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Structure of PII signaling protein GlnZ from Azospirillum brasilense in complex with adenosine triphosphate

X-ray diffraction
1.05Å resolution
PDB entry 4co3 coloured by chain, front view.
PDB entry 4co3 coloured by chain, side view.
PDB entry 4co3 coloured by chain, top view.
Source organism: Azospirillum brasilense
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Nitrogen regulatory protein P-II
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Multimeric state: homo trimer
Accessible surface area: 14409.86 Å2
Buried surface area: 9413.88 Å2
Dissociation area: 3,732.14 Å2
Dissociation energy (ΔGdiss): 33.85 kcal/mol
Dissociation entropy (TΔSdiss): 24.51 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-159757
Assembly 2
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Assembly Name: Nitrogen regulatory protein P-II
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Multimeric state: homo trimer
Accessible surface area: 14236.73 Å2
Buried surface area: 9195.8 Å2
Dissociation area: 3,650.05 Å2
Dissociation energy (ΔGdiss): 29.58 kcal/mol
Dissociation entropy (TΔSdiss): 24.51 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-159757

Macromolecules

Nitrogen regulatory protein P-II
Chains: A, B
Length: 112 amino acids
Theoretical weight: 12.29 KDa
Source organism: Azospirillum brasilense
UniProt:
  • Canonical: P70731 (Residues: 1-112; Coverage: 100%)
Gene names: C1S70_14085, CHT98_00165, D3093_10400, D3867_12440, D3868_07935, D3869_07130, FBZ82_105367, FBZ83_10540, FH063_005223, glnZ
Pfam: Nitrogen regulatory protein P-II
InterPro:
CATH: Alpha-Beta Plaits
Nitrogen regulatory protein P-II in PDB entry 4co3, assembly 1, front view.
Nitrogen regulatory protein P-II in PDB entry 4co3, assembly 1, side view.
Nitrogen regulatory protein P-II in PDB entry 4co3, assembly 1, top view.
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