Western blot shows lysates of K562 human chronic myelogenous leukemia cell line, MCF-7 human breast cancer cell line, CTLL-2 mouse cytotoxic T cell line, and NRK rat normal kidney cell line. PVDF membrane was probed ...read more
Simple Western lane view shows lysates of MCF‑7 human breast cancer cell line, loaded at 0.2 mg/mL. A specific band was detected for eIF2 alpha at approximately 42 kDa (as indicated) using 10 µg/mL of Goat ...read more
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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for eIF2 alpha/EIF2S1 Antibody [Unconjugated]
elF2 alpha (eukaryotic translation initiation factor 2 alpha subunit) is a subunit of the elF2 protein, an important regulator of translation initiation. Phosphorylation of elF2 alpha on Ser 52 increases the affinity of elF2 alpha for elF2B, a guanine nucleotide exchange factor needed for the recycling of elF2-GDP to elF2-GTP. Reduction of elF2-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 elF2 alpha kinases.
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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