6mhm

X-ray diffraction
2.74Å resolution

Crystal structure of human acid ceramidase in covalent complex with carmofur

Released:

Function and Biology Details

Reaction catalysed:
N-acylsphingosine + H(2)O = a carboxylate + sphingosine
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-171732 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (4 distinct):
Acid ceramidase subunit alpha Chains: A, C
Molecule details ›
Chains: A, C
Length: 131 amino acids
Theoretical weight: 15.08 KDa
Source organism: Homo sapiens
Expression system: unidentified baculovirus
UniProt:
  • Canonical: Q13510 (Residues: 22-142; Coverage: 32%)
Gene names: ASAH, ASAH1, HSD-33, HSD33
Sequence domains: beta subunit of N-acylethanolamine-hydrolyzing acid amidase
Acid ceramidase subunit beta Chains: B, D
Molecule details ›
Chains: B, D
Length: 253 amino acids
Theoretical weight: 28.99 KDa
Source organism: Homo sapiens
Expression system: unidentified baculovirus
UniProt:
  • Canonical: Q13510 (Residues: 143-395; Coverage: 68%)
Gene names: ASAH, ASAH1, HSD-33, HSD33
Sequence domains: Linear amide C-N hydrolases, choloylglycine hydrolase family

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer : NEW Components: NAG
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: C2
Unit cell:
a: 153.718Å b: 68.65Å c: 98.386Å
α: 90° β: 120.73° γ: 90°
R-values:
R R work R free
0.218 0.214 0.262
Expression system: unidentified baculovirus