Histone H2A.X (phospho Ser139) (AB1859) Rabbit mAb

Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Two molecules of each of the four core histones (H2A, H2B, H3, and H4) form an octamer, around which approximately 146 bp of DNA is wrapped in repeating units, called nucleosomes. The linker histone, H1, interacts with linker DNA between nucleosomes and functions in the compaction of chromatin into higher order structures. This gene encodes a replication-independent histone that is a member of the histone H2A family, and generates two transcripts through the use of the conserved stem-loop termination motif, and the polyA addition motif. [provided by RefSeq, Oct 2015]

WB, 1:1000-1:5000 | IHC, 1:2000-1:8000 | IF, 1:200-1:1000 | IP, 0. 5μg-4μg antibody for 200μg-400μg extracts of whole cells. | ELISA, Recommended starting concentration is 1 μg/mL. Please optimize the concentration based on your specific assay requirements.

The antibody detects endogenous levels of Histone H2A. X protein only when phosphorylated at Ser139. The antibody does not cross-react with Histone H2A. X phosphorylated at other sites.