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SMARCA2 - SWI/SNF related, matrix associated, actin dependent regulator of chromatin, subfamily a, member 2
Entrez Gene Name: SWI/SNF related, matrix associated, actin dependent regulator of chromatin, subfamily a, member 2
Synonyms: 2610209L14RIK, BAF190, brahma, BRM, FLJ36757, HBRM, hSNF2a, MGC74511, SMARCA2, SNF2, SNF2alpha, SNF2L2, SNF2LA, Sth1p, SWI2

Gene Summary

  • Human (6595): The protein encoded by this gene is a member of the SWI/SNF family of proteins and is highly similar to the brahma protein of Drosophila. Members of this family have helicase and ATPase activities and are thought to regulate transcription of certain genes by altering the chromatin structure around those genes. The encoded protein is part of the large ATP-dependent chromatin remodeling complex SNF/SWI, which is required for transcriptional activation of genes normally repressed by chromatin. Two transcript variants encoding different isoforms have been found for this gene, which contains a trinucleotide repeat (CAG) length polymorphism. [provided by RefSeq]
  • Rat (361745): mouse homolog plays a role in regulation of cell proliferation [RGD]

Cell Regulation

Regulates:
  • CD44
  • Troponin-t
  • MYOG
View all 49 in IPA
Regulated by:
  • RB1
  • SMARCA4
  • phosphatidylinositol 4,5-diphosphate
View all 25 in IPA
Binds:
  • SMARCB1
  • RB1
  • SMARCE1
View all 77 in IPA
Role in cell:
  • growth
  • cell cycle progression
  • formation
View all 15 in IPA
Disease:
  • schizophrenia
  • Waldenstrom's macroglobulinemia
  • squamous-cell carcinoma
View all 5 in IPA

Biological Process

establishment or maintenance of chromatin architecture, negative regulation of cell proliferation, nucleosome assembly, regulation of transcription, regulation of transcription from RNA polymerase II promoter

Cellular Components

nucleoplasm, nucleus, SWI/SNF complex

Literature References

  • 15696166Harikrishnan KN, Chow MZ, Baker EK, Pal S, Bassal S, Brasacchio D, Wang L, Craig JM, Jones PL, Sif S, El-Osta A. Brahma links the SWI/SNF chromatin-remodeling complex with MeCP2-dependent transcriptional silencing.Nat Genet 2005 Mar 01;37(3):254-64
  • 12757710Iakova P, Awad SS, Timchenko NA. Aging Reduces Proliferative Capacities of Liver by Switching Pathways of C/EBPalpha Growth Arrest.Cell 2003 May 16;113(4):495-506
  • 12065415Wang S, Zhang B, Faller DV. Prohibitin requires Brg-1 and Brm for the repression of E2F and cell growth.EMBO J 2002 Jun 17;21(12):3019-28
  • View 640 categorized literature findings and their references in IPA

Molecular Functions

ATP binding, DNA binding, helicase activity, hydrolase activity, hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides, nucleotide binding, protein binding, transcription coactivator activity

Protein Domains

bromodomain, carboxy terminal domain, helicase, Helicase domain, LXCXE binding site, N-terminal domain, proline/glutamine rich region, protein binding, retinoblastoma protein binding domain, transcription co-activator, transcription regulator

Subcellular Locations

cellular membrane, chromatin fraction, cytoplasm, interzone, nuclear fraction, nuclear matrix fraction, nucleoplasm, nucleus