinc ion binding
receptor activity
molecular transducer activity
signal transducer activity
nucleic acid binding
dna binding
sequence-specific dna binding
ligand-dependent nuclear receptor activity
steroid hormone receptor activity
sequence-specific dna binding transcription factor activity
Process
biological regulation
regulation of biological process
regulation of metabolic process
regulation of macromolecule metabolic process
regulation of gene expression
regulation of transcription
regulation of transcription, dna-dependent
Cellular Location
  1. Nucleus
Gene Properties
Chromosome Location Chromosome:3
Locus 3q12-q13.3
SNPs NR1I2
Gene Sequence 
>1305 bp
CTGGAGGTGAGACCCAAAGAAAGCTGGAACCATGCTGACTTTGTACACTGTGAGGACACA
GAGTCTGTTCCTGGAAAGCCCAGTGTCAACGCAGATGAGGAAGTCGGAGGTCCCCAAATC
TGCCGTGTATGTGGGGACAAGGCCACTGGCTATCACTTCAATGTCATGACATGTGAAGGA
TGCAAGGGCTTTTTCAGGAGGGCCATGAAACGCAACGCCCGGCTGAGGTGCCCCTTCCGG
AAGGGCGCCTGCGAGATCACCCGGAAGACCCGGCGACAGTGCCAGGCCTGCCGCCTGCGC
AAGTGCCTGGAGAGCGGCATGAAGAAGGAGATGATCATGTCCGACGAGGCCGTGGAGGAG
AGGCGGGCCTTGATCAAGCGGAAGAAAAGTGAACGGACAGGGACTCAGCCACTGGGAGTG
CAGGGGCTGACAGAGGAGCAGCGGATGATGATCAGGGAGCTGATGGACGCTCAGATGAAA
ACCTTTGACACTACCTTCTCCCATTTCAAGAATTTCCGGCTGCCAGGGGTGCTTAGCAGT
GGCTGCGAGTTGCCAGAGTCTCTGCAGGCCCCATCGAGGGAAGAAGCTGCCAAGTGGAGC
CAGGTCCGGAAAGATCTGTGCTCTTTGAAGGTCTCTCTGCAGCTGCGGGGGGAGGATGGC
AGTGTCTGGAACTACAAACCCCCAGCCGACAGTGGCGGGAAAGAGATCTTCTCCCTGCTG
CCCCACATGGCTGACATGTCAACCTACATGTTCAAAGGCATCATCAGCTTTGCCAAAGTC
ATCTCCTACTTCAGGGACTTGCCCATCGAGGACCAGATCTCCCTGCTGAAGGGGGCCGCT
TTCGAGCTGTGTCAACTGAGATTCAACACAGTGTTCAACGCGGAGACTGGAACCTGGGAG
TGTGGCCGGCTGTCCTACTGCTTGGAAGACACTGCAGGTGGCTTCCAGCAACTTCTACTG
GAGCCCATGCTGAAATTCCACTACATGCTGAAGAAGCTGCAGCTGCATGAGGAGGAGTAT
GTGCTGATGCAGGCCATCTCCCTCTTCTCCCCAGACCGCCCAGGTGTGCTGCAGCACCGC
GTGGTGGACCAGCTGCAGGAGCAATTCGCCATTACTCTGAAGTCCTACATTGAATGCAAT
CGGCCCCAGCCTGCTCATAGGTTCTTGTTCCTGAAGATCATGGCTATGCTCACCGAGCTC
CGCAGCATCAATGCTCAGCACACCCAGCGGCTGCTGCGCATCCAGGACATACACCCCTTT
GCTACGCCCCTCATGCAGGAGTTGTTCGGTATCACAGGTAGCTGA
Protein Properties
Number of Residues 434
Molecular Weight 49761.2
Theoretical pI 8.44
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • None
Protein Sequence 
>Nuclear receptor subfamily 1 group I member 2
MEVRPKESWNHADFVHCEDTESVPGKPSVNADEEVGGPQICRVCGDKATGYHFNVMTCEG
CKGFFRRAMKRNARLRCPFRKGACEITRKTRRQCQACRLRKCLESGMKKEMIMSDEAVEE
RRALIKRKKSERTGTQPLGVQGLTEEQRMMIRELMDAQMKTFDTTFSHFKNFRLPGVLSS
GCELPESLQAPSREEAAKWSQVRKDLCSLKVSLQLRGEDGSVWNYKPPADSGGKEIFSLL
PHMADMSTYMFKGIISFAKVISYFRDLPIEDQISLLKGAAFELCQLRFNTVFNAETGTWE
CGRLSYCLEDTAGGFQQLLLEPMLKFHYMLKKLQLHEEEYVLMQAISLFSPDRPGVLQHR
VVDQLQEQFAITLKSYIECNRPQPAHRFLFLKIMAMLTELRSINAQHTQRLLRIQDIHPF
ATPLMQELFGITGS
GenBank ID Protein 21103960
UniProtKB/Swiss-Prot ID O75469
UniProtKB/Swiss-Prot Entry Name NR1I2_HUMAN
PDB IDs
GenBank Gene ID AY091855
GeneCard ID NR1I2
GenAtlas ID NR1I2
HGNC ID HGNC:7968
References
General References
  1. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  2. Blumberg B, Sabbagh W Jr, Juguilon H, Bolado J Jr, van Meter CM, Ong ES, Evans RM: SXR, a novel steroid and xenobiotic-sensing nuclear receptor. Genes Dev. 1998 Oct 15;12(20):3195-205. [PubMed:9784494 ]
  3. 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. [PubMed:9727070 ]
  4. Bertilsson G, Heidrich J, Svensson K, Asman M, Jendeberg L, Sydow-Backman M, Ohlsson R, Postlind H, Blomquist P, Berkenstam A: Identification of a human nuclear receptor defines a new signaling pathway for CYP3A induction. Proc Natl Acad Sci U S A. 1998 Oct 13;95(21):12208-13. [PubMed:9770465 ]
  5. 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. [PubMed:11668216 ]
  6. 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. [PubMed:11297522 ]
  7. Kawana K, Ikuta T, Kobayashi Y, Gotoh O, Takeda K, Kawajiri K: Molecular mechanism of nuclear translocation of an orphan nuclear receptor, SXR. Mol Pharmacol. 2003 Mar;63(3):524-31. [PubMed:12606758 ]
  8. 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. [PubMed:19297428 ]
  9. Watkins RE, Wisely GB, Moore LB, Collins JL, Lambert MH, Williams SP, Willson TM, Kliewer SA, Redinbo MR: The human nuclear xenobiotic receptor PXR: structural determinants of directed promiscuity. Science. 2001 Jun 22;292(5525):2329-33. Epub 2001 Jun 14. [PubMed:11408620 ]
  10. 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. [PubMed:12578355 ]
  11. Watkins RE, Davis-Searles PR, Lambert MH, Redinbo MR: Coactivator binding promotes the specific interaction between ligand and the pregnane X receptor. J Mol Biol. 2003 Aug 22;331(4):815-28. [PubMed:12909012 ]
  12. Chrencik JE, Orans J, Moore LB, Xue Y, Peng L, Collins JL, Wisely GB, Lambert MH, Kliewer SA, Redinbo MR: Structural disorder in the complex of human pregnane X receptor and the macrolide antibiotic rifampicin. Mol Endocrinol. 2005 May;19(5):1125-34. Epub 2005 Feb 10. [PubMed:15705662 ]
  13. Xue Y, Chao E, Zuercher WJ, Willson TM, Collins JL, Redinbo MR: Crystal structure of the PXR-T1317 complex provides a scaffold to examine the potential for receptor antagonism. Bioorg Med Chem. 2007 Mar 1;15(5):2156-66. Epub 2006 Dec 20. [PubMed:17215127 ]
  14. 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. [PubMed:18768384 ]
  15. Koyano S, Kurose K, Ozawa S, Saeki M, Nakajima Y, Hasegawa R, Komamura K, Ueno K, Kamakura S, Nakajima T, Saito H, Kimura H, Goto Y, Saitoh O, Katoh M, Ohnuma T, Kawai M, Sugai K, Ohtsuki T, Suzuki C, Minami N, Saito Y, Sawada J: Eleven novel single nucleotide polymorphisms in the NR1I2 (PXR) gene, four of which induce non-synonymous amino acid alterations. Drug Metab Pharmacokinet. 2002;17(6):561-5. [PubMed:15618712 ]