PDBe 4rf7

X-ray diffraction
2.1Å resolution

Crystal structure of double-domain arginine kinase from Anthopleura japonicas in complex with substrate L-arginine

Source organism: Anthopleura japonica
Primary publication:
Structure of a double-domain phosphagen kinase reveals an asymmetric arrangement of the tandem domains.
Acta Crystallogr. D Biol. Crystallogr. 71 779-89 (2015)
PMID: 25849389

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Arginine kinase Chains: A, B
Molecule details ›
Chains: A, B
Length: 718 amino acids
Theoretical weight: 80.44 KDa
Source organism: Anthopleura japonica
Expression system: Escherichia coli
  • Canonical: O15992 (Residues: 1-715; Coverage: 100%)
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: P21
Unit cell:
a: 78.5Å b: 59.271Å c: 162.256Å
α: 90° β: 91.31° γ: 90°
R R work R free
0.182 0.18 0.218
Expression system: Escherichia coli