eIF4E Recombinant Protein Antigen

• Reactivity: Hu
• Applications: AC

eIF4E Recombinant Protein Antigen Summary

• Description: A recombinant protein antigen with a N-terminal His6-ABP tag corresponding to human eIF4E.

  Source: E. coli

  Amino Acid Sequence: MATVEPETTPTPNPPTTEEEKTESNQEVANPEHYIKHP

  Fusion Tag: N-terminal His6ABP (ABP = Albumin Binding Protein derived from Streptococcal Protein G)

  This product is intended to be used as a blocking antigen for antibody competition assays. Any other use of this antigen is done at the risk of the user. The use of this product for commercial production is strictly prohibited. Please contact technical support if you have any questions.

• Source: E. coli
• Protein/Peptide Type: Recombinant Protein Antigen
• Gene: EIF4E
• Purity: >80% by SDS-PAGE and Coomassie blue staining

Applications/Dilutions

• Dilutions:
  • Antibody Competition 10 - 100 molar excess
• Application Notes: This recombinant antigen is only intended to be used as a blocking agent to confirm antibody specificity with the corresponding antibody, catalog number NBP2-57098.

  It is purified by IMAC chromatography, and the expected concentration is greater than 0.5 mg/ml.

  For current lot information, including availability, please contact our technical support team click nb-technical@bio-techne.com

• Theoretical MW: 22 kDa.
  Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

• Storage: Store at -20C. Avoid freeze-thaw cycles.
• Buffer: PBS and 1M Urea, pH 7.4.
• Preservative: No Preservative
• Purity: >80% by SDS-PAGE and Coomassie blue staining

Alternate Names for eIF4E Recombinant Protein Antigen

• CBP
• eIF4E
• eIF-4E
• EIF4E1
• EIF4EL1
• EIF4EL1MGC111573
• eIF-4F 25 kDa subunit
• EIF4F
• eukaryotic translation initiation factor 4E
• eukaryotic translation initiation factor 4E-like 1
• mRNA cap-binding protein

Background

eIF-4E is a eukaryotic translation initiation factor involved in directing ribosomes to the cap structure of mRNAs. It exists in two forms: as a free form (25 kDa) and as part of a multiprotein complex eIF-4F (1). eIF-4E appears to be the least abundant of the initiation factors and acts as a rate-limiting step of initiation (2). Since translation is regulated by phosphorylation, eIF-4E phosphorylation at Ser 209 by MAPK signal-integrating kinase 1 (Mnk1) and kinase 2 (Mnk2) may directly regulate the rate of protein synthesis initiation (3). There is also evidence that eIF-4E can function as an oncogene (4-5).

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 3 months from date of receipt.

Bioinformatics

• Gene Symbol: EIF4E