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MCR Receptor for both mineralocorticoids (MC) such as aldosterone and glucocorticoids (GC) such as corticosterone or cortisol. Binds to mineralocorticoid response elements (MRE) and transactivates target genes. The effect of MC is to increase ion and water transport and thus raise extracellular fluid volume and blood pressure and lower potassium levels. Defects in NR3C2 are a cause of autosomal dominant pseudohypoaldosteronism type I (AD-PHA1). PHA1 is characterized by urinary salt wasting, resulting from target organ unresponsiveness to mineralocorticoids. There are 2 forms of PHA1: the autosomal dominant form that is mild, and the recessive form which is more severe and due to defects in any of the epithelial sodium channel subunits. In AD-PHA1 the target organ defect is confined to kidney. Clinical expression can vary from asymptomatic to moderate. It may be severe at birth, but symptoms remit with age. Familial and sporadic cases have been reported. Defects in NR3C2 are a cause of early-onset hypertension with severe exacerbation in pregnancy (EOHSEP). Inheritance is autosomal dominant. The disease is characterized by the onset of severe hypertension before the age of 20, and by suppression of aldosterone secretion. Belongs to the nuclear hormone receptor family. NR3 subfamily. 4 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: DNA-binding; Nuclear receptor
Chromosomal Location of Human Ortholog: 4q31.23
Cellular Component: cytosol; endoplasmic reticulum membrane; nucleoplasm; receptor complex
Molecular Function: DNA binding transcription factor activity; protein binding; sequence-specific DNA binding; steroid binding; steroid hormone receptor activity; zinc ion binding
Biological Process: regulation of transcription, DNA-templated; signal transduction; steroid hormone mediated signaling; transcription initiation from RNA polymerase II promoter
Disease: Hypertension, Early-onset, Autosomal Dominant, With Severe Exacerbation In Pregnancy; Pseudohypoaldosteronism, Type I, Autosomal Dominant
Reference #:  P08235 (UniProtKB)
Alt. Names/Synonyms: aldosterone receptor; FLJ41052; MCR; MGC133092; Mineralocorticoid receptor; mineralocorticoid receptor 1; mineralocorticoid receptor delta; MLR; MR; NR3C2; NR3C2VIT; Nuclear receptor subfamily 3 group C member 2; nuclear receptor subfamily 3, group C, member 2
Gene Symbols: NR3C2
Molecular weight: 107,067 Da
Basal Isoelectric point: 7.22  Predict pI for various phosphorylation states
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