Annotations: 6DXY

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	CBAH	e6dxyD1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Penicillin acylase, catalytic domain	F: CBAH	ECOD (1.6)
B	CBAH	e6dxyB1	A: a+b four layers	X: Ntn/PP2C	H: Ntn	T: Penicillin acylase, catalytic domain	F: CBAH	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF15508	beta subunit of N-acylethanolamine-hydrolyzing acid amidase (NAAA-beta)	beta subunit of N-acylethanolamine-hydrolyzing acid amidase	-	Family
B, D	PF02275	Linear amide C-N hydrolases, choloylglycine hydrolase family (CBAH)	Linear amide C-N hydrolases, choloylglycine hydrolase family	This family includes several hydrolases which cleave carbon-nitrogen bonds, other than peptide bonds, in linear amides. These include choloylglycine hydrolase (conjugated bile acid hydrolase, CBAH) EC:3.5.1.24, penicillin acylase EC:3.5.1.11 and aci ...	This family includes several hydrolases which cleave carbon-nitrogen bonds, other than peptide bonds, in linear amides. These include choloylglycine hydrolase (conjugated bile acid hydrolase, CBAH) EC:3.5.1.24, penicillin acylase EC:3.5.1.11 and acid ceramidase EC:3.5.1.23. This domain forms the alpha-subunit for members from vertebral species, see family NAAA-beta, Pfam:PF15508.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	N-acylethanolamine-hydrolyzing acid amidase subunit alpha	hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds N-(long-chain-acyl)ethanolamine deacylase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides fatty acid amide hydrolase activity transcription factor binding protein binding binding DNA-binding transcription factor binding N-acylsphingosine amidohydrolase activity	fatty acid metabolic process oxoacid metabolic process carboxylic acid metabolic process primary metabolic process metabolic process cellular process small molecule metabolic process monocarboxylic acid metabolic process organic acid metabolic process lipid metabolic process lipid catabolic process catabolic process phosphatidylethanolamine metabolic process glycerophospholipid metabolic process fatty acid metabolic process oxoacid metabolic process carboxylic acid metabolic process primary metabolic process metabolic process cellular process small molecule metabolic process monocarboxylic acid metabolic process organic acid metabolic process lipid metabolic process lipid catabolic process catabolic process phosphatidylethanolamine metabolic process glycerophospholipid metabolic process phospholipid metabolic process organophosphate metabolic process phosphate-containing compound metabolic process glycerolipid metabolic process amide metabolic process N-acylphosphatidylethanolamine metabolic process phosphorus metabolic process membrane lipid metabolic process polyol metabolic process organic hydroxy compound metabolic process sphingolipid metabolic process alcohol metabolic process sphingosine metabolic process sphingoid metabolic process diol metabolic process N-acylethanolamine metabolic process amine metabolic process ethanolamine-containing compound metabolic process biogenic amine metabolic process primary alcohol metabolic process	cellular anatomical structure membrane intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle organelle lytic vacuole vacuole intracellular membrane-bounded organelle lysosome
B, D	N-acylethanolamine-hydrolyzing acid amidase subunit beta	hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds N-(long-chain-acyl)ethanolamine deacylase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides fatty acid amide hydrolase activity transcription factor binding protein binding binding DNA-binding transcription factor binding N-acylsphingosine amidohydrolase activity	fatty acid metabolic process oxoacid metabolic process carboxylic acid metabolic process primary metabolic process metabolic process cellular process small molecule metabolic process monocarboxylic acid metabolic process organic acid metabolic process lipid metabolic process lipid catabolic process catabolic process phosphatidylethanolamine metabolic process glycerophospholipid metabolic process fatty acid metabolic process oxoacid metabolic process carboxylic acid metabolic process primary metabolic process metabolic process cellular process small molecule metabolic process monocarboxylic acid metabolic process organic acid metabolic process lipid metabolic process lipid catabolic process catabolic process phosphatidylethanolamine metabolic process glycerophospholipid metabolic process phospholipid metabolic process organophosphate metabolic process phosphate-containing compound metabolic process glycerolipid metabolic process amide metabolic process N-acylphosphatidylethanolamine metabolic process phosphorus metabolic process membrane lipid metabolic process polyol metabolic process organic hydroxy compound metabolic process sphingolipid metabolic process alcohol metabolic process sphingosine metabolic process sphingoid metabolic process diol metabolic process N-acylethanolamine metabolic process amine metabolic process ethanolamine-containing compound metabolic process biogenic amine metabolic process primary alcohol metabolic process	cellular anatomical structure membrane intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle organelle lytic vacuole vacuole intracellular membrane-bounded organelle lysosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR029130	Acid ceramidase, N-terminal	Domain
A, C	IPR016699	Acid ceramidase-like	Family
A, C	IPR029132	Choloylglycine hydrolase/NAAA C-terminal	Domain
B, D	IPR029130	Acid ceramidase, N-terminal	Domain
B, D	IPR016699	Acid ceramidase-like	Family
B, D	IPR029132	Choloylglycine hydrolase/NAAA C-terminal	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B, D	OCS	Parent Component: CYS RESID: AA0556 PSI-MOD : L-cysteic acid (L-cysteine sulfonic acid) MOD:00460

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.