4UER:
reference: Structure of a yeast 40S-eIF1-eIF1A-eIF3-eIF3j initiation complex., Aylett CH, Boehringer D, Erzberger JP, Schaefer T, Ban N, Nat Struct Mol Biol. 2015 Mar;22(3):269-71. doi: 10.1038/nsmb.2963. Epub 2015 Feb, 9. PMID: 25664723

This OCA Structure page
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