Caution:The gene for this protein is either identical to or adjacent to that of TREX1. Some of the mRNAs that encode ATRIP also encode TREX1 in another reading frame. ,Domain:The EEXXXDDL motif is required for the interaction with catalytic subunit PRKDC and its recruitment to sites of DNA damage. ,Function:Required for checkpoint signaling after DNA damage. Required for ATR expression , possibly by stabilizing the protein. ,PTM:Phosphorylated by ATR. ,sequence Caution:Translation N-terminally extended. ,similarity:Belongs to the ATRIP family. ,subcellular location:Redistributes to discrete nuclear foci upon DNA damage. ,subunit:Heterodimer with ATR. The heterodimer binds the RPA complex and is then recruited to single stranded DNA. Interacts with CEP164 (via N-terminus) . ,tissue specificity:Ubiquitous. ,
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