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Sim2

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Sim2

Single-minded family bHLH transcription factor 2
Identifiers
Symbols  ; HMC13F06; HMC29C01; SIM; bHLHe15
External IDs GeneCards:
RNA expression pattern
Orthologs
Species Human Mouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)
RefSeq (protein)
Location (UCSC)
PubMed search

Single-minded homolog 2 is a protein that in humans is encoded by the SIM2 gene.[1][2]

Function

SIM1 and SIM2 genes are Drosophila single-minded (sim) gene homologs. The Drosophila sim gene encodes a transcription factor that is a master regulator of neurogenesis of midline cells in the central nervous system. SIM2 maps within the so-called Down syndrome chromosomal region. Based on the mapping position, its potential function as transcriptional repressor and similarity to Drosophila sim, it is proposed that SIM2 may contribute to some specific Down syndrome phenotypes[2]

Interactions

SIM2 has been shown to interact with Aryl hydrocarbon receptor nuclear translocator.[3][4][5][6]

References

  1. ^ Muenke M, Bone LJ, Mitchell HF, Hart I, Walton K, Hall-Johnson K, Ippel EF, Dietz-Band J, Kvaloy K, Fan CM, et al. (November 1995). "Physical Mapping of the Holoprosencephaly Critical Region in 21q22.3, Exclusion of SIM2 as a Candidate Gene for Holoprosencephaly, and Mapping of SIM2 to a Region of Chromosome 21 Important for Down Syndrome". Am J Hum Genet 57 (5): 1074–9.  
  2. ^ a b "Entrez Gene: SIM2 single-minded homolog 2 (Drosophila)". 
  3. ^ Probst, M R; Fan C M; Tessier-Lavigne M; Hankinson O (February 1997). "Two murine homologs of the Drosophila single-minded protein that interact with the mouse aryl hydrocarbon receptor nuclear translocator protein". J. Biol. Chem. (UNITED STATES) 272 (7): 4451–7.  
  4. ^ Ooe, Norihisa; Saito Koichi; Mikami Nobuyoshi; Nakatuka Iwao; Kaneko Hideo (January 2004). "Identification of a Novel Basic Helix-Loop-Helix-PAS Factor, NXF, Reveals a Sim2 Competitive, Positive Regulatory Role in Dendritic-Cytoskeleton Modulator Drebrin Gene Expression". Mol. Cell. Biol. (United States) 24 (2): 608–16.  
  5. ^ Woods, Susan L; Whitelaw Murray L (March 2002). "Differential activities of murine single minded 1 (SIM1) and SIM2 on a hypoxic response element. Cross-talk between basic helix-loop-helix/per-Arnt-Sim homology transcription factors". J. Biol. Chem. (United States) 277 (12): 10236–43.  
  6. ^ Moffett, P; Reece M; Pelletier J (September 1997). "The murine Sim-2 gene product inhibits transcription by active repression and functional interference". Mol. Cell. Biol. (UNITED STATES) 17 (9): 4933–47.  

Further reading


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