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Q15393 (SF3B3_HUMAN) Homo sapiens (Human)

Splicing factor 3B subunit 3 UniProtKBInterProSTRINGInteractive Modelling

1217 aa; Sequence (Fasta) ; (Isoform 2; Isoform 3; ) 20 identical sequences

Sequence Features

 284Interaction with SF3B5.
 306Interaction with SF3B5.
 352Interaction with SF3B5.
 429Interaction with SF3B5.
 916Interaction with SF3B5.
 988Interaction with SF3B1.
 1171Interaction with SF3B1.
 908G -> R (in dbSNP:rs11551673). VAR_053647 dbSNP
 863-1183Cleavage/polyadenylation specificity fac tor, A subunit, C-terminal
IPR004871PF03178

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRangeDownloadAssess
SF3b core in complex with a splicing modulator Heteromer
Q9BWJ5; O75533; Q7RTV0;
ZN;BGZ;6en41-1217
Crystal structure of the human SF3b core complex Heteromer
Q9BWJ5; O75533; Q7RTV0;
ZN;K;5ife1-1217
Cryo-EM structure of a pre-catalytic human spliceosome primed for activation (B complex) Heteromer
Q6P2Q9; Q15029; O75643; Q96DI7; O43395; O43172; O94906; Q8WWY3; Q8NAV1; P83876; P55081; Q2TAY7; O43447; Q96NC0; P55769; O43290; O75554; Q13123; P62316; P62306; P62304; P62308; P62318; P14678; P62314; P62316; P62306; P62304; P62308; P62318; P14678; P62314; Q9Y333; P62310; Q9Y4Z0; Q9Y4Y9; P62312; Q9UK45; O95777; O75533; Q9BWJ5; Q7RTV0; P09661; P08579; P62316; P62306; P62304; P62308; P62318; P14678; P62314;
5o9z1-1217
human Bact spliceosome core structure Heteromer
Q9Y388; Q9BRD0; Q15428; Q13435; Q6P2Q9; Q15029; Q13573; O43660; O60508; Q99459; Q9BZJ0; Q9NW64; P41223; Q9P013; Q9UQ35; Q9Y3C6; Q8IYB3; Q6UX04; O15541; O75533; Q9BWJ5; Q7RTV0; Q9Y3B4;
GTP; 10×ZN;MG;IHP;6ff41-1217
human Bact spliceosome core structure Heteromer
Q9Y388; Q9BRD0; Q15428; Q13435; Q6P2Q9; Q15029; Q13573; O43660; O60508; Q99459; Q9BZJ0; Q9NW64; P41223; Q9P013; Q9UQ35; Q9Y3C6; Q8IYB3; Q6UX04; O15541; O75533; Q9BWJ5; Q7RTV0; Q9Y3B4; Q8TAD8; Q12874; Q96DI7; Q9UMS4; O75934; Q9HCS7; Q9HCG8; O60306; P09661; P08579; P62316; P62306; P62304; P62308; P62318; P14678; P62314; P62316; P62306; P62304; P62308; P62318; P14678; P62314; Q9UNP9; Q15459; O60231; O75643; Q9ULR0; Q9Y3B4;
GTP; 11×ZN;IHP;MG;ADP;6ff71-1217
SF3b spliceosomal complex bound to E7107 Heteromer
Q9BWJ5; O75533; Q7RTV0;
9B0;ZN;K;5zya1-1217
Cryo-EM structure of a human activated spliceosome (early Bact) at 4.9 angstrom. Heteromer
Q6P2Q9; Q15029; O75643; Q96DI7; P62318; P14678; P62314; P62316; P62306; P62304; P62308; P62318; P14678; P62314; P62316; P62306; P62304; P62308; P09661; P08579; Q12874; Q15459; Q15428; O75533; Q13435; Q15427; Q9Y3B4; Q7RTV0; Q9BWJ5; Q9BZJ0; Q99459; O15541; Q9P013; Q13573; O43660; Q9HCG8; Q8TAD8; Q9Y388; Q9BRD0; Q6UX04; O60231;
GTP;MG;I6P;ZN;5z581-1217
cryo-EM structure of a human activated spliceosome (mature Bact) at 5.1 angstrom. Heteromer
Q6P2Q9; Q15029; O75643; Q96DI7; P62318; P14678; P62314; P62316; P62306; P62304; P62308; P62318; P14678; P62314; P62316; P62306; P62304; P62308; P09661; P08579; Q12874; Q15459; Q15428; O75533; Q13435; Q15427; Q9Y3B4; Q7RTV0; Q9BWJ5; Q9BZJ0; Q99459; Q9UMS4; O75934; Q9HCS7; O60306; O15541; P41223; Q9NW64; Q9P013; Q9Y3C6; O43660; Q9UQ35; Q9HCG8; O60508; Q8TAD8; Q9Y388; Q9BRD0; Q6UX04; O60231; Q9UNP9;
GTP;MG;I6P; 13×ZN;5z561-1217
The Cryo-EM Structure of the Precusor of Human Pre-catalytic Spliceosome (pre-B complex) Heteromer
O75643; Q96DI7; P62316; P62306; P62304; P62308; P62318; P14678; P62314; Q9Y333; P62310; Q9Y4Z0; Q9Y4Y9; P62312; Q9UK45; O95777; P09661; P08579; P62318; P14678; P62314; P62316; P62306; P62304; P62308; Q15459; Q15428; Q12874; O75533; Q13435; Q15427; Q9Y3B4; Q7RTV0; Q9BWJ5; O43395; O43172; O94906; Q8WWY3; P55769; P83876; Q53GS9; P62316; P62306; P62304; P62308; P62318; P14678; P62314; Q9BUQ8; Q6P2Q9; Q15029;
GTP;IHP;MG;6ah01-1217
Cryo-EM structure of the human activated spliceosome (late Bact) at 6.5 angstrom Heteromer
Q6P2Q9; Q15029; O75643; Q96DI7; P62318; P14678; P62314; P62316; P62306; P62304; P62308; P62318; P14678; P62314; P62316; P62306; P62304; P62308; P09661; P08579; Q12874; Q15459; Q15428; O75533; Q13435; Q15427; Q9Y3B4; Q7RTV0; Q9BWJ5; Q9BZJ0; Q99459; Q9UMS4; O75934; Q9HCS7; O60306; P41223; Q9NW64; Q9P013; Q9Y3C6; O43660; Q9UQ35; Q9HCG8; O60508; Q8TAD8; Q9Y388; Q9BRD0; O60231; Q9UNP9;
GTP;MG;I6P; 10×ZN;ALA;5z571-1217

Homology models built on isoform sequence

Isoform #Oligo-stateLigandsQMEANTemplateRangeSeq id (%)ReportDownloadAssess
2monomer6en4.1.A1-249
100.00
3monomer6ff4.1.Y1-399
100.00