› 2eg1

X-ray diffraction
1.8Å resolution

The crystal structure of PII protein

Released:
DOI: 10.2210/pdb2eg1/pdb
PDB entry 2eg1 coloured by chain, front view.
PDB entry 2eg1 coloured by chain, side view.
PDB entry 2eg1 coloured by chain, top view.
Source organism: Aquifex aeolicus
Entry authors: Sakai H, Shinkai A, Kitamura Y, Kuramitsu S, Yokoyama S, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assemblies composition:
homo trimer (preferred)
homo dodecamer
Assembly name:
PDBe Complex ID:
PDB-CPX-130325 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nitrogen regulatory protein P-II Chain: A
Molecule details ›
Chain: A
Length: 112 amino acids
Theoretical weight: 12.52 KDa
Source organism: Aquifex aeolicus
Expression system: Escherichia coli
UniProt:
  • Canonical: O66513 (Residues: 1-112; Coverage: 100%)
Gene names: aq_109, glnB
Sequence domains: Nitrogen regulatory protein P-II
Structure domains: Alpha-Beta Plaits

Ligands and Environments

2 bound ligands:
Ligand SO4 2 x SO4
Ligand CL 1 x CL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B2
Spacegroup: I23
Unit cell:
a: 81.04Å b: 81.04Å c: 81.04Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.185 0.185 0.223
Expression system: Escherichia coli

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