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CRYSTAL STRUCTURE OF A PUTATIVE XANTHOSINE TRIPHOSPHATE PYROPHOSPHATASE/HAM1 PROTEIN HOMOLOG (TM0159) FROM THERMOTOGA MARITIMA AT 1.78 A RESOLUTION

X-ray diffraction
1.78Å resolution
PDB entry 1vp2 coloured by chain, front view.
PDB entry 1vp2 coloured by chain, side view.
PDB entry 1vp2 coloured by chain, top view.
Source organism: Thermotoga maritima
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: dITP/XTP pyrophosphatase
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Multimeric state: homo tetramer
Accessible surface area: 30967.82 Å2
Buried surface area: 7271.79 Å2
Dissociation area: 2,832.65 Å2
Dissociation energy (ΔGdiss): 4.12 kcal/mol
Dissociation entropy (TΔSdiss): 38.78 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-194449

Macromolecules

dITP/XTP pyrophosphatase
Chains: A, B
Length: 208 amino acids
Theoretical weight: 23.83 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9WY06 (Residues: 1-196; Coverage: 100%)
Gene name: TM_0159
Pfam: Ham1 family
InterPro:
CATH: Maf protein
SCOP: ITPase (Ham1)
dITP/XTP pyrophosphatase in PDB entry 1vp2, assembly 1, front view.
dITP/XTP pyrophosphatase in PDB entry 1vp2, assembly 1, side view.
dITP/XTP pyrophosphatase in PDB entry 1vp2, assembly 1, top view.
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