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SPT16 Component of the FACT complex, a general chromatin factor that acts to reorganize nucleosomes. The FACT complex is involved in multiple processes that require DNA as a template such as mRNA elongation, DNA replication and DNA repair. During transcription elongation the FACT complex acts as a histone chaperone that both destabilizes and restores nucleosomal structure. It facilitates the passage of RNA polymerase II and transcription by promoting the dissociation of one histone H2A-H2B dimer from the nucleosome, then subsequently promotes the reestablishment of the nucleosome following the passage of RNA polymerase II. The FACT complex is probably also involved in phosphorylation of 'Ser-392' of p53/TP53 via its association with CK2 (casein kinase II). Also involved in vitamin D-coupled transcription regulation via its association with the WINAC complex, a chromatin-remodeling complex recruited by vitamin D receptor (VDR), which is required for the ligand-bound VDR- mediated transrepression of the CYP27B1 gene. Belongs to the peptidase M24 family. SPT16 subfamily. Component of the FACT complex, a stable heterodimer of SSRP1 and SUPT16H. Also component of a CK2-SPT16-SSRP1 complex which forms following UV irradiation, composed of SSRP1, SUPT16H, CSNK2A1, CSNK2A2 and CSNK2B. Component of the WINAC complex, at least composed of SMARCA2, SMARCA4, SMARCB1, SMARCC1, SMARCC2, SMARCD1, SMARCE1, ACTL6A, BAZ1B/WSTF, ARID1A, SUPT16H, CHAF1A and TOP2B. Interacts with NEK9. Binds to histone H2A-H2B. Interacts with GTF2E2. Note: This description may include information from UniProtKB.
Protein type: Transcription initiation complex
Chromosomal Location of Human Ortholog: 14q11.2
Cellular Component: nucleoplasm; nucleus
Molecular Function: histone binding; nucleosome binding; protein binding; RNA binding
Biological Process: nucleosome disassembly; positive regulation of RNA elongation; positive regulation of RNA elongation from RNA polymerase II promoter; RNA elongation from RNA polymerase II promoter; transcription from RNA polymerase II promoter
Reference #:  Q9Y5B9 (UniProtKB)
Alt. Names/Synonyms: CDC68; Chromatin-specific transcription elongation factor 140 kDa subunit; facilitates chromatin remodeling 140 kDa subunit; Facilitates chromatin transcription complex subunit SPT16; FACT 140 kDa subunit; FACT complex subunit SPT16; FACT140; FACTP140; FLJ10857; FLJ14010; FLJ34357; hSPT16; SP16H; SPT16/CDC68; suppressor of Ty 16 homolog (S. cerevisiae); SUPT16H
Gene Symbols: SUPT16H
Molecular weight: 119,914 Da
Basal Isoelectric point: 5.5  Predict pI for various phosphorylation states
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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