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Crystal structure of AtTTM3 in complex with tripolyphosphate and manganese ion (form A)

X-ray diffraction
2.05Å resolution
PDB entry 5a66 coloured by chain, front view.
PDB entry 5a66 coloured by chain, side view.
PDB entry 5a66 coloured by chain, top view.
Source organism: Arabidopsis thaliana
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: Triphosphate tunnel metalloenzyme 3
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Multimeric state: monomeric
Accessible surface area: 10755.41 Å2
Buried surface area: 1428.17 Å2
Dissociation area: 94.59 Å2
Dissociation energy (ΔGdiss): -2.02 kcal/mol
Dissociation entropy (TΔSdiss): -0.26 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-193465
Assembly 2 (preferred)
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Assembly Name: Triphosphate tunnel metalloenzyme 3
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Multimeric state: monomeric
Accessible surface area: 10962.33 Å2
Buried surface area: 960.77 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-193465

Macromolecules

Triphosphate tunnel metalloenzyme 3
Chains: A, B
Length: 212 amino acids
Theoretical weight: 24.32 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9SIY3 (Residues: 1-210; Coverage: 100%)
Gene names: At2g11890, F23M2.5, TTM3
Pfam: CYTH domain
InterPro:
CATH: Hypothetical Protein Pfu-838710-001
Triphosphate tunnel metalloenzyme 3 in PDB entry 5a66, assembly 2, front view.
Triphosphate tunnel metalloenzyme 3 in PDB entry 5a66, assembly 2, side view.
Triphosphate tunnel metalloenzyme 3 in PDB entry 5a66, assembly 2, top view.
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