pregnane X receptor

E850015

Pregnane X receptor is a nuclear hormone receptor that senses a wide range of xenobiotics and endogenous compounds to regulate genes involved in drug metabolism and detoxification.

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Observed surface forms (1)

Surface form Occurrences
Pregnane X receptor 0

Statements (61)

Predicate Object
instanceOf nuclear receptor
protein
transcription factor
xenobiotic sensor
activatedBy bile acid derivatives
dexamethasone NERFINISHED
hyperforin
phenobarbital
pregnenolone 16α-carbonitrile NERFINISHED
rifampicin NERFINISHED
activatedState ligand-bound heterodimer with RXRα
alsoKnownAs NR1I2 NERFINISHED
PXR NERFINISHED
SXR NERFINISHED
steroid and xenobiotic receptor NERFINISHED
associatedWith cholestatic liver disease
inflammatory bowel disease
metabolic disorders
belongsToFamily nuclear receptor subfamily 1 group I
bindsDNAAt PXR response elements
xenobiotic response elements
bindsLigand bile acids
endogenous steroids
herbal compounds
prescription drugs
xenobiotics
biologicalProcess bile acid homeostasis
cholesterol metabolism
detoxification
lipid metabolism
regulation of drug clearance
xenobiotic metabolism
chromosomalLocation chromosome 3q13.33
discoveredIn late 1990s
encodedBy NR1I2 gene NERFINISHED
expressedIn colon
intestine
kidney
liver
formsHeterodimerWith RXRα NERFINISHED
retinoid X receptor alpha NERFINISHED
hasDomain DNA-binding domain
ligand-binding domain
hasOrtholog mouse Pxr NERFINISHED
rat Pxr NERFINISHED
involvedIn drug–drug interactions
pharmacokinetic variability
organism Homo sapiens NERFINISHED
regulatesExpressionOf ABCB1 NERFINISHED
ABCC2 NERFINISHED
CYP2B6 NERFINISHED
CYP2C19 NERFINISHED
CYP2C9 NERFINISHED
CYP3A4
MDR1 NERFINISHED
SULT2A1
UGT1A1 NERFINISHED
drug transporters
drug-metabolizing enzymes
subcellularLocation cytoplasm
nucleus

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

CYP3A4 regulatedBy pregnane X receptor