P55884 (EIF3B_HUMAN) Homo sapiens (Human)

Eukaryotic translation initiation factor 3 subunit B UniProtKBInterProSTRINGInteractive Modelling

814 aa; Sequence (Fasta) ; (Isoform 2)

Available Structures

20 Experimental Structures

DescriptionPDB IDOligo-stateRangeSeq id (%)Ligands
Structure of a human 48S translational initiation complex Heteromer
O00303; O15371; O15372; O75821; O75822; P05198; P08708; P08865; P15880; P20042; P23396; P25398; P39019; P41091; P41567; P42677; P46781; P46782; P46783; P47813; P60228; P60842; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q04637; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
170-764
100.0ZN; 89×MG;
Structure of human 48S translation initiation complex after eIF2 release prior 60S subunit joining … Heteromer
O00303; O15371; O15372; O60841; O75821; P08708; P08865; P15880; P23396; P25398; P39019; P42677; P46781; P46782; P46783; P47813; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
170-764
100.091×MG;GTP;ZN;
Structure of human 48S translation initiation complex with initiator tRNA, eIF1A and eIF3 (off-path… Heteromer
O00303; O15371; O15372; O75821; P08708; P08865; P15880; P23396; P25398; P39019; P42677; P46781; P46782; P46783; P47813; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
170-764
100.087×MG;ZN;
Structure of human 48S translation initiation complex in AUG recognition state after eIF5-induced G… Heteromer
O00303; O15371; O15372; O75821; P05198; P08708; P08865; P15880; P23396; P25398; P39019; P41091; P42677; P46781; P46782; P46783; P47813; P55010; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
170-764
100.087×MG;ZN;
Structure of human 48S translation initiation complex upon transfer of initiator tRNA to eIF5B (48S… Heteromer
O00303; O15371; O15372; O60841; O75821; P05198; P08708; P08865; P15880; P23396; P25398; P39019; P41091; P42677; P46781; P46782; P46783; P47813; P55010; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
170-764
100.0GTP;NA; 89×MG;ZN;
Structure of a human 48S translational initiation complex - eIF3bgi Heteromer
Q13347; Q14152;
170-764
100.0
Structure of human 48S translation initiation complex in open codon scanning state (48S-1) Heteromer
O00303; O15371; O15372; O75821; P05198; P08708; P08865; P15880; P20042; P23396; P25398; P39019; P41091; P41567; P42677; P46781; P46782; P46783; P47813; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
170-764
100.090×MG;ZN;GTP;MET;
Structure of human 48S translation initiation complex after eIF5 release (48S-4) Heteromer
O00303; O15371; O15372; O60841; O75821; P05198; P08708; P08865; P15880; P23396; P25398; P39019; P41091; P42677; P46781; P46782; P46783; P47813; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
170-764
100.0GTP;NA; 89×MG;ZN;
eIF3b relocated to the intersubunit face to interact with eIF1 and below the eIF2 ternary-complex. … Heteromer
170-745
99.46
Structure of a human 48S translation initiation complex with eIF4F and eIF4A Heteromer
O00303; O15371; O15372; O75821; P05198; P08708; P08865; P15880; P20042; P23396; P25398; P39019; P41091; P42677; P46781; P46782; P46783; P47813; P55010; P60228; P60842; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q04637; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
184-758
100ZN; 89×MG;
Cryo-EM structure of the human 43S ribosome with PDCD4 Heteromer
O00303; O15371; O15372; O75821; P08708; P08865; P15880; P23396; P25398; P39019; P41567; P42677; P46781; P46782; P46783; P60228; P60842; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q53EL6; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
180-745
100.023×MG;ZN;
Structure of a human ABCE1-bound 43S pre-initiation complex - State III Heteromer
E7ETK0; O00303; O15371; O15372; P05198; P08708; P08865; P15880; P20042; P23396; P25398; P39019; P41091; P41567; P42677; P46781; P46782; P46783; P47813; P60228; P60866; P61221; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
180-745
100.0ZN;SF4;ADP;MG;ATP;MET;GTP;
SARS-CoV-2 Nsp1 bound to a human 43S preinitiation ribosome complex - state 2 Heteromer
O00303; O15371; O15372; P05198; P08708; P08865; P0DTD1; P15880; P20042; P23396; P25398; P39019; P41091; P41567; P42677; P46781; P46782; P46783; P47813; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
180-745
100.0ZN;GTP;MG;
SARS-CoV-2 Nsp1 bound to a human 43S preinitiation ribosome complex - state 1 Heteromer
O00303; O15371; O15372; P08708; P08865; P0DTD1; P15880; P23396; P25398; P39019; P42677; P46781; P46782; P46783; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
180-745
100.0ZN;
Structure of a human ABCE1-bound 43S pre-initiation complex - State II Heteromer
A0A2R8Y811; B4DVU3; E7ETK0; O00303; O15371; O15372; O75822; P08708; P08865; P15880; P23396; P25398; P39019; P41567; P42677; P46781; P46782; P46783; P60228; P60866; P61221; P61247; P62081; P62241; P62244; P62249; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q7L2H7; Q9UBQ5; Q9Y262;
180-745
100.0ZN;SF4;ADP;MG;ATP;
The structure of human Pdcd4 bound to the 40S-eIF4A-eIF3-eIF1 complex Heteromer
O00303; O15371; O15372; O75821; P08708; P08865; P15880; P23396; P25398; P39019; P41567; P42677; P46781; P46782; P46783; P60228; P60842; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q13347; Q14152; Q53EL6; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
182-745
99.8288×MG; 19×K;SPD;ZN;ACY;
Structure of the human 48S initiation complex in closed state (h48S AUG closed) Heteromer
O00303; O15371; O15372; O75821; P05198; P08708; P08865; P15880; P23396; P25398; P39019; P41091; P42677; P46781; P46782; P46783; P47813; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
281-734
100.0ZN;
Structure of the human 48S initiation complex in open state (h48S AUG open) Heteromer
O00303; O15371; O15372; O75821; P05198; P08708; P08865; P15880; P20042; P23396; P25398; P39019; P41091; P41567; P42677; P46781; P46782; P46783; P47813; P60228; P60866; P61247; P62081; P62241; P62244; P62249; P62263; P62266; P62269; P62273; P62277; P62280; P62701; P62753; P62841; P62847; P62851; P62854; P62857; P62861; P62945; P62979; P63220; P63244; Q14152; Q7L2H7; Q99613; Q9UBQ5; Q9Y262;
281-711
100.0ZN;MG;
Solution structure of EIF3B-RRM bound to EIF3J peptide Heteromer
O75822;
184-264
100
Solution structure of the RRM domain of human eukaryotic initiation factor 3bmonomer170-274
100

6 SWISS-MODEL models

TemplateOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
8pj2.1.Amonomer0.62170-764
100.00
7a09.1.bmonomer0.58180-745
100.00
5k1a.1.Bmonomer0.55264-600
12.82
2ymu.1.Amonomer0.55332-721
17.48
2ymu.1.Amonomer0.53278-721
16.63
2ymu.1.Amonomer0.52264-721
17.51

7 SWISS-MODEL models built on isoform sequence

IsoformTemplateOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
Isoform 28pj2.1.Amonomer0.62170-764
99.75
Isoform 27a09.1.bmonomer0.58180-745
99.75
Isoform 22ymu.1.Amonomer0.55333-721
17.53
Isoform 22ymu.1.Amonomer0.53267-721
17.39
Isoform 22ymu.1.Amonomer0.53278-721
16.87
Isoform 25i2t.1.Amonomer0.53267-695
13.84
Isoform 22ymu.1.Amonomer0.52278-721
16.67