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04-1008 Anti-NF-κ-B p65 Antibody, clone EP2161Y, rabbit monoclonal

Please note that this product will not be available for sale after March 15, 2015. Please select one of the other antibodies against this target.

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Research Category: Epigenetics & Nuclear Function Research Sub-Category: Transcription Factors Gene Symbol: DKFZp686C01211, EBP-1, KBF1, MGC54151, NF-kappa-B, NF-kappabeta , NFKB-p105 , NFKB-p50 , p105, p50 UniProt Number: P19838
04-1008
100 µL  
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      Species ReactivityKey ApplicationsHostFormatAntibody Type
      HWB, ICC, FCRbCulture SupernatantMonoclonal Antibody
      Description
      Catalogue Number04-1008
      DescriptionAnti-NF-κ-B p65 Antibody, clone EP2161Y, rabbit monoclonal
      Alternate Names
      • DNA binding factor KBF1
      • DNA-binding factor KBF1
      • nuclear factor NF-kappa-B p50 subunit
      • nuclear factor kappa-B DNA binding subunit
      • nuclear factor kappa-B
      • subunit 1
      • nuclear factor of kappa light polypeptide gene enhancer in B-cells 1
      Background InformationThe transcription factor NFkappaB (Nuclear Factor kappa B) is involved in the expression and regulation of a number of important cellular and physiological processes such as growth, development, apoptosis, immune and inflammatory response, and activation of various viral promoters including human immunodeficiency virus long terminal repeats. NFkappaB represents a group of structurally related and evolutionarily conserved proteins related to the proto-oncogene c-Rel with five members in mammals that include Rel (cRel), RelA (p65), RelB, NFkappaB1 (p50 and its precursor p105), and NFkappaB2 (p52 and its precursor p100). NFkappaB/Rel proteins exist as homo- or heterodimers to form transcriptionally competent or repressive complexes. Although most NFkappaB dimers are activators of transcription, the p50/50 and p52/52 homodimers can repress the transcription of their target genes. The p50/p65 heterodimer of NFkappaB is the most abundant in cells.
      References
      Product Information
      FormatCulture Supernatant
      Control
      • HeLa, Daudi, and Jurkat cell lysates
      PresentationRabbit Monoclonal in buffer containing 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl containing 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
      Applications
      ApplicationPlease note that this product will not be available for sale after March 15, 2015. Please select one of the other antibodies against this target.
      Key Applications
      • Western Blotting
      • Immunocytochemistry
      • Flow Cytometry
      Application NotesImmunocytochemistry Analysis: A 1:100-250 dilution from a previous lot was used in IC.
      Flow Cytometry: A 1:30 dilution of a previous lot was used in flow cytometry.
      Biological Information
      ImmunogenPhospho-synthetic peptide corresponding to residues surrounding Ser486 of human NF-κ-B.
      EpitopeSer486
      CloneEP2161Y
      HostRabbit
      SpecificityThis antibody recognizes NF-κ-B.
      IsotypeIgG
      Species Reactivity
      • Human
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Gene Symbol
      • DKFZp686C01211
      • EBP-1
      • KBF1
      • MGC54151
      • NF-kappa-B
      • NF-kappabeta
      • NFKB-p105
      • NFKB-p50
      • p105
      • p50
      Purification MethodUnpurified
      UniProt Number
      UniProt SummaryFUNCTION: 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.
      SUBUNIT STRUCTURE: 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.
      SUBCELLULAR LOCATION: Nucleus. Cytoplasm. Note: Nuclear, but also found in the cytoplasm in an inactive form complexed to an inhibitor (I-kappa-B).
      INDUCTION: By phorbol ester and TNF-alpha.
      DOMAIN: The C-terminus of p105 might be involved in cytoplasmic retention, inhibition of DNA-binding, and transcription activation.
      Glycine-rich region (GRR) appears to be a critical element in the generation of p50.
      PTM: While translation occurs, the particular unfolded structure after the GRR repeat promotes the generation of p50 making it an acceptable substrate for the proteasome. This process is known as cotranslational processing. The processed form is active and the unprocessed form acts as an inhibitor (I kappa B-like), being able to form cytosolic complexes with NF-kappa B, trapping it in the cytoplasm. Complete folding of the region downstream of the GRR repeat precludes processing.
      Phosphorylation at 'Ser-903' and 'Ser-907' primes p105 for proteolytic processing in response to TNF-alpha stimulation. Phosphorylation at 'Ser-927' and 'Ser-932' are required for BTRC/BTRCP-mediated proteolysis.
      Polyubiquitination seems to allow p105 processing.
      S-nitrosylation of Cys-61 affects DNA binding.
      SEQUENCE SIMILARITIES: Contains 7 ANK repeats.
      Contains 1 death domain.
      Contains 1 RHD (Rel-like) domain.
      Molecular Weight~70 kDa
      Physicochemical Information
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blot on HeLa, Daudi, and Jurkat cell lysates.
      Western Blot Analysis: A 1:10,000-20,000 dilution of this antibody was used to detect NF-κ-B in HeLa, Daudi, and Jurkat cell lysates.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at -20ºC from date of receipt. Handling Recommendations: Upon first thaw, and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance. Note: Variability in freezer temperatures below -20°C may cause glycerol containing solutions to become frozen during storage.
      Packaging Information
      Material Size100 µL
      Transport Information
      Supplemental Information
      Specifications
      Global Trade Item Number
      Numero di catalogo GTIN
      04-1008 04053252338649

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      Categorie

      Life Science Research > Antibodies and Assays > Primary Antibodies