Structure analysis

Crystal Structure of 30S ribosomal subunit from Thermus thermophilus

X-ray diffraction
3.602Å resolution
Source organism: Thermus thermophilus HB8
Assembly composition:
hetero 21-mer (preferred)
Entry contents: 20 distinct polypeptide molecules
1 distinct RNA molecule

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 21-mer
Accessible surface area: 277854.95 Å2
Buried surface area: 115763.74 Å2
Dissociation area: 1,571.39 Å2
Dissociation energy (ΔGdiss): 14.64 kcal/mol
Dissociation entropy (TΔSdiss): 12.7 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-215704

Macromolecules

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Chain: L
Length: 135 amino acids
Theoretical weight: 14.97 KDa
Source organism: Thermus thermophilus HB8
UniProt:
  • Canonical: F6DEQ7 (Residues: 1-135; Coverage: 100%)
Gene names: Ththe16_1715, rpsL
Pfam: Ribosomal protein S12/S23
InterPro:
CATH: Nucleic acid-binding proteins

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Chain: O
Length: 89 amino acids
Theoretical weight: 10.58 KDa
Source organism: Thermus thermophilus HB8
UniProt:
  • Canonical: Q5SJ76 (Residues: 1-89; Coverage: 100%)
Gene names: TTHA1138, rpsO
Pfam: Ribosomal protein S15
InterPro:
CATH: S15/NS1, RNA-binding

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Chain: P
Length: 88 amino acids
Theoretical weight: 10.41 KDa
Source organism: Thermus thermophilus HB8
UniProt:
  • Canonical: Q5SJH3 (Residues: 1-88; Coverage: 100%)
Gene names: TTHA1035, rpsP
Pfam: Ribosomal protein S16
InterPro:
CATH: S16 Ribosomal Protein; Chain: A;

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Chain: R
Length: 88 amino acids
Theoretical weight: 10.26 KDa
Source organism: Thermus thermophilus HB8
UniProt:
  • Canonical: Q5SLQ0 (Residues: 1-88; Coverage: 100%)
Gene names: TTHA0243, rpsR
Pfam: Ribosomal protein S18
InterPro:
CATH: Ribosomal protein S18

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Chain: T
Length: 106 amino acids
Theoretical weight: 11.74 KDa
Source organism: Thermus thermophilus HB8
UniProt:
  • Canonical: P80380 (Residues: 1-106; Coverage: 100%)
Gene names: TTHA1397, rps20, rpsT
Pfam: Ribosomal protein S20
InterPro:
CATH: Ribosomal protein S20

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Chain: U
Length: 27 amino acids
Theoretical weight: 3.35 KDa
Source organism: Thermus thermophilus HB8
UniProt:
  • Canonical: Q5SIH3 (Residues: 1-27; Coverage: 100%)
Gene names: TTHA1396, rpsU
Pfam: 30S ribosomal protein Thx
InterPro:

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Name: 16S ribosomal RNA
Representative chains: A
Length: 1522 nucleotides
Theoretical weight: 494.17 KDa
Rfam: Bacterial small subunit ribosomal RNA

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