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Structure of the immunoglobulin tandem repeat of titin A168-A169

X-ray diffraction
2.49Å resolution
PDB entry 2j8o coloured by chain, front view.
PDB entry 2j8o coloured by chain, side view.
PDB entry 2j8o coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Titin
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Multimeric state: monomeric
Accessible surface area: 11418.16 Å2
Buried surface area: 258.03 Å2
Dissociation area: 129.02 Å2
Dissociation energy (ΔGdiss): 1.67 kcal/mol
Dissociation entropy (TΔSdiss): 0.77 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-186809
Assembly 2
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Assembly Name: Titin
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Multimeric state: monomeric
Accessible surface area: 11467.03 Å2
Buried surface area: 265.39 Å2
Dissociation area: 132.7 Å2
Dissociation energy (ΔGdiss): 0.69 kcal/mol
Dissociation entropy (TΔSdiss): 0.88 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-186809

Macromolecules

Titin
Chains: A, B
Length: 197 amino acids
Theoretical weight: 21.77 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8WZ42 (Residues: 31853-32047; Coverage: 1%)
Gene name: TTN
Pfam: Immunoglobulin I-set domain
InterPro:
CATH: Immunoglobulins
Titin in PDB entry 2j8o, assembly 1, front view.
Titin in PDB entry 2j8o, assembly 1, side view.
Titin in PDB entry 2j8o, assembly 1, top view.
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