Recombinant Phospho-eIF2α (Ser51) Monoclonal Antibody (AN300145L)
For research use only.
| Verified Samples | Verified Samples in WB: Hela, NIH-3T3 |
| Dilution | WB 1:1000-1:10000, |
| Isotype | IgG |
| Host | Rabbit |
| Reactivity | Human |
| Applications | WB |
| Clonality | Rabbit Monoclonal |
| Immunogen | A synthetic phosphopeptide corresponding to residues around Ser51 of human Phospho-eIF2α. |
| Abbre | EIF2S1 |
| Synonyms | EIF2S, EIF, EIF-2, EIF-2A, EIF-2alpha, EIF2, EIF2A, EIF2S1, EIF 2, EIF 2 alpha, EIF 2A, EIF 2alpha, EIF2 alpha, eIF-2-alpha, Eukaryotic translation initiation factor 2 subunit 1, Eukaryotic translation initiation factor 2 subunit 1 alpha, Eukaryotic translation initiation factor 2 subunit 1 alpha 35kDa, Eukaryotic translation initiation factor 2 subunit alpha, IF2A |
| Swissprot | |
| Calculated MW | 36 kDa |
| Observed MW |
36 kDa
Western blotting is a method for detecting a certain protein in a complex sample based on the specific binding of antigen and antibody. Different proteins can be divided into bands based on different mobility rates. The mobility is affected by many factors, which may cause the observed band size to be inconsistent with the expected size. The common factors include: 1. Post-translational modifications: For example, modifications such as glycosylation, phosphorylation, methylation, and acetylation will increase the molecular weight of the protein. 2. Splicing variants: Different expression patterns of various mRNA splicing bodies may produce proteins of different sizes. 3. Post-translational cleavage: Many proteins are first synthesized into precursor proteins and then cleaved to form active forms, such as COL1A1. 4. Relative charge: the composition of amino acids (the proportion of charged amino acids and uncharged amino acids). 5. Formation of multimers: For example, in protein dimer, strong interactions between proteins can cause the bands to be larger. However, the use of reducing conditions can usually avoid the formation of multimers. If a protein in a sample has different modified forms at the same time, multiple bands may be detected on the membrane. |
| Concentration | 1 mg/mL |
| Buffer | 10 mM sodium HEPES, 150 mM NaCl, 100 μg/mL protein protectant, 50% glycerol, pH 7.5 |
| Purification Method | Protein A |
| Research Areas | Epigenetics and Nuclear Signaling |
| Clone No. | 4B11 |
| Conjugation | Unconjugated |
| Storage | This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -80℃. Preservative-Free. Avoid repeated freeze-thaw cycles. |
| Shipping | Ice bag |
| background | The translation initiation factor EIF2 catalyzes the first regulated step of protein synthesis initiation, promoting the binding of the initiator tRNA to 40S ribosomal subunits. Binding occurs as a ternary complex of methionyl-tRNA, EIF2, and GTP. EIF2 is composed of 3 nonidentical subunits, the 36-kD EIF2-alpha subunit (EIF2S1), the 38-kD EIF2-beta subunit (EIF2S2; MIM 603908), and the 52-kD EIF2-gamma subunit (EIF2S3; MIM 300161). The rate of formation of the ternary complex is modulated by the phosphorylation state of EIF2-alpha (Ernst et al., 1987 [PubMed 2948954]).[supplied by OMIM, Feb 2007] |
Other Clones
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Unconjugated
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