SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A member 5 (Protein name
), SMCA5_MOUSE from NCBI database.
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Gene name:
Smarca5(Snf2h);
Protein name:
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A member 5;
Alternative:
Sucrose nonfermenting protein 2 homolog(mSnf2h);
Organism:
Mouse (Mus musculus).
General Annotation
Sub Unit:
Catalytic subunit of the four known chromatin-remodeling complexes: CHRAC, RSF, ACF/WCRF, and WICH. Each complex contains subunits which may regulate the specificity or catalytic activity of SMARCA5. ACF/WCRF contains BAZ1A; CHRAC contains BAZ1A, CHRAC1, and POLE3; RSF contains HBXAP; WICH contains BAZ1B/WSTF.SMARCA5 is the catalytic subunit of the NoRC chromatin-remodeling complex, which also contains BAZ2A/TIP5. The BAZ2A/TIP5 subunit of NoRC also interacts with DNMT1, DNMT3B and HDAC1, which allows NoRC to actively suppress rDNA transcription by a combination of nucleosome remodeling, histone deacetylation, and DNA methylation. Catalytic subunit of SMARCA5/cohesin/NuRD complexes. Component of the B-WICH complex, at least composed of SMARCA5/SNF2H, BAZ1B/WSTF, SF3B1, DEK, MYO1C, ERCC6, MYBBP1A and DDX21. Interacts with MYO1C.
Function:
Helicase that possesses intrinsic ATP-dependent nucleosome-remodeling activity. Complexes containing SMARCA5 are capable of forming ordered nucleosome arrays on chromatin; this may require intact histone H4 tails. Also required for replication of pericentric heterochromatin in S-phase specifically in conjunction with BAZ1A. Probably plays a role in repression of polI dependent transcription of the rDNA locus, through the recruitment of the SIN3/HDAC1 corepressor complex to the rDNA promoter. Essential component of the WICH complex, a chromatin remodeling complex that mobilizes nucleosomes and reconfigures irregular chromatin to a regular nucleosomal array structure. The WICH complex regulates the transcription of various genes, has a role in RNA polymerase I and RNA polymerase III transcription, mediates the histone H2AX phosphorylation at 'Tyr-142', and is involved in the maintenance of chromatin structures during DNA replication processes. Essential component of the NoRC (nucleolar remodeling complex) complex, a complex that mediates silencing of a fraction of rDNA by recruiting histone-modifying enzymes and DNA methyltransferases, leading to heterochromatin formation and transcriptional silencing.
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Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 440-1007
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Cited for: FUNCTION;SUBCELLULAR LOCATION;IDENTIFICATION IN THE NORC COMPLEX;INTERACTION WITH BAZ2A
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Cited for: FUNCTION;IDENTIFICATION IN THE WICH COMPLEX;INTERACTION WITH BAZ1B
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Cited for: FUNCTION;IDENTIFICATION IN THE NORC COMPLEX;INTERACTION WITH BAZ2A AND HDAC1
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Cited for: FUNCTION;INTERACTION WITH BAZ2A; DNMT1; DNMT3B AND HDAC1
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Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-65;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
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Cited for: ACETYLATION [LARGE SCALE ANALYSIS] AT LYS-439;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]