43S preinitiation complex
= 43S preinitiation complex
{wiki=43S_preinitiation_complex}
The 43S pre-initiation complex (PIC) is a crucial assembly in the process of translation initiation in eukaryotic cells. It is formed before the start of protein synthesis and plays a key role in the recognition of the mRNA and the recruitment of the ribosomal subunits necessary for translation.