PDBe 2pii

X-ray diffraction
1.9Å resolution


Source organism: Escherichia coli
Primary publication:
X-ray structure of the signal transduction protein from Escherichia coli at 1.9 A.
Acta Crystallogr. D Biol. Crystallogr. 52 93-104 (1996)
PMID: 15299730

Function and Biology Details

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Nitrogen regulatory protein P-II 1 Chain: A
Molecule details ›
Chain: A
Length: 112 amino acids
Theoretical weight: 12.44 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: P0A9Z1 (Residues: 1-112; Coverage: 100%)
Gene names: JW2537, b2553, glnB
Sequence domains: Nitrogen regulatory protein P-II
Structure domains: Alpha-Beta Plaits

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P63
Unit cell:
a: 61.6Å b: 61.6Å c: 56.3Å
α: 90° β: 90° γ: 120°
R R work R free
0.132 0.132 not available
Expression system: Escherichia coli