Q15427 (SF3B4_HUMAN) Homo sapiens (Human)
Splicing factor 3B subunit 4 UniProtKBInterProSTRINGInteractive Modelling
424 aa; Sequence (Fasta) ;
21 identical sequences
It is possible new templates exist for this target since these models were created.
However, an attempt to improve models for this target was made on 2025-07-10. The outcome - failed for technical reasons.
Available Structures
33 Experimental Structures
| Description | PDB ID | Oligo-state | Range | Seq id (%) | Ligands | |
|---|---|---|---|---|---|---|
| The cryo-EM structure of the human 17S U2 snRNP |
Heteromer O43719; O75533; P08579; P09661; P14678; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13435; Q15393; Q15428; Q15459; Q7L014; Q7RTV0; Q9BWJ5; | 100.0 | 1×9B0; 4×ZN; | |||
| human 17S U2 snRNP |
Heteromer O43719; O75533; P08579; P09661; P14678; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13435; Q15393; Q15428; Q15459; Q7L014; Q7RTV0; Q9BWJ5; Q9Y3B4; | 100.0 | ||||
| human 17S U2 snRNP low resolution part |
Heteromer O43719; O75533; P08579; P09661; P14678; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13435; Q15428; Q15459; Q7L014; Q9Y3B4; | 100.0 | ||||
| The cryo-EM structure of human pre-17S U2 snRNP |
Heteromer O43719; O75533; P08579; P09661; P14678; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13435; Q15393; Q15428; Q15459; Q7RTV0; Q86XP3; Q9BWJ5; | 100.0 | 1×9B0; 4×ZN; | |||
| The cryo-EM structure of the human pre-A complex |
Heteromer O75533; O75937; P08579; P08621; P09012; P09234; P09661; P14678; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13435; Q15393; Q15428; Q15459; Q15637; Q7L014; Q7RTV0; Q9BWJ5; | 100.0 | 6×ZN; 1×SJT; | |||
| The cryo-EM structure of human pre-Bact complex |
Heteromer O43660; O60306; O60870; O75533; O75643; P08579; P09661; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13356; Q13435; Q13573; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q7RTV0; Q8IYB3; Q8TAD8; Q96DI7; Q99459; Q9BRD0; Q9BWJ5; Q9BZJ0; Q9HCS7; Q9NW64; Q9P013; Q9UNP9; Q9Y388; Q9Y3B4; | 100.0 | 1×GTP; 1×MG; 4×ZN; | |||
| The cryo-EM structure of human Bact-I complex |
Heteromer O15541; O43660; O60231; O60306; O75533; O75643; P08579; P09661; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13356; Q13435; Q13573; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q6UX04; Q7RTV0; Q8IYB3; Q8TAD8; Q96DI7; Q99459; Q9BRD0; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9HCS7; Q9NW64; Q9P013; Q9UNP9; Q9UQ35; Q9Y388; Q9Y3B4; | 100.0 | 1×IHP; 1×GTP; 6×MG; 7×ZN; | |||
| The cryo-EM structure of human Bact-III complex |
Heteromer O15541; O43660; O60231; O60306; O60508; O75533; O75643; O75934; P08579; P09661; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13356; Q13435; Q13573; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q7RTV0; Q8WUA2; Q96DI7; Q99459; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9HCS7; Q9NW64; Q9P013; Q9UMS4; Q9UNP9; Q9UQ35; Q9Y3C6; | 100.0 | 1×IHP; 1×GTP; 7×MG; 7×ZN; | |||
| The cryo-EM structure of human Bact-IV complex |
Heteromer O15541; O43660; O60231; O60306; O60508; O75533; O75934; O95926; P08579; P09661; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13435; Q13573; Q15029; Q15393; Q6P2Q9; Q7RTV0; Q8WUA2; Q96DI7; Q99459; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9HCS7; Q9NW64; Q9P013; Q9UMS4; Q9UNP9; Q9UQ35; Q9Y3C6; | 100.0 | 1×IHP; 1×GTP; 7×MG; 7×ZN; | |||
| The cryo-EM structure of human post-Bact complex |
Heteromer O43660; O60231; O60306; O60508; O75533; O75934; O95926; P08579; P09661; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q13435; Q13573; Q15029; Q15393; Q6P2Q9; Q7RTV0; Q8WUA2; Q96DI7; Q99459; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9HCS7; Q9NW64; Q9P013; Q9UMS4; Q9UNP9; Q9UQ35; Q9Y3C6; | 100.0 | 1×IHP; 1×GTP; 7×MG; 6×ZN; | |||
| The cryo-EM structure of human Bact-II complex |
Heteromer O15541; O43660; O60231; O60306; O75533; O75643; P08579; P09661; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13356; Q13435; Q13573; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q7RTV0; Q8WUA2; Q96DI7; Q99459; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9HCS7; Q9NW64; Q9P013; Q9UNP9; Q9UQ35; Q9Y3C6; | 100.0 | 1×IHP; 1×GTP; 7×MG; 7×ZN; | |||
| Structure of a late-stage activated spliceosome (BAqr) arrested with a dominant-negative Aquarius m… |
Heteromer O15541; O43660; O60231; O60306; O60508; O75533; O75643; O75934; P08579; P09661; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13356; Q13435; Q13573; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q7RTV0; Q8WUA2; Q92917; Q96DI7; Q99459; Q9BRD0; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9HCS7; Q9NW64; Q9P013; Q9ULR0; Q9UMS4; Q9UNP9; Q9UQ35; Q9Y3C6; | 100 | 12×ZN; 1×IHP; 1×GTP; 7×MG; | |||
| Cryo-EM structure of the cross-exon pre-B complex |
Heteromer O43172; O43290; O43395; O75533; O75643; O94906; O95777; P08579; P09661; P14678; P55769; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; P83876; Q12874; Q13435; Q13523; Q15029; Q15393; Q15428; Q15459; Q53GS9; Q6P2Q9; Q7RTV0; Q8WVK2; Q8WWY3; Q96DI7; Q9BTD8; Q9BUQ8; Q9BWJ5; Q9UK45; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | ||||
| Cryo-EM structure of human exon-defined spliceosome in the late pre-B state. |
Heteromer O43172; O43290; O43395; O75533; O75643; O94906; O95777; P08579; P09661; P14678; P55769; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; P83876; Q12874; Q13435; Q13523; Q15029; Q15393; Q15428; Q15459; Q53GS9; Q6P2Q9; Q7RTV0; Q8WVK2; Q8WWY3; Q96DI7; Q9BTD8; Q9BUQ8; Q9BWJ5; Q9UK45; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | 1×IHP; 1×MG; 1×GTP; 1×ZN; | |||
| Cryo-EM Structure of the human minor pre-B complex (pre-precatalytic spliceosome) U12 snRNP part |
Heteromer O75533; P14678; P62304; P62306; P62308; P62314; P62316; P62318; Q13435; Q15393; Q7RTV0; Q9BWG6; Q9BWJ5; Q9Y3B4; | 100 | 4×ZN; | |||
| Human pre-Bact-1 spliceosome |
Heteromer O14776; O43660; O75533; O75643; O95777; P08579; P09661; P14678; P41223; P52298; P55081; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; Q07955; Q09161; Q12874; Q13435; Q13573; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q7RTV0; Q8IYB3; Q8NAV1; Q8TAD8; Q96DI7; Q96NC0; Q99459; Q9BWJ5; Q9BZL1; Q9NW64; Q9P013; Q9UK45; Q9Y2W2; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | 1×IHP; 1×GTP; 1×MG; 1×GTG; | |||
| Human pre-Bact-2 spliceosome (SF3b/U2 snRNP portion) |
Heteromer O60870; O75533; Q12874; Q13435; Q15393; Q15428; Q7RTV0; Q8IYB3; Q8TAD8; Q99459; Q9BWJ5; Q9Y388; Q9Y3B4; | 100 | ||||
| Human pre-Bact-2 spliceosome |
Heteromer O43660; O60306; O60508; O60870; O75533; O75643; P08579; P09661; P14678; P41223; P55081; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13356; Q13435; Q13573; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q7RTV0; Q8IYB3; Q8NAV1; Q8TAD8; Q8WYA6; Q96DI7; Q96NC0; Q99459; Q9BRD0; Q9BWJ5; Q9BZJ0; Q9BZL1; Q9HCS7; Q9NW64; Q9P013; Q9UNP9; Q9Y388; Q9Y3B4; | 100 | 1×GTP; 1×MG; 1×IHP; | |||
| Cryo-EM structure of human exon-defined spliceosome in the mature pre-B state. |
Heteromer O43172; O43290; O43395; O75533; O75643; O94906; O95777; P08579; P09661; P14678; P55769; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; P83876; Q12874; Q13435; Q13523; Q15029; Q15393; Q15428; Q15459; Q53GS9; Q6P2Q9; Q7RTV0; Q8WVK2; Q8WWY3; Q96DI7; Q9BTD8; Q9BUQ8; Q9BWJ5; Q9UK45; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | 1×IHP; 1×MG; 1×GTP; 1×ZN; | |||
| Cryo-EM structure of human exon-defined spliceosome in the early B state. |
Heteromer O43172; O43290; O43395; O43447; O75533; O75554; O75643; O94906; O95777; P08579; P09661; P14678; P55769; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; P83876; Q12874; Q13435; Q15029; Q15393; Q15428; Q15459; Q2TAY7; Q6P2Q9; Q7RTV0; Q8WWY3; Q96DI7; Q9BWJ5; Q9UK45; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | 1×IHP; 1×GTP; 1×MG; 1×ZN; | |||
| Cryo-EM Structure of the Activated Human Minor Spliceosome (minor Bact Complex) |
Heteromer O15541; O43660; O60231; O75533; O75643; P14678; P62304; P62306; P62308; P62314; P62316; P62318; Q13356; Q13435; Q13573; Q15029; Q15393; Q5RL73; Q6P2Q9; Q6UX04; Q7RTV0; Q8IYB3; Q8TAD8; Q92917; Q96DI7; Q99459; Q9BRD0; Q9BWG6; Q9BWJ5; Q9BZJ0; Q9H6L4; Q9HCG8; Q9P013; Q9P021; Q9UQ35; Q9Y388; Q9Y3B4; | 100 | 1×IHP; 1×GTP; 5×MG; 2×K; 1×G5J; 7×ZN; | |||
| Structural organization of a late activated human spliceosome (Baqr, core region) |
Heteromer O15541; O43660; O60231; O75533; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13356; Q13435; Q13573; Q15029; Q15393; Q15428; Q6P2Q9; Q7RTV0; Q8WUA2; Q92917; Q99459; Q9BRD0; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9NW64; Q9P013; Q9UQ35; Q9Y3C6; | 100 | 12×ZN; 1×IHP; 1×GTP; 7×MG; | |||
| Cryo-EM structure of the cross-exon pre-B+5'ssLNG+ATPyS complex |
Heteromer O43172; O43290; O43395; O43447; O75533; O75643; O94906; O95777; P08579; P09661; P14678; P55769; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; P83876; Q12874; Q13435; Q15029; Q15393; Q15428; Q15459; Q53GS9; Q6P2Q9; Q7RTV0; Q8WWY3; Q96DI7; Q9BUQ8; Q9BWJ5; Q9UK45; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | ||||
| Cryo-EM structure of the cross-exon pre-B+5'ss+ATPgammaS complex |
Heteromer O43172; O43290; O43395; O43447; O75533; O75643; O94906; O95777; P08579; P09661; P14678; P55769; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; P83876; Q12874; Q13435; Q15029; Q15393; Q15428; Q15459; Q53GS9; Q6P2Q9; Q7RTV0; Q8WWY3; Q96DI7; Q9BUQ8; Q9BWJ5; Q9UK45; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | ||||
| Cryo-EM structure of the cross-exon pre-B+5'ss complex |
Heteromer O43172; O43290; O43395; O75533; O75643; O94906; O95777; P08579; P09661; P14678; P55769; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; P83876; Q12874; Q13435; Q13523; Q15029; Q15393; Q15428; Q15459; Q53GS9; Q6P2Q9; Q7RTV0; Q8WVK2; Q8WWY3; Q96DI7; Q9BTD8; Q9BUQ8; Q9BWJ5; Q9UK45; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | ||||
| Cryo-EM structure of the cross-exon pre-B+ATP complex |
Heteromer O43172; O43290; O43395; O43447; O75533; O75643; O94906; O95777; P08579; P09661; P14678; P55769; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; P83876; Q12874; Q13435; Q15029; Q15393; Q15428; Q15459; Q53GS9; Q6P2Q9; Q7RTV0; Q8WWY3; Q96DI7; Q9BUQ8; Q9BWJ5; Q9UK45; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | ||||
| Cryo-EM structure of a human activated spliceosome (early Bact) at 4.9 angstrom. |
Heteromer O15541; O43660; O60231; O75533; O75643; P08579; P09661; P14678; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13435; Q13573; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q6UX04; Q7RTV0; Q8TAD8; Q96DI7; Q99459; Q9BRD0; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9P013; Q9Y388; Q9Y3B4; | 100 | 1×IHP; 1×GTP; 6×MG; 4×ZN; | |||
| cryo-EM structure of a human activated spliceosome (mature Bact) at 5.1 angstrom. |
Heteromer O15541; O43660; O60231; O60306; O60508; O75533; O75643; O75934; P08579; P09661; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13435; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q6UX04; Q7RTV0; Q8TAD8; Q96DI7; Q99459; Q9BRD0; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9HCS7; Q9NW64; Q9P013; Q9UMS4; Q9UNP9; Q9UQ35; Q9Y388; Q9Y3B4; Q9Y3C6; | 100 | 1×IHP; 1×GTP; 6×MG; 13×ZN; | |||
| The Cryo-EM Structure of the Precusor of Human Pre-catalytic Spliceosome (pre-B complex) |
Heteromer O43172; O43395; O75533; O75643; O94906; O95777; P08579; P09661; P14678; P55769; P62304; P62306; P62308; P62310; P62312; P62314; P62316; P62318; P83876; Q12874; Q13435; Q15029; Q15393; Q15428; Q15459; Q53GS9; Q6P2Q9; Q7RTV0; Q8WWY3; Q96DI7; Q9BUQ8; Q9BWJ5; Q9UK45; Q9Y333; Q9Y3B4; Q9Y4Y9; Q9Y4Z0; | 100 | 1×IHP; 1×GTP; 1×MG; | |||
| Cryo-EM structure of the human activated spliceosome (late Bact) at 6.5 angstrom |
Heteromer O43660; O60231; O60306; O60508; O75533; O75643; O75934; P08579; P09661; P14678; P41223; P62304; P62306; P62308; P62314; P62316; P62318; Q12874; Q13435; Q15029; Q15393; Q15428; Q15459; Q6P2Q9; Q7RTV0; Q8TAD8; Q96DI7; Q99459; Q9BRD0; Q9BWJ5; Q9BZJ0; Q9HCG8; Q9HCS7; Q9NW64; Q9P013; Q9UMS4; Q9UNP9; Q9UQ35; Q9Y388; Q9Y3B4; Q9Y3C6; | 100 | 1×IHP; 1×ALA; 1×GTP; 6×MG; 10×ZN; | |||
| Structure of the U2 5' module of the A3'-SSA complex |
Heteromer O75533; Q12874; Q13435; Q15393; Q15428; Q7RTV0; Q9BWJ5; | 100.0 | 1×SJT; 5×ZN; | |||
| Solution structure of the first RRM domain of human spliceosomal protein SF3b49 | monomer | 96.84 | ||||
| Solution structure of the second RRM domain in splicing factor = 3B | monomer | 100 | ||||
8 SWISS-MODEL models
| Template | Oligo-state | QMEAN | Range | Ligands | Trg-Tpl Seq id (%) | |
|---|---|---|---|---|---|---|
| 8hk1.1.E | monomer | 0.70 | 100.00 | |||
| 8i0p.1.9 | monomer | 0.69 | 100.00 | |||
| 9f4k.1.A | monomer | 0.64 | 24.86 | |||
| 6xlx.1.A | monomer | 0.54 | 21.51 | |||
| 4yoe.1.A | monomer | 0.54 | 21.49 | |||
| 5kw6.1.B | monomer | 0.53 | 21.88 | |||
| 6tr0.1.A | monomer | 0.53 | 21.71 | |||
| 4pkd.1.B | monomer | 0.51 | 23.08 | |||