2j9d

X-ray diffraction
2.1Å resolution

Structure of GlnK1 with bound effectors indicates regulatory mechanism for ammonia uptake

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
homo trimer (preferred)
hetero trimer
PDBe Complex ID:
PDB-CPX-178780 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Nitrogen regulatory protein GlnK1 Chains: A, B, C, D, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, F, G, H, I, J, K, L
Length: 119 amino acids
Theoretical weight: 13.31 KDa
Source organism: Methanocaldococcus jannaschii
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q60381 (Residues: 1-112; Coverage: 100%)
Gene names: MJ0059, glnK1
Sequence domains: Nitrogen regulatory protein P-II
Structure domains: Alpha-Beta Plaits
Nitrogen regulatory protein GlnK1 Chain: E
Molecule details ›
Chain: E
Length: 119 amino acids
Theoretical weight: 13.33 KDa
Source organism: Methanocaldococcus jannaschii
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q60381 (Residues: 1-112; Coverage: 100%)
Gene names: MJ0059, glnK1
Sequence domains: Nitrogen regulatory protein P-II
Structure domains: Alpha-Beta Plaits

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P212121
Unit cell:
a: 96.6Å b: 107.03Å c: 134.34Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.21 0.207 0.265
Expression system: Escherichia coli BL21(DE3)