Protein syndesmos - Q9BRJ7 (SDOS_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for Q9BRJ7: 1
 
Function
Key regulator of TP53BP1 required to stabilize TP53BP1 and regulate its recruitment to chromatin (PubMed:28241136). In absence of DNA damage, interacts with the tandem Tudor-like domain of TP53BP1, masking the region that binds histone H4 dimethylated at 'Lys-20' (H4K20me2), thereby preventing TP53BP1 recruitment to chromatin and maintaining TP53BP1 localization to the nucleus (PubMed:28241136). Following DNA damage, ATM-induced phosphorylation of TP53BP1 and subsequent recruitment of RIF1 leads to dissociate NUDT16L1/TIRR from TP53BP1, unmasking the tandem Tudor-like domain and allowing recruitment of TP53BP1 to DNA double strand breaks (DSBs) (PubMed:28241136). Binds U8 snoRNA (PubMed:18820299). UniProt
Pathway Maps
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Subunit Structure
Homodimer (PubMed:28241136). Interacts with TP53BP1 (via the Tudor-like domain); interaction is abolished following DNA damage and TP53BP1 phosphorylation by ATM (PubMed:28241136). Interacts (via the cytoplasmic part) with SDC4 (By similarity). Interacts with TGFB1I1 and PXN. UniProt
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