PDBe 1rl9

X-ray diffraction
1.45Å resolution

Crystal structure of Creatine-ADP arginine kinase ternary complex

Source organism: Limulus polyphemus
Primary publication:
The role of phosphagen specificity loops in arginine kinase.
Protein Sci. 13 575-85 (2004)
PMID: 14978299

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Arginine kinase Chain: A
Molecule details ›
Chain: A
Length: 357 amino acids
Theoretical weight: 40.31 KDa
Source organism: Limulus polyphemus
Expression system: Escherichia coli BL21
  • Canonical: P51541 (Residues: 1-357; Coverage: 100%)
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: P212121
Unit cell:
a: 64.1Å b: 65.3Å c: 85.8Å
α: 90° β: 90° γ: 90°
R R work R free
0.197 0.194 0.237
Expression system: Escherichia coli BL21