5ddo

X-ray diffraction
3.1Å resolution

Structural and Dynamic Basis for Low Affinity-High Selectivity Binding of L-glutamine by the Gln-riboswitch

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-140505 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
U1 small nuclear ribonucleoprotein A Chains: C, G
Molecule details ›
Chains: C, G
Length: 97 amino acids
Theoretical weight: 11.21 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P09012 (Residues: 2-98; Coverage: 34%)
Gene name: SNRPA
Sequence domains: RNA recognition motif
Structure domains: Alpha-Beta Plaits
L-glutamine riboswitch (58-MER) Chains: A, B
Molecule details ›
Chains: A, B
Length: 61 nucleotides
Theoretical weight: 19.72 KDa
Source organism: Synechococcus elongatus

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-E
Spacegroup: C2
Unit cell:
a: 80.84Å b: 99.652Å c: 88.461Å
α: 90° β: 99.05° γ: 90°
R-values:
R R work R free
0.23 0.227 0.289
Expression system: Escherichia coli