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  4. eIF4A3 Antibody (YA1822)

eIF4A3 Antibody (YA1822) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to eIF4A3.

For research use only. We do not sell to patients.

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Top Publications Citing Use of Products
  • WB: Western Blot;
  • IHC-P: Immunohistochemistry-Paraffin;
  • IHC-F: Immunohistochemistry-Frozen;
  • ICC/IF: Immunocytochemistry/Immunofluorescence;
  • IF-Tissue: Immunofluorescence-Tissue;
  • mIHC: Multiplex Immunohistochemical;
  • IP: Immunoprecipitation;
  • ChIP: Chromatin Immunoprecipitation;
  • FC: Flow Cytometry;
  • ELISA: Enzyme Linked Immunosorbent Assay
  • Product Detail

  • Verification Image

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  • Documentation

Description

eIF4A3 Antibody (YA1822) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to eIF4A3.

Host

Rabbit

Clonality

Recombinant, Monoclonal

Molecular Weight
Predicted band size: 47 kDa;
Observed band size: 47 kDa
Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
Species Reactivity
Human, Mouse, Rat
SwissProt ID
Gene ID
Immunogen

A synthesized peptide derived from human eIF4A3 aa34-125.

Application &
Dilution Ratio
Application Dilution Ratio
WB
WB: Western Blot
1:500-1:1000
IHC-P
IHC-P: Immunohistochemistry-Paraffin
1:50-1:100
ICC/IF
ICC/IF: Immunocytochemistry/Immunofluorescence
1:50-1:200
IP
IP: Immunoprecipitation
1:40
FC
FC: Flow Cytometry
1:50-1:100
Sensitivity Endogenous Purity Affinity Chromatography
Conjugation Non-conjugated Modification Unmodified
Isotype IgG  
Appearance

Liquid

Formulation

Supplied in 50mM Tris-Glycine(pH 7.4), 0.15M NaCl, 40%Glycerol, 0.01% sodium azide and 0.05% BSA.

Storage & Stability

Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.

Shipping

Shipping with blue ice.

Verification Image
ALL ICC IHC-P FC
  • Immunocytochemistry analysis of HeLa cells labeling eIF4A3 with eIF4A3 antibody (HY-P82077) at 1/50 dilution. Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 for 10 minutes at room temperature, then blocked with QuickBlock™ Blocking Buffer for Immunol Staining for 10 min at room temperature. Cells were then incubated with eIF4A3 antibody (HY-P82077) at 1/50 dilution in QuickBlock™ Blocking Buffer for Immunol Staining at 4 ℃. Alexa Fluor® 488-conjugated AffiniPure Goat Anti-Rabbit IgG H&L(HY-P8002, Green) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. The Nuclear counterstain was DAPI (Blue).

  • Immunocytochemistry analysis of HeLa cells labeling eIF4A3 with eIF4A3 antibody (HY-P82077) at 1/100 dilution. Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 for 10 minutes at room temperature, then blocked with QuickBlock™ Blocking Buffer for Immunol Staining for 10 min at room temperature. Cells were then incubated with eIF4A3 antibody (HY-P82077) at 1/100 dilution in QuickBlock™ Blocking Buffer for Immunol Staining at 4 ℃. Alexa Fluor® 488-conjugated AffiniPure Goat Anti-Rabbit IgG H&L(HY-P8002, Green) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. The Nuclear counterstain was DAPI (Blue).

  • Immunohistochemical analysis of paraffin-embedded rat spleen tissue using eIF4A3 Antibody. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 8 minutes. The tissues were blocked in QuickBlock for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody at 1/100 dilution in 4℃ overnight. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

  • Immunohistochemical analysis of paraffin-embedded rat spleen tissue using eIF4A3 Antibody. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 8 minutes. The tissues were blocked in QuickBlock for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody at 1/100 dilution in 4℃ overnight. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

  • Flow cytometric analysis of 1X10^6 MCF-7 cells labeling eIF4A3 Antibody (YA1822) (HY-P82077, red). Cells were fixed with 4% paraformaldehyde and permeabilised with 90% methanol. Then stained with the primary antibody at 1/50 dilution for an hour at 4℃. Alexa Fluor® 488-conjugated AffiniPure Goat Anti-Rabbit IgG H&L (HY-P8002) was used as the secondary antibody at 1/1,000 dilution for 30 minutes at 4℃. Rabbit IgG Isotype Control (HY-P80879, blue) was used as the isotype control, cells without incubation with primary antibody were used as the unlabeled control (black).

Background
Function:ATP-dependent RNA helicase (PubMed:16170325). Involved in pre-mRNA splicing as component of the spliceosome (PubMed:11991638, PubMed:22961380, PubMed:28076346, PubMed:28502770, PubMed:29301961). Core component of the splicing-dependent multiprotein exon junction complex (EJC) deposited at splice junctions on mRNAs (PubMed:16170325, PubMed:16209946, PubMed:16314458, PubMed:16923391, PubMed:16931718, PubMed:19033377, PubMed:20479275). The EJC is a dynamic structure consisting of core proteins and several peripheral nuclear and cytoplasmic associated factors that join the complex only transiently either during EJC assembly or during subsequent mRNA metabolism. The EJC marks the position of the exon-exon junction in the mature mRNA for the gene expression machinery and the core components remain bound to spliced mRNAs throughout all stages of mRNA metabolism thereby influencing downstream processes including nuclear mRNA export, subcellular mRNA localization, translation efficiency and nonsense-mediated mRNA decay (NMD). Its RNA-dependent ATPase and RNA-helicase activities are induced by CASC3, but abolished in presence of the MAGOH-RBM8A heterodimer, thereby trapping the ATP-bound EJC core onto spliced mRNA in a stable conformation. The inhibition of ATPase activity by the MAGOH-RBM8A heterodimer increases the RNA-binding affinity of the EJC. Involved in translational enhancement of spliced mRNAs after formation of the 80S ribosome complex. Binds spliced mRNA in sequence-independent manner, 20-24 nucleotides upstream of mRNA exon-exon junctions. Shows higher affinity for single-stranded RNA in an ATP-bound core EJC complex than after the ATP is hydrolyzed. Involved in the splicing modulation of BCL2L1/Bcl-X (and probably other apoptotic genes); specifically inhibits formation of proapoptotic isoforms such as Bcl-X(S); the function is different from the established EJC assembly (PubMed:22203037). Involved in craniofacial development (PubMed:24360810)
Subcellular Localization:Nucleus; Nucleus speckle; Cytoplasm
Expression:
Tissue_specificity:Ubiquitously expressed
Subunit:Identified in the spliceosome C complex (PubMed:11991638, PubMed:22961380, PubMed:28076346, PubMed:28502770, PubMed:29301961). Core component of the mRNA splicing-dependent exon junction complex (EJC); the core complex contains CASC3, EIF4A3, MAGOH or MAGOHB, and RBM8A (PubMed:14730019, PubMed:15034551, PubMed:16170325, PubMed:16314458, PubMed:16923391, PubMed:16931718, PubMed:19033377, PubMed:20479275, PubMed:23917022). Interacts with CASC3, MAGOH, NXF1, RBM8A and ALYREF/THOC4 (PubMed:14730019, PubMed:16170325, PubMed:16495234, PubMed:22961380). Component of the ALYREF/THOC4-EJC-RNA complex; in the complex interacts with MAGOH, RBM8A and THOC4 (via the WXHD motif); these interactions are likely specific to RNA-bound EJC (PubMed:14730019, PubMed:16314458, PubMed:37020021). May interact with NOM1. Interacts with POLDIP3 (PubMed:18423201). Interacts with CWC22 and PRPF19 in an RNA-independent manner (PubMed:22959432, PubMed:22961380, PubMed:23236153, PubMed:24218557). Direct interaction with CWC22 is mediated by the helicase C-terminal domain (PubMed:22959432, PubMed:24218557). Full interaction with CWC22 occurs only when EIF4A3 is not part of the EJC and prevents EIF4A3 binding to RNA. Identified in a complex composed of the EJC core, UPF3B and UPF2. The EJC core can also interact with UPF3A (in vitro) (PubMed:20479275). Interacts with NCBP3 (PubMed:26382858). Interacts with NRDE2 (PubMed:30538148). Interacts with DHX34; the interaction is RNA-independent (PubMed:25220460)
RRID
Database
Research Field

Epigenetics and Nuclear Signaling

Synonyms
DDX48; EIF4A3; eIF4AIII; hNMP 265; NMP 265; NMP265; NUK34
Documentation
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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eIF4A3 Antibody (YA1822)
Cat. No.:
HY-P82077
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