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SSRP1
The protein encoded by this gene is a subunit of a heterodimer that, along with SUPT16H, forms chromatin transcriptional elongation factor FACT. FACT interacts specifically with histones H2A/H2B to effect nucleosome disassembly and transcription elongation. FACT and cisplatin-damaged DNA may be crucial to the anticancer mechanism of cisplatin. This encoded protein contains a high mobility group box which most likely constitutes the structure recognition element for cisplatin-modified DNA. This protein also functions as a co-activator of the transcriptional activator p63. An alternatively spliced transcript variant of this gene has been described, but its full-length nature is not known.
Protein class
Plasma proteins, Transcription factors
Predicted location
Intracellular
Single cell type specificity
Low cell type specificity
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Interacts with MYOG (via C-terminal region) (By similarity). Component of the FACT complex, a stable heterodimer of SSRP1 and SUPT16H (PubMed:10421373). Also component of a CK2-SPT16-SSRP1 complex which forms following UV irradiation, composed of SSRP1, SUPT16H, CSNK2A1, CSNK2A2 and CSNK2B (PubMed:11239457, PubMed:12393879). Binds to histone H3-H4 tetramers, but not to intact nucleosomes. Identified in a centromere complex containing histones H2A, H2B and H4, and at least CENPA, CENPB, CENPC, CENPT, CENPN, HJURP, SUPT16H, SSRP1 and RSF1 (PubMed:27499292). Interacts with isoform gamma of TP63 (PubMed:12374749). Interacts with FYTTD1/UIF (PubMed:19836239). Interacts with SRF (By similarity). Interacts with NEK9 (PubMed:14660563). (Microbial infection) Interacts with Herpes simplex virus 1 (HHV-1) protein ICP22; this interaction relocalizes the FACT complex to viral genomes in infected cells.
Molecular function
DNA-binding
More Types Infomation
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- Derivation: Phage display library screening
- Species Reactivity: Human
- Type: IgG
- Application: WB, ICC
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- Species Reactivity: Human
- Application: ICC/IF, IP, WB
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For Research Use Only. Not For Clinical Use.