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The crystal structure of thymidylate kinase from Pseudomonas aeruginosa PAO1 in complex with deoxythymidine.

X-ray diffraction
1.95Å resolution
PDB entry 4esh coloured by chain, front view.
PDB entry 4esh coloured by chain, side view.
PDB entry 4esh coloured by chain, top view.
Source organism: Pseudomonas aeruginosa PAO1
Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Thymidylate kinase
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Multimeric state: monomeric
Accessible surface area: 10585.55 Å2
Buried surface area: 517.47 Å2
Dissociation area: 258.73 Å2
Dissociation energy (ΔGdiss): -2.34 kcal/mol
Dissociation entropy (TΔSdiss): 3.4 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-191203
Assembly 2
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Assembly Name: Thymidylate kinase
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Multimeric state: homo dimer
Accessible surface area: 18872.31 Å2
Buried surface area: 3333.72 Å2
Dissociation area: 1,149.39 Å2
Dissociation energy (ΔGdiss): 11.4 kcal/mol
Dissociation entropy (TΔSdiss): 12.62 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-191204

Macromolecules

Thymidylate kinase
Chain: A
Length: 213 amino acids
Theoretical weight: 23.41 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9HZN8 (Residues: 1-210; Coverage: 100%)
Gene names: PA2962, tmk
Pfam: Thymidylate kinase
InterPro:
CATH: P-loop containing nucleotide triphosphate hydrolases
Thymidylate kinase in PDB entry 4esh, assembly 1, front view.
Thymidylate kinase in PDB entry 4esh, assembly 1, side view.
Thymidylate kinase in PDB entry 4esh, assembly 1, top view.
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