Component of the eukaryotic translation initiation factor 3 (eIF-3) complex, which is required for several steps in the initiation of protein synthesis. The eIF-3 complex associates with the 40S ribosome and facilitates the recruitment of eIF-1, eIF-1A, eIF-2:GTP:methionyl-tRNAi and eIF-5 to form the 43S preinitiation complex (43S PIC). The eIF-3 complex stimulates mRNA recruitment to the 43S PIC and scanning of the mRNA for AUG recognition. The eIF-3 complex is also required for disassembly and recycling of post-termination ribosomal complexes and subsequently prevents premature joining of the 40S and 60S ribosomal subunits prior to initiation.
Ubiquitous, with the highest levels of expression in brain, testis and kidney.
1 mg of HeLa whole cell lysate was immunoprecipitated using 3µg ab85968. Subsequently, 20% of IP was loaded per lane and probed with ab85968 at 1µg/ml (lane 1) or with a control IgG (lane 2). Detection: chemiluminescence with exposure time of 3 seconds.