1xnr

X-ray diffraction
3.1Å resolution

Crystal Structure of an Inosine-Cytosine Wobble Base Pair in the Context of the Decoding Center

Released:
Model geometry
Fit model/data
Source organism: Thermus thermophilus
Primary publication:
Structure of a purine-purine wobble base pair in the decoding center of the ribosome.
Nat Struct Mol Biol 11 1251-2 (2004)
PMID: 15558050

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero 23-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-250103 (preferred)
Entry contents:
20 distinct polypeptide molecules
3 distinct RNA molecules
Macromolecules (23 distinct):
Small ribosomal subunit protein uS2 Chain: B
Molecule details ›
Chain: B
Length: 256 amino acids
Theoretical weight: 29.32 KDa
Source organism: Thermus thermophilus
UniProt:
  • Canonical: P80371 (Residues: 1-256; Coverage: 100%)
Gene names: TTHA0861, rps2, rpsB
Sequence domains: Ribosomal protein S2
Structure domains:
Small ribosomal subunit protein uS3 Chain: C
Molecule details ›
Chain: C
Length: 239 amino acids
Theoretical weight: 26.75 KDa
Source organism: Thermus thermophilus
UniProt:
  • Canonical: P80372 (Residues: 1-239; Coverage: 100%)
Gene names: TTHA1686, rps3, rpsC
Sequence domains:
Structure domains:
Small ribosomal subunit protein uS4 Chain: D
Small ribosomal subunit protein uS5 Chain: E
Small ribosomal subunit protein bS6 Chain: F
Small ribosomal subunit protein uS7 Chain: G
Small ribosomal subunit protein uS8 Chain: H
Small ribosomal subunit protein uS9 Chain: I
Small ribosomal subunit protein uS10 Chain: J
Small ribosomal subunit protein uS11 Chain: K
Small ribosomal subunit protein uS12 Chain: L
Small ribosomal subunit protein uS13 Chain: M
Small ribosomal subunit protein uS14 Chain: N
Small ribosomal subunit protein uS15 Chain: O
Small ribosomal subunit protein bS16 Chain: P
Small ribosomal subunit protein uS17 Chain: Q
Small ribosomal subunit protein bS18 Chain: R
Small ribosomal subunit protein uS19 Chain: S
Small ribosomal subunit protein bS20 Chain: T
Small ribosomal subunit protein bTHX Chain: V
16S ribosomal RNA Chain: A
Anticodon tRNA Chain: X
Messenger RNA Chain: W

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P41212
Unit cell:
a: 401.122Å b: 401.122Å c: 175.899Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.235 0.227 0.273