Transcription factor p65 (Protein name
), TF65_CHICK from NCBI database.
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General Annotation
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Antigen Annotation
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Gene name:
RELA;
Protein name:
Transcription factor p65;
Alternative:
Nuclear factor NF-kappa-B p65 subunit;
Organism:
Chicken (Gallus gallus).
General Annotation
Sub Unit:
Component of the NF-kappa-B p65-p50 complex. Component of the NF-kappa-B p65-c-Rel complex. Component of the NF-kappa-B p65-p105 complex.
Function:
NF-kappa-B is a pleiotropic transcription factor which is present in almost all cell types and is involved in many biological processed such as inflammation, immunity, differentiation, cell growth, tumorigenesis and apoptosis. NF-kappa-B is a homo- or heterodimeric complex formed by the Rel-like domain-containing proteins RELA/p65, RELB, NFKB1/p105, NFKB1/p50, REL and NFKB2/p52 and the heterodimeric p65-p50 complex appears to be most abundant one. The dimers bind at kappa-B sites in the DNA of their target genes and the individual dimers have distinct preferences for different kappa-B sites that they can bind with distinguishable affinity and specificity. Different dimer combinations act as transcriptional activators or repressors, respectively. NF-kappa-B is controlled by various mechanisms of post-translational modification and subcellular compartmentalization as well as by interactions with other cofactors or corepressors. NF-kappa-B complexes are held in the cytoplasm in an inactive state complexed with members of the NF-kappa-B inhibitor (I-kappa-B) family. In a conventional activation pathway, I-kappa-B is phosphorylated by I-kappa-B kinases (IKKs) in response to different activators, subsequently degraded thus liberating the active NF-kappa-B complex which translocates to the nucleus. NF-kappa-B heterodimeric p65-p50 and p65-c-Rel complexes are transcriptional activators. The inhibitory effect of I-kappa-B upon NF-kappa-B in the cytoplasm is exerted primarily through the interaction with p65. p65 shows a weak DNA-binding site which could contribute directly to DNA binding in the NF-kappa-B complex. Associates with chromatin at the NF-kappa-B promoter region via association with DDX1.
Subcellular Location:
Nucleus
Cytoplasm
Nuclear, but also found in the cytoplasm in an inactive form complexed to an inhibitor.
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Cited for: NUCLEOTIDE SEQUENCE [MRNA];IDENTIFICATION IN THE NF-KAPPA-B P65-P50 COMPLEX;IDENTIFICATION IN THE NF-KAPPA-B P65-C-REL COMPLEX;IDENTIFICATION IN THE NF-KAPPA-B P65-P105 COMPLEX
Vaild Sequence:
