The antiserum was produced against synthesized peptide derived from human 53BP1. AA range:1-50
Alternative Synonym:
TP53BP1, Tumor suppressor p53-binding protein 1, 53BP1, p53-binding protein 1, p53BP1
function:May have a role in checkpoint signaling during mitosis (By similarity). Enhances TP53-mediated transcriptional activation. Plays a role in the response to DNA damage.,PTM:Asymmetrically dimethylated on Arg residues by PRMT1. Methylation is required for DNA binding.,PTM:Phosphorylated at basal level in the absence of DNA damage. Hyper-phosphorylated in an ATM-dependent manner in response to DNA damage induced by ionizing radiation. Hyper-phosphorylated in an ATR-dependent manner in response to DNA damage induced by UV irradiation.,similarity:Contains 2 BRCT domains.,subcellular location:Associated with kinetochores. Both nuclear and cytoplasmic in some cells. Recruited to sites of DNA damage, such as double stand breaks. Methylation of histone H4 at Lys-20 is required for efficient localization to double strand breaks.,subunit:Interacts with IFI202A (By similarity). Binds to the central domain of TP53/p53. May form homo-oligomers. Interacts with DCLRE1C. Interacts with histone H2AFX and this requires phosphorylation of H2AFX on Ser-139. Interacts with histone H4 that has been dimethylated at Lys-20. Has low affinity for histone H4 containing monomethylated Lys-20. Does not bind histone H4 containing unmethylated or trimethylated Lys-20. Has low affinity for histone H3 that has been dimethylated on Lys-79. Has very low affinity for histone H3 that has been monomethylated on Lys-79 (in vitro). Does not bind unmethylated histone H3.,
Western Blot: 1/500 - 1/2000. Immunohistochemistry: 1/100 - 1/300. Immunofluorescence: 1/200 - 1/1000. ELISA: 1/10000. Not yet tested in other applications.
Western Blot analysis of various cells using 53BP1 Polyclonal Antibody diluted at 1:2000
Immunofluorescence analysis of HeLa cells, using 53BP1 Antibody. The picture on the right is blocked with the synthesized peptide.
Western blot analysis of lysates from A549 cells, using 53BP1 Antibody. The lane on the right is blocked with the synthesized peptide.
Immunohistochemical analysis of paraffin-embedded human tonsil. 1, Antibody was diluted at 1:200(4 overnight). 2, Tris-EDTA,pH9.0 was used for antigen retrieval. 3,Secondary antibody was diluted at 1:200(room temperature, 45min).
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