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Crystal structure of Thermotoga maritima encapsulin

X-ray diffraction
3.104Å resolution
PDB entry 3dkt coloured by chain, front view.
PDB entry 3dkt coloured by chain, side view.
PDB entry 3dkt coloured by chain, top view.
Source organism: Thermotoga maritima
Assembly composition:
hetero 120-mer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Ferritin-like protein and Type 1 encapsulin shell protein
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Multimeric state: hetero 120-mer
Accessible surface area: 567614.5 Å2
Buried surface area: 352339.68 Å2
Dissociation area: 34,220.69 Å2
Dissociation energy (ΔGdiss): -128.12 kcal/mol
Dissociation entropy (TΔSdiss): 399.91 kcal/mol
Symmetry number: 60
PDBe Complex ID: PDB-CPX-194623

Macromolecules

Type 1 encapsulin shell protein
Chains: A, B, C, D, E, F, G, H, I, J
Length: 265 amino acids
Theoretical weight: 30.52 KDa
Source organism: Thermotoga maritima
UniProt:
  • Canonical: Q9WZP2 (Residues: 1-265; Coverage: 100%)
Gene names: TM_0785, enc
Pfam: Encapsulating protein for peroxidase
InterPro: Type 1 encapsulin shell protein
CATH:
Type 1 encapsulin shell protein in PDB entry 3dkt, assembly 1, front view.
Type 1 encapsulin shell protein in PDB entry 3dkt, assembly 1, side view.
Type 1 encapsulin shell protein in PDB entry 3dkt, assembly 1, top view.
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Ferritin-like protein
Chains: K, L, M, N, O, P, Q, R, S, T
Length: 8 amino acids
Theoretical weight: 817 Da
Source organism: Thermotoga maritima
UniProt:
  • Canonical: Q9WZP3 (Residues: 106-113; Coverage: 7%)
Gene name: TM_0786
Ferritin-like protein in PDB entry 3dkt, assembly 1, front view.
Ferritin-like protein in PDB entry 3dkt, assembly 1, side view.
Ferritin-like protein in PDB entry 3dkt, assembly 1, top view.
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