Anti-NCBP2 Antibody


Reactivity: Human
Applications: ELISA,IHC
Conjugation: Various

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Rabbit Anti-NCBP2 Antibody (CSB-PA015521ESR2HU)


Alternative names:

20 kDa nuclear cap-binding protein Antibody,Cell proliferation-inducing gene 55 protein Antibody,NCBP 20 kDa subunit Antibody,CBP20 Antibody,NCBP-interacting protein 1 Antibody,NIP1 Antibody,NCBP2 Antibody,CBP20 Antibody,PIG55 Antibody

More alternative names for the antibody
20 kDa nuclear cap binding protein antibody|CBC2 antibody|CBP20 antibody|Cell proliferation inducing gene 55 protein antibody|NCBP 2 antibody|NCBP 20 kDa subunit antibody|NCBP interacting protein 1 antibody|NIP1 antibody|Nuclear cap binding protein subunit 2 antibody|PIG55 antibody
Anti-NCBP2 antibody (ab91560)
Close sc-137123|sc-48793|

Recommended applications: ELISA, IHC

Recommended dilution: Recommended dilution:IHC:1:20-1:200

Recommended protocols: check protocols


Anti-NCBP2 Antibody

Catalogue No.





Recombinant human Nuclear cap-binding protein subunit 2 protein (1-156AA)





Recommended dilution

Recommended dilution:IHC:1:20-1:200







Molecular weight

18 kDa


Antigen Affinity Purified


Shipped at 4 Celcius Degree. Upon delivery aliquot and store at -20 Celcius Degree or -80 Celcius Degree. Avoid repeated freeze.

Database links

Entrez Gene:22916( Human), Entrez Gene:68092( Mouse), Omim:605133( Human), SwissProt:P52298( Human), SwissProt:Q9CQ49( Mouse), Unigene:591671( Human)

Protein function

Component of the cap-binding complex (CBC), which binds co-transcriptionally to the 5′ cap of pre-mRNAs and is involved in various processes such as pre-mRNA splicing, translation regulation, nonsense-mediated mRNA decay, RNA-mediated gene silencing (RNAi) by microRNAs (miRNAs) and mRNA export. The CBC complex is involved in mRNA export from the nucleus via its interaction with ALYREF/THOC4/ALY, leading to the recruitment of the mRNA export machinery to the 5′ end of mRNA and to mRNA export in a 5′ to 3′ direction through the nuclear pore. The CBC complex is also involved in mediating U snRNA and intronless mRNAs export from the nucleus. The CBC complex is essential for a pioneer round of mRNA translation, before steady state translation when the CBC complex is replaced by cytoplasmic cap-binding protein eIF4E. The pioneer round of mRNA translation mediated by the CBC complex plays a central role in nonsense-mediated mRNA decay (NMD), NMD only taking place in mRNAs bound to the CBC complex, but not on eIF4E-bound mRNAs. The CBC complex enhances NMD in mRNAs containing at least one exon-junction complex (EJC) via its interaction with UPF1, promoting the interaction between UPF1 and UPF2. The CBC complex is also involved in ‘failsafe’ NMD, which is independent of the EJC complex, while it does not participate in Staufen-mediated mRNA decay (SMD). During cell proliferation, the CBC complex is also involved in microRNAs (miRNAs) biogenesis via its interaction with SRRT/ARS2, thereby being required for miRNA-mediated RNA interference. The CBC complex also acts as a negative regulator of PARN, thereby acting as an inhibitor of mRNA deadenylation. In the CBC complex, NCBP2/CBP20 recognizes and binds capped RNAs (m7GpppG-capped RNA) but requires NCBP1/CBP80 to stabilize the movement of its N-terminal loop and lock the CBC into a high affinity cap-binding state with the cap structure. The conventional cap-binding complex with NCBP2 binds both small nuclear RNA (snRNA) and messenger (mRNA) and is involved in their export from the nucleus (PubMed:26382858). .

Protein sequence and domain

Belongs to the RRM NCBP2 family.

Protein cellular localization

Nucleus . Cytoplasm .

Research area

All research areas>Transcription Regulators>CBP20
(View all antibody categories related to Transcription Regulators)


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Product type

Primary antibody


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