7abi

Electron Microscopy
8Å resolution

Human pre-Bact-2 spliceosome

Released:

Function and Biology Details

Reactions catalysed:
ATP + H(2)O = ADP + phosphate
Peptidylproline (omega=180) = peptidylproline (omega=0)
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
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero 56-mer (preferred)
PDBe Complex ID:
PDB-CPX-129048 (preferred)
Entry contents:
45 distinct polypeptide molecules
4 distinct RNA molecules
Macromolecules (49 distinct):
U5 small nuclear ribonucleoprotein 40 kDa protein Chain: D
Molecule details ›
Chain: D
Length: 357 amino acids
Theoretical weight: 39.36 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: Q96DI7 (Residues: 1-357; Coverage: 100%)
Gene names: PRP8BP, SFP38, SNRNP40, WDR57
Sequence domains: WD domain, G-beta repeat
Splicing factor 3B subunit 3 Chain: E
Molecule details ›
Chain: E
Length: 1217 amino acids
Theoretical weight: 135.72 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: Q15393 (Residues: 1-1217; Coverage: 100%)
Gene names: KIAA0017, SAP130, SF3B3
Sequence domains:
Small nuclear ribonucleoprotein F Chains: b, i
U2 small nuclear ribonucleoprotein A' Chain: W
Splicing factor 3B subunit 4 Chain: w
Small nuclear ribonucleoprotein G Chains: d, k
RNA helicase aquarius Chain: U
Splicing factor 3B subunit 5 Chain: x
U2 small nuclear ribonucleoprotein B'' Chain: B
Splicing factor 3B subunit 6 Chain: z
Ubiquitin-like protein 5 Chain: q
U5 small nuclear ribonucleoprotein 200 kDa helicase Chain: s
SNW domain-containing protein 1 Chain: v
BUD13 homolog Chain: 3
Smad nuclear-interacting protein 1 Chain: 0
Protein BUD31 homolog Chain: Q
RNA-binding motif protein, X-linked 2 Chain: 1
Cell division cycle 5-like protein Chain: L
Zinc finger matrin-type protein 2 Chain: N
Beta-catenin-like protein 1 Chain: S
116 kDa U5 small nuclear ribonucleoprotein component Chain: r
Spliceosome-associated protein CWC15 homolog Chain: R
Serine/arginine repetitive matrix protein 1 Chain: Y
DNA/RNA-binding protein KIN17 Chain: 7
Pre-mRNA-splicing factor SYF1 Chain: M
Microfibrillar-associated protein 1 Chain: K
Crooked neck-like protein 1 Chain: O
PHD finger-like domain-containing protein 5A Chain: y
Pleiotropic regulator 1 Chain: G
Small nuclear ribonucleoprotein Sm D2 Chains: a, h
Peptidyl-prolyl cis-trans isomerase E Chain: o
RING-type E3 ubiquitin-protein ligase PPIL2 Chain: t
Small nuclear ribonucleoprotein-associated proteins B and B' Chains: f, m
Small nuclear ribonucleoprotein Sm D3 Chains: e, l
Pre-mRNA-processing-splicing factor 8 Chain: A
Pre-mRNA-processing factor 17 Chain: 8
Small nuclear ribonucleoprotein E Chains: c, j
Pre-mRNA-splicing factor 38A Chain: I
Small nuclear ribonucleoprotein Sm D1 Chains: g, n
Pre-mRNA-splicing factor RBM22 Chain: P
Splicing factor 3A subunit 1 Chain: p
Splicing factor 3A subunit 2 Chain: F
Splicing factor 3A subunit 3 Chain: 4
Splicing factor 3B subunit 1 Chain: u
Splicing factor 3B subunit 2 Chain: T
U6 snRNA Chain: 6
U2 snRNA Chain: 2
MINX M3 pre-mRNA Chain: Z
U5 snRNA Chain: 5

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this EM entry.
Resolution:
Relevant EMDB volumes: EMD-11697