6dxx

X-ray diffraction
2.7Å resolution

Human N-acylethanolamine-hydrolyzing acid amidase (NAAA) in complex with non-covalent benzothiazole-piperazine inhibitor ARN19702, in presence of Triton X-100

Released:
Source organism: Homo sapiens
Primary publication:
Molecular mechanism of activation of the immunoregulatory amidase NAAA.
Proc Natl Acad Sci U S A 115 E10032-E10040 (2018)
PMID: 30301806

Function and Biology Details

Reactions catalysed:
N-acylsphingosine + H(2)O = a carboxylate + sphingosine
N-(long-chain-acyl)ethanolamine + H(2)O = a long-chain carboxylate + ethanolamine
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-169667 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (3 distinct):
N-acylethanolamine-hydrolyzing acid amidase subunit alpha Chains: A, C, E
Molecule details ›
Chains: A, C, E
Length: 107 amino acids
Theoretical weight: 12.32 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q02083 (Residues: 29-125; Coverage: 29%)
Gene names: ASAHL, NAAA, PLT
Sequence domains: beta subunit of N-acylethanolamine-hydrolyzing acid amidase
N-acylethanolamine-hydrolyzing acid amidase subunit beta Chains: B, D, F
Molecule details ›
Chains: B, D, F
Length: 234 amino acids
Theoretical weight: 26.34 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q02083 (Residues: 126-359; Coverage: 71%)
Gene names: ASAHL, NAAA, PLT
Sequence domains: Linear amide C-N hydrolases, choloylglycine hydrolase family

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08B1-1
Spacegroup: P21
Unit cell:
a: 76.61Å b: 99.798Å c: 92.756Å
α: 90° β: 96.13° γ: 90°
R-values:
R R work R free
0.208 0.206 0.246
Expression system: Spodoptera frugiperda