Structure analysis

Structure and Mechanism of T4 Polynucleotide Kinase

X-ray diffraction
2Å resolution
Source organism: Escherichia virus T4
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule


Assembly 1 (preferred)
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Multimeric state: homo dimer
Accessible surface area: 16200 Å2
Buried surface area: 3600 Å2
Dissociation area: 1,000 Å2
Dissociation energy (ΔGdiss): 7 kcal/mol
Dissociation entropy (TΔSdiss): 12 kcal/mol
Interface energy (ΔGint): -131 kcal/mol
Symmetry number: 2


Chain: A
Length: 181 amino acids
Theoretical weight: 20.67 KDa
Source organism: Escherichia virus T4
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P06855 (Residues: 1-181; Coverage: 60%)
Gene name: pseT
Pfam: AAA domain
CATH: P-loop containing nucleotide triphosphate hydrolases
SCOP: Nucleotide and nucleoside kinases

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