6dxw

X-ray diffraction
2.3Å resolution

Human N-acylethanolamine-hydrolyzing acid amidase (NAAA) precursor (C126A)

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-169666 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (4 distinct):
N-acylethanolamine-hydrolyzing acid amidase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 341 amino acids
Theoretical weight: 38.57 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q02083 (Residues: 29-359; Coverage: 100%)
Gene names: ASAHL, NAAA, PLT
Sequence domains:

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer : NEW Components: NAG, FUC
Carbohydrate polymer : NEW Components: NAG, FUC
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: P21
Unit cell:
a: 87.909Å b: 140.011Å c: 90.123Å
α: 90° β: 115.2° γ: 90°
R-values:
R R work R free
0.168 0.167 0.193
Expression system: Spodoptera frugiperda