PDBe 3hhn

X-ray diffraction
2.99Å resolution

Crystal structure of class I ligase ribozyme self-ligation product, in complex with U1A RBD


Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
U1 small nuclear ribonucleoprotein A Chains: B, D
Molecule details ›
Chains: B, D
Length: 97 amino acids
Theoretical weight: 11.21 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P09012 (Residues: 2-98; Coverage: 34%)
Gene name: SNRPA
Sequence domains: RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain)
Structure domains: Alpha-Beta Plaits
Class I ligase ribozyme, self-ligation product Chains: C, E
Molecule details ›
Chains: C, E
Length: 137 nucleotides
Theoretical weight: 44.17 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 8-BM
Spacegroup: P1
Unit cell:
a: 59.561Å b: 70.412Å c: 70.906Å
α: 100.29° β: 99.61° γ: 103.89°
R R work R free
0.202 0.202 0.234
Expression systems:
  • Escherichia coli
  • Not provided