Hamburger Menu Button
Thermo Fisher Scientific Logo
Sign in
Don't have an account ? Create Account
  • Products
    • Antibodies
    • Custom DNA Oligos
    • GeneArt Gene Synthesis Instant Designer
    • TaqMan Assay and Array Search
    • PCR Equipment and Supplies
    • Chromatography Columns and Cartridges
    • Lab Centrifuges
    • Molecular Biology Reagents and Kits
    • Lab Plasticware and Supplies
    • See all product categories
  • Applications
    • Chromatography
    • Cell Culture
    • Real-Time PCR
    • Mass Spectrometry
    • Lab Plasticware and Supplies
    • Electron Microscopy
    • Protein Biology
    • PCR
    • RNAi
    • Environmental
    • See all applications and techniques
  • Services
    • Custom Services
    • Enterprise-Level Lab Informatics
    • Enterprise Services
    • Financial and Leasing Services
    • Instrument Services
    • OEM and Commercial Supply
    • Training Services
    • 360° CDMO and CRO Solutions
    • CDMO Services
    • CRO Services
    • See all services
  • Help and Support
    • Learning Centers
    • Contact Us
    • Change Location
    • See all help and support topics
  • Popular
    • TaqMan Real-Time PCR Assays
      TaqMan Real-Time PCR Assays
    • Antibodies
      Antibodies
    • Oligos, Primers & Probes
      Oligos, Primers & Probes
    • GeneArt Gene Synthesis
      GeneArt Gene Synthesis
    • Cell Culture Plastics
      Cell Culture Plastics
  • Contact Us
  • Quick Order
  • Order Status and Tracking
  • Documents and Certificates
Thermo Fisher Scientific Logo

Search

Search All
Search button
          • Contact Us
          • Quick Order
          • Sign in
            Sign in
            Don't have an account ? Create Account
            • Account
            • Check Order Status
            • AR Statement & Invoice Inquiry
            • Custom Products & Projects
            • Instrument Management

          Disclaimer

          Clicking the images or links will redirect you to a website hosted by BenchSci that provides third-party scientific content. Neither the content nor the BenchSci technology and processes for selection have been evaluated by us; we are providing them as-is and without warranty of any kind, including for use or application of the Thermo Fisher Scientific products presented.

          • Primary Antibodies ›
          • EIF2S1 Antibodies

          Invitrogen

          EIF2S1 Polyclonal Antibody

          Advanced Verification
          3 Published Figures
          4 References
          View all (32) EIF2S1 antibodies

          {{$productOrderCtrl.translations['antibody.pdp.commerceCard.promotion.promotions']}}

          {{$productOrderCtrl.translations['antibody.pdp.commerceCard.promotion.viewpromo']}}

          {{$productOrderCtrl.translations['antibody.pdp.commerceCard.promotion.promocode']}}: {{promo.promoCode}} {{promo.promoTitle}} {{promo.promoDescription}}. {{$productOrderCtrl.translations['antibody.pdp.commerceCard.promotion.learnmore']}}

          Datasheet
          Protocols
          Questions & Answers
          Tech Support
          Datasheet
          Protocols
          Questions & Answers
          Tech Support

          Cite EIF2S1 Polyclonal Antibody

          • Antibody Testing Data (5)
          • Published Figures (3)
          • Advanced Verification (1)
          EIF2S1 Antibody in Immunocytochemistry (ICC/IF)
          Group 53 Created with Sketch.
          EIF2S1 Antibody in Immunocytochemistry (ICC/IF)
          Group 53 Created with Sketch.

          FIGURE: 1 / 9

          {{ $ctrl.currentElement.advancedVerification.fullName }}
          {{ $ctrl.currentElement.advancedVerification.text }}

          EIF2S1 Antibody (PA5-27366) in ICC/IF

          Immunocytochemistry-Immunofluorescence analysis of eIF2a was performed in HeLa cells fixed in 4% paraformaldehyde at RT for 15 min. Green: eIF2a Polyclonal Antibody (Product # PA5-27366) diluted at 1:5000. Blue: Hoechst 33342 staining. Scale bar = 10 µm. {{ $ctrl.currentElement.advancedVerification.fullName }} validation info. View more
          Published figure supplied by benchsci-logo
          PMID: {{$ctrl.currentElement.benchSciPubmedId}}
          View Product

          {{$ctrl.videoDesc}}

          {{$ctrl.videoLongDesc}}

          EIF2S1 Antibody in Immunocytochemistry (ICC/IF)
          EIF2S1 Antibody in Immunocytochemistry (ICC/IF)
          EIF2S1 Antibody in Western Blot (WB)
          EIF2S1 Antibody in Western Blot (WB)
          EIF2S1 Antibody in Western Blot (WB)
          EIF2S1 Antibody in Western Blot (WB)
          EIF2S1 Antibody in Western Blot (WB)
          EIF2S1 Antibody in Western Blot (WB)
          EIF2S1 Antibody

          Product Details

          PA5-27366

          Applications
          Tested Dilution
          Publications

          Western Blot (WB)

          1:1,000-1:10,000
          View 3 publications 3 publications

          Immunocytochemistry (ICC/IF)

          1:100-1:1,000
          -

          Affinity Purification (AP)

          -
          View 1 publication 1 publication
          Product Specifications

          Species Reactivity

          Human, Mouse, Rat

          Published species

          C. elegans, Human

          Host/Isotype

          Rabbit / IgG

          Class

          Polyclonal

          Type

          Antibody

          Immunogen

          Recombinant protein encompassing a sequence within the center region of human eIF2 alpha. The exact sequence is proprietary.

          Conjugate

          Unconjugated Unconjugated Unconjugated

          Form

          Liquid

          Concentration

          0.63 mg/mL

          Purification

          Antigen affinity chromatography

          Storage buffer

          PBS, pH 7, with 20% glycerol

          Contains

          0.025% ProClin 300

          Storage conditions

          Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.

          Shipping conditions

          Ambient (domestic); Wet ice (international)

          RRID

          AB_2544842

          Product Specific Information

          Recommended positive controls: A549, H1299, HCT-116, rat neuron, HeLa, N2a.

          Predicted reactivity: Mouse (98%), Rat (98%), Xenopus laevis (92%), Chicken (97%), Rhesus Monkey (100%), Bovine (98%).

          Store product as a concentrated solution. Centrifuge briefly prior to opening the vial.

          Target Information

          EIF2a (Eukaryotic translation initiation factor 2A) is a heterotrimer composed of three subunits (alpha, beta, and gamma). This translation initiation factor drives binding of initiator methionyl-tRNA to the 40S ribosome in an AUG-dependent manner to form the 43S pre-initiation complex. The polypeptide can be phosphorylated by related protein kinases activated in response to stress. Phosphorylated EIF2A inhibits EIF2B activity and prevents guanine nucleotide exchange.

          For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.

          Bioinformatics

          Protein Aliases: eIF-2-alpha; EIF-2A; EIF-2alpha; eIF2 alpha; Eukaryotic translation initiation factor 2 subunit 1; Eukaryotic translation initiation factor 2 subunit alpha; eukaryotic translation initiation factor 2, subunit 1 alpha, 35kDa; eukaryotic translation initiation factor 2A

          View more View less

          Gene Aliases: 0910001O23Rik; 2410026C18Rik; 35kDa; EIF-2; EIF-2A; EIF-2alpha; EIF2; EIF2A; eIF2alpha; EIF2S1

          View more View less

          UniProt ID: (Human) P05198, (Rat) P68101, (Mouse) Q6ZWX6

          View more View less

          Entrez Gene ID: (Human) 1965, (Rat) 54318, (Mouse) 13665

          View more View less

          Function(s)
          translation initiation factor activity protein binding ribosome binding poly(A) RNA binding nucleic acid binding RNA binding translation initiation factor
          Process(es)
          positive regulation of defense response to virus by host translational initiation aging negative regulation of translational initiation in response to stress cellular response to amino acid starvation cellular response to heat cellular response to UV response to endoplasmic reticulum stress PERK-mediated unfolded protein response protein autophosphorylation transmembrane transport mitophagy in response to mitochondrial depolarization xenophagy positive regulation of neuron death response to manganese-induced endoplasmic reticulum stress positive regulation of type B pancreatic cell apoptotic process translation regulation of translational initiation in response to stress regulation of translation
          It has to be done as per old AB suggested Products section.
          guarantee_icon

          Performance Guarantee

          If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*

          Learn more
          help_icon

          We're here to help

          Get expert recommendations for common problems or connect directly with an on staff expert for technical assistance related to applications, equipment and general product use.

          Contact tech support
          Ordering Plus Icon Minus Icon
          • Order Status
          • Order Help
          • Quick Order
          • Supply Center
          • eProcurement
          Support Plus Icon Minus Icon
          • Help and Support
          • Contact Us - 400 820 8982
          • Technical Support Centers
          • Documents and Certificates
          • Report a Site Issue
          Resources Plus Icon Minus Icon
          • Learning Centers
          • Promotions
          • Events and Webinars
          • Social Media
          About Thermo Fisher Plus Icon Minus Icon
          • About Us About Us
          • Careers Careers
          • Investors Investors
          • News News
          • Social Responsibility Social Responsibility
          • Trademarks
          • Policies and Notices
          Our Portfolio Plus Icon Minus Icon
          • Thermo Scientific
          • Applied Biosystems
          • Invitrogen
          • Gibco
          • Ion Torrent
          • Patheon
          • PPD
          • Terms & Conditions
          • Privacy Policy
          • Price & Freight Policy
          © 2006-2025 Thermo Fisher Scientific Inc. All rights reserved. All trademarks are the property of Thermo Fisher Scientific and its subsidiaries unless otherwise specified.
          China flag icon
          China
          本网站销售的所有产品均不得用于人类或动物之临床诊断或治疗,仅可用于工业或者科研等非医疗目的。
             电子营业执照 | 经营证照公示 | ICP备案号:沪ICP备11003924号 | 沪公网安备 31011502006935号

          Your items have has been added!


          Host server : magellan-search-blue-555ccb4fbd-sfw2w:80/100.66.79.196:80.
          git-commit: 75f0c7d4cb44686da2af39b21f2e6446a20282e2
          git-url: https://github.com/thermofisher/magellan-search
          git-branch: release/2.41.0-2025.12.99-1.0