4qqb

X-ray diffraction
2.8Å resolution

Structural basis for the assembly of the SXL-UNR translation regulatory complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-244979 (preferred)
Entry contents:
2 distinct polypeptide molecules
1 distinct RNA molecule
Macromolecules (3 distinct):
Protein sex-lethal Chains: A, B
Molecule details ›
Chains: A, B
Length: 176 amino acids
Theoretical weight: 19.8 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli
UniProt:
  • Canonical: P19339 (Residues: 122-294; Coverage: 49%)
Gene names: CG43770, Sx1, Sxl
Sequence domains: RNA recognition motif
Structure domains: Alpha-Beta Plaits
RNA-binding protein Unr Chains: X, Y
Molecule details ›
Chains: X, Y
Length: 72 amino acids
Theoretical weight: 8.21 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli
UniProt:
  • Canonical: B7Z0E2 (Residues: 185-252; Coverage: 7%)
Gene names: CG7015, Unr
Sequence domains: 'Cold-shock' DNA-binding domain
Structure domains: Nucleic acid-binding proteins
msl2 mRNA Chains: C, P
Molecule details ›
Chains: C, P
Length: 18 nucleotides
Theoretical weight: 5.71 KDa

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P212121
Unit cell:
a: 94.36Å b: 110.97Å c: 139.15Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.198 0.236
Expression system: Escherichia coli