2ozb

X-ray diffraction
2.6Å resolution

Structure of a human Prp31-15.5K-U4 snRNA complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-157307 (preferred)
Entry contents:
2 distinct polypeptide molecules
1 distinct RNA molecule
Macromolecules (3 distinct):
NHP2-like protein 1 Chains: A, D
Molecule details ›
Chains: A, D
Length: 130 amino acids
Theoretical weight: 14.34 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P55769 (Residues: 1-128; Coverage: 100%)
Gene names: NHP2L1, SNU13
Sequence domains: Ribosomal protein L7Ae/L30e/S12e/Gadd45 family
Structure domains: 60s Ribosomal Protein L30; Chain: A;
U4/U6 small nuclear ribonucleoprotein Prp31 Chains: B, E
Molecule details ›
Chains: B, E
Length: 260 amino acids
Theoretical weight: 28.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8WWY3 (Residues: 78-333; Coverage: 51%)
Gene names: PRP31, PRPF31
Sequence domains: snoRNA binding domain, fibrillarin
Structure domains:
RNA comprising the 5' Stem-Loop RNA of U4snRNA Chains: C, F
Molecule details ›
Chains: C, F
Length: 33 nucleotides
Theoretical weight: 10.63 KDa

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MPG/DESY, HAMBURG BEAMLINE BW6
Spacegroup: P212121
Unit cell:
a: 83.555Å b: 99.896Å c: 169.645Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.208 0.206 0.248
Expression systems:
  • Escherichia coli BL21(DE3)
  • Escherichia coli