4m7a

X-ray diffraction
2.78Å resolution

Crystal structure of Lsm2-8 complex bound to the 3' end sequence of U6 snRNA

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero octamer (preferred)
hetero hexadecamer
Assembly name:
PDBe Complex ID:
PDB-CPX-153579 (preferred)
Entry contents:
7 distinct polypeptide molecules
1 distinct RNA molecule
Macromolecules (8 distinct):
U6 snRNA-associated Sm-like protein LSm8 Chains: A, H
Molecule details ›
Chains: A, H
Length: 96 amino acids
Theoretical weight: 10.72 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: P47093 (Residues: 1-96; Coverage: 88%)
Gene names: J1464, LSM8, YJR022W, YJR83.16
Sequence domains: LSM domain
Structure domains: SH3 type barrels.
U6 snRNA-associated Sm-like protein LSm2 Chains: B, I
Molecule details ›
Chains: B, I
Length: 95 amino acids
Theoretical weight: 11.16 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: P38203 (Residues: 1-95; Coverage: 100%)
Gene names: LSM2, SMX5, SNP3, YBL026W, YBL0425
Sequence domains: LSM domain
Structure domains: SH3 type barrels.
U6 snRNA-associated Sm-like protein LSm3 Chains: C, J
Molecule details ›
Chains: C, J
Length: 89 amino acids
Theoretical weight: 10.01 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: P57743 (Residues: 1-89; Coverage: 100%)
Gene names: LSM3, SMX4, USS2, YLR438C-A
Sequence domains: LSM domain
Structure domains: SH3 type barrels.
U6 snRNA-associated Sm-like protein LSm6 Chains: D, K
Molecule details ›
Chains: D, K
Length: 86 amino acids
Theoretical weight: 9.41 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: Q06406 (Residues: 1-86; Coverage: 100%)
Gene names: D9481.18, LSM6, YDR378C
Sequence domains: LSM domain
Structure domains: SH3 type barrels.
U6 snRNA-associated Sm-like protein LSm5 Chains: E, L
Molecule details ›
Chains: E, L
Length: 93 amino acids
Theoretical weight: 10.43 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: P40089 (Residues: 1-93; Coverage: 100%)
Gene names: LSM5, YER146W
Sequence domains: LSM domain
Structure domains: SH3 type barrels.
U6 snRNA-associated Sm-like protein LSm7 Chains: F, M
Molecule details ›
Chains: F, M
Length: 115 amino acids
Theoretical weight: 13.03 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: P53905 (Residues: 1-115; Coverage: 100%)
Gene names: LSM7, N1202, N1780, YNL147W
Sequence domains: LSM domain
Structure domains: SH3 type barrels.
U6 snRNA-associated Sm-like protein LSm4 Chains: G, N
Molecule details ›
Chains: G, N
Length: 93 amino acids
Theoretical weight: 10.63 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: P40070 (Residues: 1-93; Coverage: 50%)
Gene names: LSM4, SDB23, USS1, YER112W
Sequence domains: LSM domain
Structure domains: SH3 type barrels.
U6 snRNA Chains: O, P
Molecule details ›
Chains: O, P
Length: 8 nucleotides
Theoretical weight: 2.44 KDa

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: C2
Unit cell:
a: 117.624Å b: 78.379Å c: 140.565Å
α: 90° β: 100.58° γ: 90°
R-values:
R R work R free
0.246 0.245 0.278
Expression system: Escherichia coli