# eukaryotic 43S preinitiation complex

> protein complex composed of the 40S ribosomal subunit plus eIF1A, eIF3, and eIF2-GTP-bound methionyl-initiator methionine tRNA

**Wikidata**: [Q21100819](https://www.wikidata.org/wiki/Q21100819)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/43S_preinitiation_complex)  
**Source**: https://4ort.xyz/entity/eukaryotic-43s-preinitiation-complex


## References

1. Gene Ontology release 2019-10-07
2. UMLS 2023