Recombinant Rat Nuclear factor NF-kappa-B p105 subunit(Nfkb1)

Code CSB-YP723572RA
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Source Yeast
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Code CSB-EP723572RA
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Source E.coli
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Code CSB-EP723572RA-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP723572RA
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Source Baculovirus
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Code CSB-MP723572RA
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names Nfkb1
Uniprot No. Q63369
Alternative Names Nfkb1; Nuclear factor NF-kappa-B p105 subunit; DNA-binding factor KBF1; EBP-1; Nuclear factor of kappa light polypeptide gene enhancer in B-cells 1) [Cleaved into: Nuclear factor NF-kappa-B p50 subunit]; Fragment
Species Rattus norvegicus (Rat)
Expression Region 1-522
Target Protein Sequence REILNPPEKE TQGEGPSLFM ASTKTEAIAP ASTMEDKEED VGFQDNLFLE KALQLAKRHA NALFDYAVTG DVKMLLAVQR HLTAVQDENG DSVLHLAIIH LHAQLVRDLL EVTSGSISDD IINMRNDLYQ TPLHLAVITK QEDVVEDLLR VGADLSLLDR WGNSVLHLAA KEGHDKILGV LLKNSKAALL INHPNGEGLN AIHIAVMSNS LSCLQLLVAA GAEVNAQEQK SGRTALHLAV EYDNISLAGC LLLEGDALVD STTYDGTTPL HIAAGRGSTR LAALLKAAGA DPLVENFEPL YDLDDSWEKA GEDEGVVPGT TPLDMAANWQ VFDILNGKPY EPVFTSDDIL PQGDIKQLTE DTRLQLCKLL EIPDPDKNWA TLAQKLGLGI LNNAFRLSPA PSKTLMDNYE VSGGTIKELV EALRQMGYTE AIEVIQAAFR TPETTASSPV TTAQAHLLPL SSSSTRQHID ELRDNDSVCD SGVETSFRKL SFSESLTGDG PLLSLNKMPH NYGQDGPIEG KI
Protein Length full length protein
Tag Info The following tags are available.
N-terminal His-tagged
Tag-Free
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Data

Function NF-kappa-B is a pleiotropic transcription factor present in almost all cell types and is the endpoint of a series of signal transduction events that are initiated by a vast array of stimuli related to many biological processes 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. Plays a role in the regulation of apoptosis. Isoform 5, isoform 6 and isoform 7 act as inhibitors of transactivation of p50 NF-kappa-B subunit, probably by sequestering it in the cytoplasm. Isoform 3 (p98) (but not p84 or p105) acts as a transactivator of NF-kappa-B-regulated gene expression. In a complex with MAP3K8, NFKB1/p105 represses MAP3K8-induced MAPK signaling; active MAP3K8 is released by proteasome-dependent degradation of NFKB1/p105 (By similarity).
Subcellular Location Nucleus, Cytoplasm
Database Links

STRING: 10116.ENSRNOP00000028944

UniGene: Rn.2411

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