6QX9: Structure of a human fully-assembled precatalytic spliceosome (pre-B complex)

U5 Small Nuclear Ribonucleoprotein 40 KDA Protein

Splicing Factor 3B Subunit 4

Small Nuclear Ribonucleoprotein SM D3

U4/u6 Small Nuclear Ribonucleoprotein Prp4

Small Nuclear Ribonucleoprotein E

U1 Small Nuclear Ribonucleoprotein 70 KDA

U4/u6 Small Nuclear Ribonucleoprotein Prp31

Small Nuclear Ribonucleoprotein SM D1

RNA-binding Protein 42

Small Nuclear Ribonucleoprotein F

U6 Snrna-associated Sm-like Protein Lsm6

U4/u6.u5 Small Nuclear Ribonucleoprotein 27 KDA Protein

Small Nuclear Ribonucleoprotein SM D2

U6 Snrna-associated Sm-like Protein Lsm7

U6 Snrna-associated Sm-like Protein Lsm2

U2 Small Nuclear Ribonucleoprotein B''

Splicing Factor 3A Subunit 2

Splicing Factor 3B Subunit 2

116 KDA U5 Small Nuclear Ribonucleoprotein Component

Probable Atp-dependent RNA Helicase Ddx23

Small Nuclear Ribonucleoprotein-associated Proteins B and B'

Splicing Factor 3B Subunit 5

U1 Small Nuclear Ribonucleoprotein a

U4/u6.u5 Tri-snrnp-associated Protein 1

Pre-mrna-processing Factor 6

Nhp2-like Protein 1

U6 Snrna-associated Sm-like Protein Lsm3

Splicing Factor 3B Subunit 3

Small Nuclear Ribonucleoprotein G

U6 Snrna-associated Sm-like Protein Lsm8

Pre-mrna-processing-splicing Factor 8

Splicing Factor 3A Subunit 3

U4/u6.u5 Tri-snrnp-associated Protein 2

Thioredoxin-like Protein 4A

U6 Snrna-associated Sm-like Protein Lsm4

PHD Finger-like Domain-containing Protein 5A

U1 Small Nuclear Ribonucleoprotein C

Serine/threonine-protein Kinase Prp4 Homolog

U4/u6 Small Nuclear Ribonucleoprotein Prp3

U2 Small Nuclear Ribonucleoprotein A'

Splicing Factor 3A Subunit 1,splicing Factor 3A Subunit 1,splicing Factor 3A Subunit 1

U6 Snrna-associated Sm-like Protein Lsm5

U5 Small Nuclear Ribonucleoprotein 200 KDA Helicase

Splicing Factor 3B Subunit 1

U1 Snrna

U6 Snrna

Adml Pre-mrna

U5 Snrna

U2 Snrna

U4 Snrna