Anti-EIF2S1 antibody
5
(7 Reviews)
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(49 Publications )
- ICC/IF
Unknown
Immunocytochemistry/ Immunofluorescence - Anti-EIF2S1 antibody (AB26197)
ICC/IF image of ab26197 stained human HeLa cells. The cells were 4% PFA fixed (10 min), permabilised in TBS-T (20 min) and incubated with the antibody (ab26197, 1µg/ml) for 1h at room temperature. 1%BSA / 10% normal goat serum / 0.3M glycine was used to quench autofluorescence and block non-specific protein-protein interactions. The secondary antibody (green) was Alexa Fluor® 488 goat anti-rabbit IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red). DAPI was used to stain the cell nuclei (blue).
- WB
Project
Western blot - Anti-EIF2S1 antibody (AB26197)
ab26197 detects a band of ~ 36 kDa in HeLa, Jurkat and A431 whole cell lysates. This corresponds to the predicted molecular weight for eIF2 alpha according to Swiss prot. A number of other bands are detected at ~ 48, 23 and 15 kDa. We do not know the identity of these bands and we predict they represent non-specific binding.
All lanes:
Western blot - Anti-EIF2S1 antibody (ab26197) at 1 µg/mL
Lane 1:
HeLa whole cell lysate at 20 µg
Lane 2:
Western blot - Jurkat whole cell lysate (<a href='/en-us/products/cell-lysates/jurkat-whole-cell-lysate-ab7899'>ab7899</a>) at 20 µg
Lane 3:
Western blot - A-431 whole cell lysate (<a href='/en-us/products/cell-lysates/a-431-whole-cell-lysate-ab7909'>ab7909</a>) at 20 µg
Secondary
All lanes:
Goat polyclonal to Rabbit IgG (Alexa Fluor® 680) at 1/10000 dilution
Predicted band size: 36 kDa
Observed band size: 36 kDa
false
- WB
Project
Western blot - Anti-EIF2S1 antibody (AB26197)
All lanes:
Western blot - Anti-EIF2S1 antibody (ab26197) at 1 µg/mL
Lane 1:
Western blot - NIH/3T3 whole cell lysate (<a href='/en-us/products/cell-lysates/nih-3t3-whole-cell-lysate-ab7179'>ab7179</a>) at 10 µg
Lane 2:
MEF1 (Mouse embryonic fibroblast cell line) Whole Cell Lysate at 10 µg
Secondary
All lanes:
IRDye 680 Conjugated Goat Anti-Rabbit IgG (H+L) at 1/10000 dilution
Predicted band size: 36 kDa
Observed band size: 36 kDa
false
Reactivity data
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Supplementary information
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Biological function summary
EIF2α acts as a regulatory component of the eIF2 complex which is central to initiating translation in eukaryotic cells. Phosphorylation of eIF2α leads to inhibition of the exchange of GDP to GTP on eIF2 effectively reducing global protein synthesis while allowing the translation of specific mRNAs involved in stress responses. The eIF2α forms part of the eIF2 complex working closely with other subunits to exert its regulatory functions.
Pathways
EIF2α is involved in the integrated stress response (ISR) and other protein synthesis pathways. The phosphorylation state of eIF2α is important in ISR linking it to proteins such as PERK and GCN2 which respond to various stress signals. Phospho-eIF2α plays a significant role in modulating the translation response to cellular stress ensuring cells can adapt or initiate apoptosis depending on the conditions.
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Publications (49)
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The Journal of cell biology 223: PubMed39150520
2024
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Current biology : CB 34:1390-1402.e4 PubMed38428416
2024
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Molecular cell 84:506-521.e11 PubMed38159565
2024
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Experimental and therapeutic medicine 26:508 PubMed37840563
2023
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Nature communications 14:5535 PubMed37684277
2023
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The American journal of pathology 193:1528-1547 PubMed37422147
2023
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The American journal of pathology 193:1548-1567 PubMed37419385
2023
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Open biology 13:230008 PubMed37042114
2023
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International journal of molecular sciences 24: PubMed36835532
2023
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Neural regeneration research 18:1750-1756 PubMed36751801
2023
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