Human eIF4G1 Antibody Summary
Accession # Q04637
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Detection of Human eIF4G by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line and Jurkat human acute T cell leukemia cell line. PVDF membrane was probed with 1 µg/mL of Human eIF4G Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4018) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for eIF4G at approximately 220 kDa (as indicated). This experiment was conducted using Immunoblot Buffer Group 1.
Preparation and Storage
- 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.
eIF4G1 (eukaryotic translation Initiation Factor 4 Gamma 1) is an important member of the translation initiation mechanism. It serves as a scaffold for other initiation factors needed for the recruitment of mRNA to the ribosome, including eIF4E, eIF4A, eIF3, and PABP (poly (A)-binding protein). The eIF4E/eIF4G interaction binds to the 5’ m7GTP mRNA cap, while the PABP/eIF4G interaction binds to the poly (A) tail of mRNA. eIF4A is an ATP-dependent RNA helicase. These interactions link the process of poly (A) binding, mRNA cap recognition, and unwinding of secondary structure. In addition when eIF4G is cleaved by a viral protease the majority of host cell mediated translation is diverted to an IRES (internal ribosomal entry site) mediated initiation of translation.
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