Human Phospho-eIF2 alpha (S52) Antibody

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  • Species Reactivity
    Human
  • Specificity
    Detects human Phospho-eIF2 alpha (S52) in ELISAs and Western blots.
  • Source
    Monoclonal Rat IgG2B Clone # 849159
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Phosphopeptide containing the human eIF2 alpha S52 site
    Accession # P05198
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Product Datasheets

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Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Example
Detection of Human Phospho-eIF2 alpha (S52) by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line and HEK293T human embryonic kidney cell line untreated (-) or treated (+) with 100nM Calyculin A and 20 ng/mL Recombinant Human TNF‑ alpha (Catalog # 210-TA) for 10 minutes or 20 mJ/cm2 ultraviolet light (UV) followed by a 30 minute recovery. PVDF membrane was probed with 1 µg/mL of Rat Anti-Human Phospho-eIF2 alpha (S52) Monoclonal Antibody (Catalog # MAB39971) followed by HRP-conjugated Anti-Rat IgG Secondary Antibody (Catalog # HAF005). A specific band was detected for Phospho-eIF2 alpha (S52) at approximately 38 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
  • Reconstitution
    Sterile PBS to a final concentration of 0.5 mg/mL.
    Reconstitution Buffer Available
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: eIF2 alpha
Eukaryotic translation initiation factor 2 alpha subunit (eIF2 alpha ) is a subunit of the eIF2 protein, an important regulator of translation initiation. Phosphorylation of eIF2 alpha on Ser 52 increases the affinity of eIF2 alpha for eIF2B, a guanine nucleotide exchange factor needed for the recycling of eIF2-GDP to eIF2-GTP. Reduction of eIF2-GTP levels leads to the suppression of the overall rate of protein synthesis. Heme-regulated inhibitor (HRI), ER-resident protein kinase PERK, dsRNA activated protein kinase PKR, and the homologue of the S. cerevisiae protein kinase GCN2 are all eIF2 alpha kinases.
  • Long Name:
    Eukaryotic Translation Initiation Factor 2 Alpha
  • Entrez Gene IDs:
    1965 (Human); 13665 (Mouse); 54318 (Rat)
  • Alternate Names:
    eIF2 alpha; EIF2; EIF-2; EIF2A; EIF-2A; EIF-2alpha; EIF2S1 eukaryotic translation initiation factor 2, subunit 1 alpha, 35kDa; EIF2S1
Related Research Areas

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Isotype Controls
Description Application Cat# Citations Images  

Rat IgG2B Isotype Control

Ctrl MAB0061 28  
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Normal Rat IgG Control

Ctrl 6-001-A 11
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Normal Rat IgG Control (Azide Free)

Ctrl 6-001-F 1
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Rat IgG2B Isotype Control

Ctrl MAB0061R
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Reconstitution Buffers
Description Application Cat# Citations Images  

Reconstitution Buffer 1 (PBS)

RB01
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Secondary Antibodies
Description Application Cat# Citations Images  

Rat IgG HRP-conjugated Antibody

WB , Simple Western HAF005 7  
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Goat Anti-Rat F(ab)2 IgG (H+L)
APC-conjugated Antibody

Flow F0113 2  
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Goat Anti-Rat IgG NorthernLights™ NL557-conjugated Antibody

Flow , IHC , ICC NL013 2
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Rat F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0105B 3  
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Goat Anti-Rat IgG Antibody

WB AF005 1
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Goat Anti-Rat IgG Biotinylated Antibody

WB BAF005 2
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Goat Anti-Rat IgG NorthernLights™ NL493-conjugated Antibody

Flow , IHC , ICC NL015 1
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Rat IgG VisUCyte HRP Polymer Antibody

IHC VC005  
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Goat Anti-Rat IgG NorthernLights™ NL637-conjugated Antibody

Flow , IHC , ICC NL014
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Goat Anti-Rat F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0115 1
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Rat F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0104B  
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Average Rating: 5 (Based on 1 review)

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We have 1 review tested in 1 species: Human.
We have 1 review tested in 1 application: Western Blot.

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Images Ratings Applications Species Reviewed By Date Details
Western Blot Human Phospho-eIF2 alpha  (S52) Antibody MAB39971 Array MAB39971
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Excellent
 WB Human Anonymous 05/11/2018
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Western Blot Human Phospho-eIF2 alpha  (S52) Antibody MAB39971
Western Blot: Human Phospho-eIF2 alpha (S52) Antibody [MAB39971].

Summary

Application Western Blot
Sample Tested Western blot
Species Human

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Other Experimental Details works well

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