XRCC5/Ku80 Antibody

Product Details


Product Information
Source Rabbit Purification method Antigen affinity purification
Isotype IgG Storage PBS with 0.02% sodium azide and 50% glycerol pH 7.3. Store at -20oC.
Immunogen Information
Calculated molecular
weight
732aa,83 kDa Observed molecular
weight
80 kDa
GenBank accession
number
BC019027 Gene ID (NCBI) 7520
Gene symbol XRCC5 Synonyms 86 kDa subunit of Ku antigen, CTC85, CTCBF, DNA repair protein XRCC5, FLJ39089, G22P2, KARP 1, KARP1, Ku80, Ku86, KUB2, NFIV, Nuclear factor IV, Thyroid lupus autoantigen, TLAA, XRCC5
Background

There are at least two pathways for eukaryotes to repair DNA double-strand breaks: homologous recombination and nonhomologous end joining(NHEJ). The core NHEJ machinery includes XRCC4, DNA ligase IV and the DNA-dependent protein kinase complex, which consists of the DNA end-binding XRCC5/XRCC6 heterodimer and the catalytic subunit PRKDC. The heterdimer of XRCC5/XRCC6 enhanced teh affinity of the catalytic subunit PRKDC to DNA by 100-fold. Once the XRCC5/6 dimer association with NAA15, it can bind to the osteocalcin promoter and activate osteocalcin expression. The XRCC5/6 dimer acts as a negative regulator of transcription when together with APEX1. Some publised papers indicated that the MW of XRCC5 is 86kDa, while more papers suggested that XRCC5 is a 80kDa protein, as it was firstly introducted in publication. Thus, Ku80 and Ku86 are the same protein.

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