PDBe 3ju6

X-ray diffraction
2.45Å resolution

Crystal Structure of Dimeric Arginine Kinase in Complex with AMPPNP and Arginine


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Arginine kinase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 370 amino acids
Theoretical weight: 42.77 KDa
Source organism: Apostichopus japonicus
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q9XY07 (Residues: 1-370; Coverage: 100%)
Gene name: AK
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4C
Spacegroup: P21
Unit cell:
a: 86.823Å b: 60.073Å c: 139.946Å
α: 90° β: 93.08° γ: 90°
R R work R free
0.225 0.214 0.254
Expression system: Escherichia coli BL21(DE3)