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5K1H

eIF3b relocated to the intersubunit face to interact with eIF1 and below the eIF2 ternary-complex. from the structure of a partial yeast 48S preinitiation complex in closed conformation.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(B)
Eukaryotic translation initiation factor 3 subunit Bpolymer57666975.11UniProt (P55884)
Pfam (PF00076)
Pfam (PF08662)
Homo sapiens (Human)eIF3b,Eukaryotic translation initiation factor 3 subunit 9,Prt1 homolog,hPrt1,eIF-3-eta,eIF3 p110,eIF3 p116
2B
(A)
eIF3a C-terminal tailpolymer544613.71Oryctolagus cuniculus (Rabbit)
Sequence modifications
B: 73 - 648 (UniProt: P55884)
PDBExternal DatabaseDetails
Ser 403Thr 500conflict
Ser 499Asn 596conflict
Ser 506Ile 603conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight71588.8
All*Total formula weight71588.8
*Water molecules are not included.

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PDB entries from 2025-06-11

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