2aeb

X-ray diffraction
1.29Å resolution

Crystal structure of human arginase I at 1.29 A resolution and exploration of inhibition in immune response.

Released:

Function and Biology Details

Reaction catalysed:
L-arginine + H(2)O = L-ornithine + urea
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-138411 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Arginase-1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 322 amino acids
Theoretical weight: 34.78 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P05089 (Residues: 1-322; Coverage: 100%)
Gene name: ARG1
Sequence domains: Arginase family
Structure domains: Ureohydrolase domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE F1
Spacegroup: P3
Unit cell:
a: 91.422Å b: 91.422Å c: 69.637Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
not available not available 0.152
Expression system: Escherichia coli