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  Domain Name: NR_LBD_EcR
The ligand binding domain (LBD) of the Ecdysone receptor, a member of the nuclear receptors super family. The ligand binding domain (LBD) of the ecdysone receptor: The ecdysone receptor (EcR) belongs to the superfamily of nuclear receptors (NRs) of ligand-dependent transcription factors. Ecdysone receptor is present only in invertebrates and regulates the expression of a large number of genes during development and reproduction. ECR functions as a heterodimer by partnering with ultraspiracle protein (USP), the ortholog of the vertebrate retinoid X receptor (RXR). The natural ligands of ecdysone receptor are ecdysteroids#the endogenous steroidal hormones found in invertebrates. In addition, insecticide bisacylhydrazine used against pests has shown to act on EcR. EcR must be dimerised with a USP for high-affinity ligand binding to occur. The ligand binding triggers a conformational change in the C-terminal part of the EcR ligand-binding domain that leads to transcriptional activation of genes controlled by EcR. Like other members of the nuclear receptor (NR) superfamily of ligand-activated transcription factors, ec dysone receptors have a central well conserved DNA binding domain (DBD), a variable N-terminal domain, a non-conserved hinge and a C-terminal ligand binding domain (LBD).
No pairwise interactions are available for this conserved domain.

Total Mutations Found: 157
Total Disease Mutations Found: 80
This domain occurred 38 times on human genes (152 proteins).



  46,XY SEX REVERSAL 3
  ADRENOCORTICAL INSUFFICIENCY
  COLON CANCER, SOMATIC
  ENHANCED S-CONE SYNDROME
  GOLDMANN-FAVRE SYNDROME, INCLUDED
  LIPODYSTROPHY, FAMILIAL PARTIAL, TYPE 3
  MATURITY-ONSET DIABETES OF THE YOUNG, TYPE 1
  MICROPHTHALMIA, SYNDROMIC 12
  PREMATURE OVARIAN FAILURE 7, INCLUDED
  THYROID HORMONE RESISTANCE, GENERALIZED
  THYROID HORMONE RESISTANCE, GENERALIZED, AUTOSOMAL DOMINANT
  THYROID HORMONE RESISTANCE, GENERALIZED, AUTOSOMAL RECESSIVE
  THYROID HORMONE RESISTANCE, SELECTIVE PITUITARY
  THYROID HORMONE RESISTANCE, SELECTIVE PITUITARY, INCLUDED
  VARIANT OF UNKNOWN SIGNIFICANCE
  VITAMIN D-DEPENDENT RICKETS, TYPE 2A


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Range on the Protein:  

   Protein ID            Protein Position

Domain Position:  


Feature Name:Total Found:
ligand binding site
putative coactivator reco
heterodimer interface














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Please Cite: Peterson, T.A., Adadey, A., Santana-Cruz ,I., Sun, Y., Winder A, Kann, M.G., (2010) DMDM: Domain Mapping of Disease Mutations. Bioinformatics 26 (19), 2458-2459.

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