Phospho-NF-kB p65 (Ser468) Recombinant Monoclonal Antibody for Western Blot, ELISA Nuclear factor kB p65 (NF-kB p65) is encoded by the RELA gene and is present on chromosome 11 in humans. NF-kB P65 is also known as RelA (v-rel avian reticuloendotheliosis