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Source

Rabbit

Applications

IHC,ELISA

Reactivity

Human

Dilution

IHC: 1:100 - 1:300. ELISA: 1:5000. Not yet tested in other applications.

Storage

-20°C/1 year

Specificity

53BP1 Polyclonal Antibody detects endogenous levels of 53BP1 protein.

Source/Purification

The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.

Immunogen

The antiserum was produced against synthesized peptide derived from human TP53BP1. AA range:1744-1793

Uniprot No

Q12888

Alternative names

TP53BP1; Tumor suppressor p53-binding protein 1; 53BP1; p53-binding protein 1; p53BP1

Form

Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.

Clonality

Polyclonal

Isotype

IgG

Background

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.,

Other

TP53BP1, Tumor suppressor p53-binding protein 1

Mol.Wt (Da)

213574

Concentration

1 mg/ml