Nuclear factor NF-kappa-B p105 subunit (Protein name
), NFKB1_CANFA from NCBI database.
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General Annotation
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Antigen Annotation
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Gene name:
NFKB1;
Protein name:
Nuclear factor NF-kappa-B p105 subunit;
Alternative:
Nuclear factor of kappa light polypeptide gene enhancer in B-cells 1;
Organism:
Dog (Canis familiarisCanis lupus familiaris).
General Annotation
Sub Unit:
Component of the NF-kappa-B p65-p50 complex. Component of the NF-kappa-B p65-p50 complex. Homodimer; component of the NF-kappa-B p50-p50 complex. Component of the NF-kappa-B p105-p50 complex. Component of the NF-kappa-B p50-c-Rel complex. Component of a complex consisting of the NF-kappa-B p50-p50 homodimer and BCL3. Also interacts with MAP3K8. NF-kappa-B p50 subunit interacts with NCOA3 coactivator, which may coactivate NF-kappa-B dependent expression via its histone acetyltransferase activity. Interacts with DSIPI; this interaction prevents nuclear translocation and DNA-binding. Interacts with SPAG9 and UNC5CL. NFKB1/p105 interacts with CFLAR; the interaction inhibits p105 processing into p50. NFKB1/p105 forms a ternary complex with MAP3K8 and TNIP2. Interacts with GSK3B; the interaction prevents processing of p105 to p50. NFKB1/p50 interacts with NFKBIE. NFKB1/p50 interacts with NFKBIZ. Nuclear factor NF-kappa-B p50 subunit interacts with NFKBID (By similarity). Directly interacts with MEN1.
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 RelB-p50 complexes are transcriptional activators. The NF-kappa-B p50-p50 homodimer is a transcriptional repressor, but can act as a transcriptional activator when associated with BCL3. NFKB1 appears to have dual functions such as cytoplasmic retention of attached NF-kappa-B proteins by p105 and generation of p50 by a cotranslational processing. The proteasome-mediated process ensures the production of both p50 and p105 and preserves their independent function, although processing of NFKB1/p105 also appears to occur post-translationally. p50 binds to the kappa-B consensus sequence 5'-GGRNNYYCC-3', located in the enhancer region of genes involved in immune response and acute phase reactions. In a complex with MAP3K8, NFKB1/p105 represses MAP3K8-induced MAPK signaling; active MAP3K8 is released by proteasome-dependent degradation of NFKB1/p105.
Subcellular Location:
Nucleus
Cytoplasm
Nuclear, but also found in the cytoplasm in an inactive form complexed to an inhibitor (I-kappa-B).
Monoclonal Antibody for Dog Nuclear factor NF-kappa-B p105 subunit
Monoclonal Antibody for Dog Nuclear factor NF-kappa-B p105 subunit
Monoclonal Antibody for Dog Nuclear factor NF-kappa-B p105 subunit
Monoclonal Antibody for Dog Nuclear factor NF-kappa-B p105 subunit
Monoclonal Antibody for Dog Nuclear factor NF-kappa-B p105 subunit
Protein for Dog Nuclear factor NF-kappa-B p105 subunit
Protein for Dog Nuclear factor NF-kappa-B p105 subunit
Protein for Dog Nuclear factor NF-kappa-B p105 subunit
Protein for Dog Nuclear factor NF-kappa-B p105 subunit
Protein for Dog Nuclear factor NF-kappa-B p105 subunit
R&D Technical Data
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Precision
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Recovery
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Linearity
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References
1.
"Canis familiaris nuclear factor of kappa light polypeptide gene enhancer in B-cells 1 (p105) (NFKB1), mRNA." Oguma K.
,
Kano R.
,
Hasegawa A.
Submitted (2004-07) to the EMBL/GenBank/DDBJ databases
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Cited for: NUCLEOTIDE SEQUENCE [MRNA]