5z57

Electron Microscopy
6.5Å resolution

Cryo-EM structure of the human activated spliceosome (late Bact) at 6.5 angstrom

Released:
Source organism: Homo sapiens
Primary publication:
Structure of the human activated spliceosome in three conformational states.
OpenAccess logo Cell Res 28 307-322 (2018)
PMID: 29360106
Related structures: EMD-6890

Function and Biology Details

Reactions catalysed:
ATP + H(2)O = ADP + phosphate
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + N(6)-ubiquitinyl-[acceptor protein]-L-lysine
Peptidylproline (omega=180) = peptidylproline (omega=0)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero 57-mer (preferred)
PDBe Complex ID:
PDB-CPX-293065 (preferred)
Entry contents:
43 distinct polypeptide molecules
4 distinct RNA molecules
Macromolecules (47 distinct):
Pre-mRNA-processing-splicing factor 8 Chain: A
116 kDa U5 small nuclear ribonucleoprotein component Chain: C
U5 small nuclear ribonucleoprotein 200 kDa helicase Chain: D
U5 small nuclear ribonucleoprotein 40 kDa protein Chain: E
Small nuclear ribonucleoprotein Sm D3 Chains: a, h
Small nuclear ribonucleoprotein-associated proteins B and B' Chains: b, i
Small nuclear ribonucleoprotein Sm D1 Chains: c, j
Small nuclear ribonucleoprotein Sm D2 Chains: d, k
Small nuclear ribonucleoprotein F Chains: f, m
Small nuclear ribonucleoprotein E Chains: e, l
Small nuclear ribonucleoprotein G Chains: g, n
U2 small nuclear ribonucleoprotein A' Chain: o
U2 small nuclear ribonucleoprotein B'' Chain: p
Splicing factor 3A subunit 3 Chain: w
Splicing factor 3A subunit 1 Chain: u
Splicing factor 3A subunit 2 Chain: v
Splicing factor 3B subunit 1 Chain: 1
Splicing factor 3B subunit 2 Chain: 2
Splicing factor 3B subunit 3 Chain: 3
Splicing factor 3B subunit 4 Chain: 4
Splicing factor 3B subunit 6 Chain: 5
PHD finger-like domain-containing protein 5A Chain: 6
Splicing factor 3B subunit 5 Chain: 7
Crooked neck-like protein 1 Chain: J
Cell division cycle 5-like protein Chain: L
Pre-mRNA-processing factor 19 Chains: q, r, s, t
Pre-mRNA-splicing factor SPF27 Chain: K
Pre-mRNA-splicing factor SYF1 Chain: I
RNA helicase aquarius Chain: Q
Protein BUD31 homolog Chain: N
Pre-mRNA-splicing factor RBM22 Chain: O
Spliceosome-associated protein CWC15 homolog Chain: P
Skip Chain: R
Peptidyl-prolyl cis-trans isomerase-like 1 Chain: S
Pleiotropic regulator 1 Chain: T
Serine/arginine repetitive matrix protein 2 Chain: U
Pre-mRNA-splicing factor CWC22 homolog Chain: V
Pre-mRNA-processing factor 17 Chain: W
Smad nuclear-interacting protein 1 Chain: X
RNA-binding motif protein, X-linked 2 Chain: Y
BUD13 homolog Chain: Z
Pre-mRNA-splicing factor ATP-dependent RNA helicase DHX16 Chain: x
Peptidyl-prolyl cis-trans isomerase E Chain: y
U5 snRNA Chain: B
U6 snRNA Chain: F
pre-mRNA Chain: G
U2 snRNA Chain: H

Ligands and Environments

No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this EM entry.
Resolution: 6.5Å
Relevant EMDB volumes: EMD-6890