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Crystal structure of S-nitroso thioredoxin

X-ray diffraction
1.2Å resolution
PDB entry 2ifq coloured by chain, front view.
PDB entry 2ifq coloured by chain, side view.
PDB entry 2ifq coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
monomeric (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1
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Assembly Name: Thioredoxin
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Multimeric state: monomeric
Accessible surface area: 5630.75 Å2
Buried surface area: 0.0 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-145348
Assembly 2
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Assembly Name: Thioredoxin
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Multimeric state: monomeric
Accessible surface area: 5712.5 Å2
Buried surface area: 125.24 Å2
Dissociation area: 62.62 Å2
Dissociation energy (ΔGdiss): -0.54 kcal/mol
Dissociation entropy (TΔSdiss): -1.28 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-145348
Assembly 3 (preferred)
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Assembly Name: Thioredoxin
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Multimeric state: monomeric
Accessible surface area: 5759.68 Å2
Buried surface area: 502.02 Å2
Dissociation area: 111.35 Å2
Dissociation energy (ΔGdiss): -1.56 kcal/mol
Dissociation entropy (TΔSdiss): -1.28 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-145348

Macromolecules

Thioredoxin
Chains: A, C
Length: 105 amino acids
Theoretical weight: 11.78 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P10599 (Residues: 1-105; Coverage: 100%)
Gene names: TRDX, TRX, TRX1, TXN
Pfam: Thioredoxin
InterPro:
CATH: Glutaredoxin
SCOP: Thioltransferase
Thioredoxin in PDB entry 2ifq, assembly 3, front view.
Thioredoxin in PDB entry 2ifq, assembly 3, side view.
Thioredoxin in PDB entry 2ifq, assembly 3, top view.
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Thioredoxin
Chain: B
Length: 105 amino acids
Theoretical weight: 11.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P10599 (Residues: 1-105; Coverage: 100%)
Gene names: TRDX, TRX, TRX1, TXN
Pfam: Thioredoxin
InterPro:
CATH: Glutaredoxin
SCOP: Thioltransferase
Thioredoxin in PDB entry 2ifq, assembly 2, front view.
Thioredoxin in PDB entry 2ifq, assembly 2, side view.
Thioredoxin in PDB entry 2ifq, assembly 2, top view.
Molecule details ›

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