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Details on Person UniProt:Q6STE5 SMARCD3

Class:Id	ReferenceGeneProduct:248696
_chainChangeLog	initiator methionine:1 added on Fri February 6 2015;chain:2-483 added on Fri February 6 2015;initiator methionine:1 for 248696 removed on Fri Nov 03 2023;initiator methionine: for 248696 added on Fri Nov 03 2023;initiator methionine: for 248696 removed on Fri Aug 15 2025;initiator methionine:1 for 248696 added on Fri Aug 15 2025
_displayName	UniProt:Q6STE5 SMARCD3
_timestamp	2025-08-15 21:41:31
chain	initiator methionine:1 chain:2-483
checksum	B7B28DD11DCD0B5C
comment	FUNCTION Involved in transcriptional activation and repression of select genes by chromatin remodeling (alteration of DNA-nucleosome topology). Component of SWI/SNF chromatin remodeling complexes that carry out key enzymatic activities, changing chromatin structure by altering DNA-histone contacts within a nucleosome in an ATP-dependent manner. Stimulates nuclear receptor mediated transcription. Belongs to the neural progenitors-specific chromatin remodeling complex (npBAF complex) and the neuron-specific chromatin remodeling complex (nBAF complex). During neural development a switch from a stem/progenitor to a postmitotic chromatin remodeling mechanism occurs as neurons exit the cell cycle and become committed to their adult state. The transition from proliferating neural stem/progenitor cells to postmitotic neurons requires a switch in subunit composition of the npBAF and nBAF complexes. As neural progenitors exit mitosis and differentiate into neurons, npBAF complexes which contain ACTL6A/BAF53A and PHF10/BAF45A, are exchanged for homologous alternative ACTL6B/BAF53B and DPF1/BAF45B or DPF3/BAF45C subunits in neuron-specific complexes (nBAF). The npBAF complex is essential for the self-renewal/proliferative capacity of the multipotent neural stem cells. The nBAF complex along with CREST plays a role regulating the activity of genes essential for dendrite growth (By similarity).SUBUNIT Component of the multiprotein chromatin-remodeling complexes SWI/SNF: SWI/SNF-A (BAF), SWI/SNF-B (PBAF) and related complexes. The canonical complex contains a catalytic subunit (either SMARCA4/BRG1/BAF190A or SMARCA2/BRM/BAF190B) and at least SMARCE1, ACTL6A/BAF53, SMARCC1/BAF155, SMARCC2/BAF170, and SMARCB1/SNF5/BAF47. Other subunits specific to each of the complexes may also be present permitting several possible combinations developmentally and tissue specific (Probable). Component of the BAF complex, which includes at least actin (ACTB), ARID1A/BAF250A, ARID1B/BAF250B, SMARCA2/BRM, SMARCA4/BRG1/BAF190A, ACTL6A/BAF53, ACTL6B/BAF53B, SMARCE1/BAF57, SMARCC1/BAF155, SMARCC2/BAF170, SMARCB1/SNF5/INI1, and one or more SMARCD1/BAF60A, SMARCD2/BAF60B, or SMARCD3/BAF60C. In muscle cells, the BAF complex also contains DPF3 (PubMed:18765789). Component of neural progenitors-specific chromatin remodeling complex (npBAF complex) composed of at least, ARID1A/BAF250A or ARID1B/BAF250B, SMARCD1/BAF60A, SMARCD3/BAF60C, SMARCA2/BRM/BAF190B, SMARCA4/BRG1/BAF190A, SMARCB1/BAF47, SMARCC1/BAF155, SMARCE1/BAF57, SMARCC2/BAF170, PHF10/BAF45A, ACTL6A/BAF53A and actin. Component of neuron-specific chromatin remodeling complex (nBAF complex) composed of at least, ARID1A/BAF250A or ARID1B/BAF250B, SMARCD1/BAF60A, SMARCD3/BAF60C, SMARCA2/BRM/BAF190B, SMARCA4/BRG1/BAF190A, SMARCB1/BAF47, SMARCC1/BAF155, SMARCE1/BAF57, SMARCC2/BAF170, DPF1/BAF45B, DPF3/BAF45C, ACTL6B/BAF53B and actin (By similarity). May be a component of the SWI/SNF-B (PBAF) chromatin remodeling complex, at least composed of SMARCA4/BRG1, SMARCB1/BAF47/SNF5, ACTL6A/BAF53A or ACTL6B/BAF53B, SMARCE1/BAF57, SMARCD1/BAF60A, SMARCD2/BAF60B, perhaps SMARCD3/BAF60C, SMARCC1/BAF155, SMARCC2/BAF170, PBRM1/BAF180, ARID2/BAF200 and actin (PubMed:22952240, PubMed:26601204). Interacts with SMARCA4/BRG1/BAF190A (PubMed:14701856). Component of SWI/SNF (GBAF) subcomplex, which includes at least BICRA or BICRAL (mutually exclusive), BRD9, SS18, SMARCA2/BRM, SMARCA4/BRG1/BAF190A, ACTL6A/BAF53, SMARCC1/BAF155, and SMARCD1/BAF60A (PubMed:29374058). The precise distribution of the related SMARCD1, SMARCD2 and SMARCD3 proteins among these and other SWI/SNF nucleosome-remodeling complexes is not fully known. May allow recruitment of SWI/SNF containing complexes specifically to promoters where these factors are located. Also interacts with several nuclear receptors including PPARG/NR1C3, RXRA/NR1F1, ESR1, NR5A1, NR5A2/LRH1 and other transcriptional activators including the HLH protein SREBF1/SREBP1 and the homeobox protein PBX1 (PubMed:14701856). Interacts with PRDM1/BLIMP1 (PubMed:32417234).INTERACTION Isoform 2 and isoform 1 are expressed in brain, heart, kidney, placenta, prostate, salivary gland, spleen, testis, thyroid, trachea and uterus. Isoform 1 is also expressed in skeletal muscle and adipose tissue.SIMILARITY Belongs to the SMARCD family.
created	[InstanceEdit:217385] Schmidt, EE, 2008-03-27 06:23:53
description	recommendedName: SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily D member 3 alternativeName: 60 kDa BRG-1/Brm-associated factor subunit C alternativeName: BRG1-associated factor 60C shortName: BAF60C
geneName	SMARCD3 BAF60C
identifier	Q6STE5
isSequenceChanged	FALSE
keyword	Acetylation Alternative splicing Chromatin regulator Neurogenesis Nucleus Phosphoprotein Proteomics identification Reference proteome Transcription Transcription regulation
modified	[InstanceEdit:9836292] Weiser, Joel, 2023-05-25 [InstanceEdit:9852000] Weiser, Joel, 2023-11-03 [InstanceEdit:9926675] Weiser, Joel, 2024-11-03 [InstanceEdit:9963647] Weiser, Joel, 2025-08-15
name	SMARCD3
referenceDatabase	[ReferenceDatabase:2] UniProt
referenceGene	[ReferenceDNASequence:9002060] ENSEMBL:ENSG00000082014 SMARCD3 [Homo sapiens]
secondaryIdentifier	SMRD3_HUMAN D3DX10 Q2YD86 Q75MJ2 Q75MR8 Q92926 Q9BUH1
sequenceLength	483
species	[Species:48887] Homo sapiens
(isoformParent)	[ReferenceIsoform:248697] UniProt:Q6STE5-2 SMARCD3 [Homo sapiens] [ReferenceIsoform:408664] UniProt:Q6STE5-1 SMARCD3 [Homo sapiens]
(referenceEntity)	[EntityWithAccessionedSequence:400141] SMARCD3 [nucleoplasm] [Homo sapiens]
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No pathways have been reviewed or authored by UniProt:Q6STE5 SMARCD3 (248696)