Product Details

Full Product Name

Rabbit anti-Homo sapiens (Human) NCBP1 Polyclonal antibody

Uniprot No.

Q09161

Target Names

NCBP1

Alternative Names

Nuclear cap-binding protein subunit 1 (80 kDa nuclear cap-binding protein) (CBP80) (NCBP 80 kDa subunit), NCBP1, CBP80 NCBP

Raised in

Rabbit

Species Reactivity

Homo sapiens

Immunogen

Recombinant Homo sapiens NCBP1 protein

Immunogen Species

Homo sapiens (Human)

Conjugate

Non-conjugate

Clonality

Polyclonal

Isotype

IgG

Purification Method

Antigen Affinity Purified

Concentration

It differs from different batches. Please contact us to confirm it.

Buffer

Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4

Form

Liquid

Tested Applications

ELISA, WB (ensure identification of antigen)

Protocols

ELISA Protocol

Troubleshooting and FAQs

Antibody FAQs

Storage

Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.

Value-added Deliverables

① 200ug * antigen (positive control);
② 1ml * Pre-immune serum (negative control);

Quality Guarantee

① Antibody purity can be guaranteed above 90% by SDS-PAGE detection;
② ELISA titer can be guaranteed 1: 64,000;
③ WB validation with antigen can be guaranteed positive;

Lead Time

Made-to-order (12-14 weeks)

Usage

For Research Use Only. Not for use in diagnostic or therapeutic procedures.

Related Products

Target Background

Function

Component of the cap-binding complex (CBC), which binds cotranscriptionally 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 and is 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, NCBP1/CBP80 does not bind directly capped RNAs (m7GpppG-capped RNA) but is required to stabilize the movement of the N-terminal loop of NCBP2/CBP20 and lock the CBC into a high affinity cap-binding state with the cap structure. Associates with NCBP3 to form an alternative cap-binding complex (CBC) which plays a key role in mRNA export and is particularly important in cellular stress situations such as virus infections. The conventional CBC with NCBP2 binds both small nuclear RNA (snRNA) and messenger (mRNA) and is involved in their export from the nucleus whereas the alternative CBC with NCBP3 does not bind snRNA and associates only with mRNA thereby playing a role only in mRNA export. NCBP1/CBP80 is required for cell growth and viability.

Gene References into Functions

Study proposes the existence of an alternative cap-binding complex involving NCBP1 and NCBP3 that plays a key role in mRNA biogenesis. PMID: 26382858
down-regulation of CTIF using a small interfering RNA causes a redistribution of CBP80 from polysome fractions to subpolysome fractions, without significant consequence to eIF4E distribution PMID: 22493286
Cellular processes by which CBP80-CBP20 -bound messenger ribonucleoproteins (mRNPs) are remodeled to eIF4E-bound mRNPs, are overviewed. PMID: 21447822
Viral mRNA associates with the influenza virus A NS1 and the cellular NCBP1 of the nuclear cap-binding complex. PMID: 21402597
UPF1 binds PTC-containing mRNA more efficiently than the corresponding PTC-free mRNA in a way that is promoted by the UPF1-CBP80 interaction. PMID: 20691628
crystal structure at 2.1 A resolution of CBP20 and CBP80 bound to an m(7)GpppG cap analogue PMID: 12374755
Structural basis of m7GpppG binding to the nuclear cap-binding protein complex. PMID: 12434151
The organization of the CBP80-CBP20 complex suggests how the activity of eIF4G in translation initiation could be regulated through a dynamic network of overlapping intra- and intermolecular interactions. PMID: 16156639
During nonsense-mediated mRNA decay, CBP80 interacts with Upf1 and promotes the interaction of Upf1 with Upf2 but not with Stau1. PMID: 16186820
Association of CBC with PARN might have importance in the regulated recruitment of PARN to the nonsense-mediated decay pathway during the pioneer round of translation. PMID: 16317009
We show that NELF interacts with the nuclear cap binding complex (CBC), a heterodimeric, multifunctional factor that plays important roles in several mRNA processing steps, and the two factors together participate in the 3' end processing of histone mRNAs PMID: 17499042
The authors could distinguish two tyrosines, Y43 and Y20, in stabilization of the cap inside the cap-binding complex binding pocket. PMID: 19026660
a new MIF4G domain-containing protein, CTIF (CBP80/20-dependent translation initiation factor) that interacts directly with CBP80 and is part of the CBP80/20-dependent translation initiation complex PMID: 19648179
resolution X-ray structure for a cap-binding complex (CBC)-importin-alpha complex that provides a detailed picture for how importin-alpha binds to the CBP80 subunit of the CBC. PMID: 19668212

Hide All

Subcellular Location

Nucleus. Cytoplasm.

Protein Families

NCBP1 family

Database Links

HGNC: 7658

OMIM: 600469

KEGG: hsa:4686

STRING: 9606.ENSP00000364289

UniGene: Hs.595669

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NCBP1 Antibody

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