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 viral oncogene homolog A) and belongs to the Rel family of proteins. It is one of the two subunits of NF-kB (Nuclear factor kappa-light-chain-enhancer of activated B cells) that heterodimerizes with the other subunits p50 or p52. However, binding of TNF alpha to its cognate receptor phosphorylates IKK which in turn phosphorylates I kB allowing proteasomal degradation of I kB. Phosphorylation of p65 at Ser 536 located in the carboxy-terminal transactivation domains (TAD) leads to nuclear localization of the transcriptionally active complex and NF-kB mediated transactivation of several downstream genes. It specifically plays a key role in transcription of immunoglobulin k (kappa) gene in mature B-lymphoid cells.
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Protein Aliases: avian reticuloendotheliosis viral (v-rel) oncogene homolog A; MGC131774; NF KB; nf-kappa-b p65; NF-kappa-B p65delta3; NF-kappa-B transcription factor p65; NFkappaB p65; nfkb rela; NFkB-p50; NFKB1; nuclear factor; nuclear factor kappa b; nuclear factor kappa B subunit p65; Nuclear factor NF-kappa-B p65 subunit; Nuclear factor of kappa light polypeptide gene enhancer in B-cells 3; p65 NF kappaB; p65 NF-kappa B; p65 NFkB; REL A; Transcription factor p65; v-rel avian reticuloendotheliosis viral oncogene homolog A; v-rel reticuloendotheliosis viral oncogene homolog A
Gene Aliases: NFkB; NFKB3; p65; RELA