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eIF2a(phospho-Ser49) Antibody#11511

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Product Detail

Product NameeIF2a(phospho-Ser49) Antibody

Host SpeciesRabbit

ClonalityPolyclonal

PurificationAntibodies were produced by immunizing rabbits with synthetic phosphopeptide and KLH conjugates. Antibodies were purified by affinity-chromatography using epitope-specific phosphopeptide. Non-phospho specific antibodies were removed by chromatogramphy using non-phosphopeptide.

ApplicationsWB IHC IF

Species ReactivityHu Ms Rt

SpecificityThe antibody detects endogenous level of eIF2a only when phosphorylated at Serine 49.

Immunogen TypePeptide-KLH

Immunogen DescPeptide sequence around phosphorylation site of Serine 49 (L-L-S(p)-E-L) derived from Human eIF2a.

Target NameeIF2a

ConjugateUnconjugated

Other NamesEukaryotic translation initiation factor 2 subunit alpha

Accession NoSwiss-Prot: P05198
NCBI Protein: NP_004085.1

Uniprot P05198

Gene ID 1965;

Concentration1.0mg/ml

FormulationSupplied at 1.0mg/mL in phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.

StorageStore at -20°C for long term preservation (recommended). Store at 4°C for short term use.

Application Details

Predicted MW: 38kd
Western blotting: 1:500~1:1000
Immunohistochemistry: 1:50~1:100
Immunofluorescence: 1:100~1:200

Western blot analysis of extracts from Hela cells untreated or treated with starvation using eIF2a(phospho-Ser49) Antibody #11511.
Immunohistochemical analysis of paraffin-embedded human breast carcinoma tissue using eIF2α (Phospho-Ser49) Antibody #11511 (left) or the same antibody preincubated with blocking peptide #51511 (right).
Immunofluorescence staining of methanol-fixed Hela cells using eIF2a(phospho-Ser49) Antibody #11511.
Immunohistochemical analysis of paraffin-embedded human lung carcinoma tissue, using eIF2α (Phospho-Ser49) Antibody #11511.

Functions in the early steps of protein synthesis by forming a ternary complex with GTP and initiator tRNA. This complex binds to a 40S ribosomal subunit, followed by mRNA binding to form a 43S preinitiation complex. Junction of the 60S ribosomal subunit to form the 80S initiation complex is preceded by hydrolysis of the GTP bound to eIF-2 and release of an eIF-2-GDP binary complex. In order for eIF-2 to recycle and catalyze another round of initiation, the GDP bound to eIF-2 must exchange with GTP by way of a reaction catalyzed by eIF-2B.

Kimball, S.R. (1999) Int. J. Biochem. Cell Biol. 31, 25-29.
De Haro, C. et al. (1996) FASEB J. 10, 1378-1387.
Sheikh, M.S. and Fornace Jr., A.J. (1999) Oncogene 18, 6121-6128.
Cheshire, J.L. et al. (1999) J. Biol. Chem. 274, 4801-4806.

If you have published an article using product 11511, please notify us so that we can cite your literature.

NOTE

Application

  • WBWestern Blotting
  • IHCImmunohistochemistry
  • IFImmunofluorescence
  • ICCImmunocytochemistry
  • FCFlow Cytometry
  • IPImmunoprecipitation
  • EELISA
  • DBDot Blotting
  • ChIPChromatin Immunoprecipitation
  • GICAGold Immunochromatography Assay
  • NCNegative Control

Species Reactivity

  • HuHuman
  • MsMouse
  • RtRat
  • DmDrosophila melanogaster
  • CCaenorhabditis elegans
  • MkMonkey
  • RbRabbit
  • BBovine
  • DDog
  • PPig
  • HmHamster
  • ChHmChinese Hamster
  • ChkChicken
  • ShpSheep
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