4U1E

Crystal structure of the eIF3b-CTD/eIF3i/eIF3g-NTD translation initiation complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	I	Eukaryotic translation initiation factor 3 subunit I	polymer	347	38803.4	1	UniProt (A6ZMK5) In PDB	Saccharomyces cerevisiae (Baker's yeast)	eIF3i,Eukaryotic translation initiation factor 3 39 kDa subunit homolog,eIF-3 39 kDa subunit homolog
2	B	Eukaryotic translation initiation factor 3 subunit B	polymer	47	5677.4	1	UniProt (P06103) In PDB	Saccharomyces cerevisiae (Baker's yeast)	eIF3b,Cell cycle regulation and translation initiation protein,Eukaryotic translation initiation factor 3 90 kDa subunit,eIF3 p90,Translation initiation factor eIF3 p90 subunit
3	G	Eukaryotic translation initiation factor 3 subunit G	polymer	138	15530.7	1	UniProt (Q04067) Pfam (PF12353) In PDB	Saccharomyces cerevisiae (Baker's yeast)	eIF3g,Eukaryotic translation initiation factor 3 RNA-binding subunit,eIF-3 RNA-binding subunit,Translation initiation factor eIF3 p33 subunit,eIF3 p33
4		water	water		18.0	203	Chemie (HOH)

Sequence modifications

B: 655 - 698 (UniProt: P06103)

PDB	External Database	Details
Ser 652	-	expression tag
Asn 653	-	expression tag
Ala 654	-	expression tag

G: 1 - 135 (UniProt: Q04067)

PDB	External Database	Details
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	60011.5
All*	Total formula weight	60011.5

*Water molecules are not included.