eIF4G1 overexpression 293T lysate (whole cell)

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

EIF4G1 also known as eukaryotic translation initiation factor 4 gamma 1 plays an important role in protein synthesis by acting as a scaffold for various other components of the initiation complex. This protein physically binds with eIF4E eIF4A and the poly(A)-binding protein aiding in the recruitment of ribosomes to the mRNA. eIF4G1 has a molecular weight of approximately 180 kDa and is expressed in various tissues including brain heart and skeletal muscle.

Biological function summary

EIF4G1 functions as part of the eIF4F complex facilitating the initiation of cap-dependent translation. This process directly affects the synthesis of proteins that are important for growth and cell cycle progression. As an important component in translation eIF4G1 coordinates interactions between mRNA and ribosomes ensuring efficient translation initiation and progression.

Pathways

EIF4G1 is significant in the mTOR and MAPK signaling pathways. These pathways regulate various cellular processes such as cell growth proliferation and survival. eIF4G1 interacts with related proteins like eIF4E which binds the 5' cap of mRNA and eIF4A an RNA helicase both critical in these signaling cascades.

EIF4G1 has been associated with neurodegenerative diseases like Parkinson's disease and certain types of cancer. Mutations or dysregulation can alter protein synthesis rates and lead to the development of disease phenotypes. In Parkinson's disease the interplay between eIF4G1 and other proteins like alpha-synuclein provides insight into the cellular mechanisms underlying disease progression highlighting eIF4G1 as a potential therapeutic target.