PDBe 1zh5

X-ray diffraction
1.85Å resolution

Structural basis for recognition of UUUOH 3'-terminii of nascent RNA pol III transcripts by La autoantigen


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Lupus La protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 195 amino acids
Theoretical weight: 23.04 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P05455 (Residues: 1-194; Coverage: 48%)
Gene name: SSB
Sequence domains:
Structure domains:
5'-R(*UP*GP*CP*UP*GP*UP*UP*UP*U)-3' Chains: C, D
Molecule details ›
Chains: C, D
Length: 9 nucleotides
Theoretical weight: 2.79 KDa
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P21212
Unit cell:
a: 156.209Å b: 55.03Å c: 57.782Å
α: 90° β: 90° γ: 90°
R R work R free
0.203 0.2 0.245
Expression systems:
  • Escherichia coli
  • Not provided