PDBe 1aos

X-ray diffraction
4.2Å resolution


Source organism: Homo sapiens
Primary publication:
Human argininosuccinate lyase: a structural basis for intragenic complementation.
Proc. Natl. Acad. Sci. U.S.A. 94 9063-8 (1997)
PMID: 9256435

Function and Biology Details

Reaction catalysed:
2-(N(omega)-L-arginino)succinate = fumarate + L-arginine
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Argininosuccinate lyase Chains: A, B
Molecule details ›
Chains: A, B
Length: 464 amino acids
Theoretical weight: 51.98 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
  • Canonical: P04424 (Residues: 1-464; Coverage: 100%)
Gene name: ASL
Sequence domains:

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: P3121
Unit cell:
a: 104.6Å b: 104.6Å c: 183.2Å
α: 90° β: 90° γ: 120°
R R work R free
0.188 0.188 0.298
Expression system: Escherichia coli BL21