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MIRAGE

N-acylsphingosine amidohydrolase 1

Summary

Gene Symbol

Asah1

Organism

Rattus norvegicus (Norway rat)

External Links

NCBI Gene

84431

KEGG Gene ID

PubChem

84431

Alliance of Genome Resources

RGD:621568

Annotation

Keyword

Disulfide bond
Glycoprotein
Hydrolase
Lysosome
Reference proteome
Secreted
Signal
Sphingolipid metabolism
Zymogen

Proteins

Displaying 1 entry
UniProt	Protein Name
Q6P7S1	Acylsphingosine deacylase N-acylethanolamine hydrolase ASAH1 N-acylsphingosine amidohydrolase

Annotation information from UniProt.

Gene Ontology (GO)

Displaying entries **1 - 5** of 19 in total

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GO Term	Evidence Code	PMID
fatty acid metabolic process	IEA
sphingolipid metabolic process	IEA
keratinocyte differentiation	ISS
keratinocyte differentiation	ISO
lung development	IDA

GO Hierarchy

biological process

cellular process [inference]

metabolic process [inference]

catabolic process [inference]

lipid catabolic process [inference]

sphingolipid catabolic process [inference]

ceramide catabolic process

biosynthetic process [inference]

lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

sphingoid biosynthetic process [inference]

sphingosine biosynthetic process

small molecule biosynthetic process [inference]

alcohol biosynthetic process [inference]

polyol biosynthetic process [inference]

diol biosynthetic process [inference]

sphingosine biosynthetic process

primary metabolic process [inference]

lipid metabolic process [inference]

fatty acid metabolic process

sphingolipid metabolic process

ceramide metabolic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

sphingoid biosynthetic process [inference]

sphingosine biosynthetic process

sphingolipid catabolic process [inference]

ceramide catabolic process

sphingoid metabolic process [inference]

sphingosine metabolic process [inference]

sphingosine biosynthetic process

sphingoid biosynthetic process [inference]

sphingosine biosynthetic process

lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

sphingoid biosynthetic process [inference]

sphingosine biosynthetic process

lipid catabolic process [inference]

sphingolipid catabolic process [inference]

ceramide catabolic process

small molecule metabolic process [inference]

alcohol metabolic process [inference]

polyol metabolic process [inference]

diol metabolic process [inference]

sphingosine metabolic process [inference]

sphingosine biosynthetic process

diol biosynthetic process [inference]

sphingosine biosynthetic process

polyol biosynthetic process [inference]

diol biosynthetic process [inference]

sphingosine biosynthetic process

alcohol biosynthetic process [inference]

polyol biosynthetic process [inference]

diol biosynthetic process [inference]

sphingosine biosynthetic process

organic acid metabolic process [inference]

oxoacid metabolic process [inference]

carboxylic acid metabolic process [inference]

monocarboxylic acid metabolic process [inference]

fatty acid metabolic process

small molecule biosynthetic process [inference]

alcohol biosynthetic process [inference]

polyol biosynthetic process [inference]

diol biosynthetic process [inference]

sphingosine biosynthetic process

cellular developmental process [inference]

cell differentiation [inference]

epithelial cell differentiation [inference]

epidermal cell differentiation [inference]

keratinocyte differentiation

developmental process [inference]

anatomical structure development [inference]

animal organ development [inference]

lung development

cellular developmental process [inference]

cell differentiation [inference]

epithelial cell differentiation [inference]

epidermal cell differentiation [inference]

keratinocyte differentiation

response to stimulus [inference]

response to chemical [inference]

response to peptide [inference]

response to cytokine [inference]

response to tumor necrosis factor [inference]

cellular response to tumor necrosis factor

cellular response to cytokine stimulus [inference]

cellular response to tumor necrosis factor

biological regulation [inference]

regulation of biological process [inference]

negative regulation of biological process [inference]

negative regulation of cellular process [inference]

negative regulation of metabolic process [inference]

negative regulation of biosynthetic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of macromolecule metabolic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of cellular process [inference]

regulation of metabolic process [inference]

regulation of biosynthetic process [inference]

negative regulation of biosynthetic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of macromolecule biosynthetic process [inference]

regulation of gene expression [inference]

regulation of DNA-templated transcription [inference]

negative regulation of DNA-templated transcription

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of RNA biosynthetic process [inference]

regulation of DNA-templated transcription [inference]

negative regulation of DNA-templated transcription

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of lipid biosynthetic process [inference]

regulation of steroid biosynthetic process

negative regulation of metabolic process [inference]

negative regulation of biosynthetic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of macromolecule metabolic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of macromolecule metabolic process [inference]

regulation of macromolecule biosynthetic process [inference]

regulation of gene expression [inference]

regulation of DNA-templated transcription [inference]

negative regulation of DNA-templated transcription

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of RNA biosynthetic process [inference]

regulation of DNA-templated transcription [inference]

negative regulation of DNA-templated transcription

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of macromolecule metabolic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of RNA metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of RNA biosynthetic process [inference]

regulation of DNA-templated transcription [inference]

negative regulation of DNA-templated transcription

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of primary metabolic process [inference]

regulation of lipid metabolic process [inference]

regulation of steroid metabolic process [inference]

regulation of steroid biosynthetic process

regulation of lipid biosynthetic process [inference]

regulation of steroid biosynthetic process

regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of RNA metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of RNA biosynthetic process [inference]

regulation of DNA-templated transcription [inference]

negative regulation of DNA-templated transcription

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

regulation of programmed cell death [inference]

regulation of programmed necrotic cell death

negative regulation of cellular process [inference]

negative regulation of metabolic process [inference]

negative regulation of biosynthetic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of macromolecule metabolic process [inference]

negative regulation of macromolecule biosynthetic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

negative regulation of nucleobase-containing compound metabolic process [inference]

negative regulation of RNA metabolic process [inference]

negative regulation of RNA biosynthetic process [inference]

negative regulation of DNA-templated transcription

Displaying entries **1 - 5** of 11 in total

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GO Term	Evidence Code	PMID
extracellular region	ISS
extracellular region	ISO
extracellular region	IEA
obsolete extracellular space
nucleus	ISO

GO Hierarchy

cellular component

cellular anatomical structure [inference]

organelle [inference]

membrane-bounded organelle [inference]

vesicle [inference]

intracellular vesicle [inference]

cytoplasmic vesicle [inference]

endosome [inference]

early endosome

intracellular membrane-bounded organelle [inference]

nucleus

vacuole [inference]

lytic vacuole [inference]

lysosome

endoplasmic reticulum

intracellular vesicle [inference]

cytoplasmic vesicle [inference]

endosome [inference]

early endosome

intracellular organelle [inference]

intracellular membrane-bounded organelle [inference]

nucleus

vacuole [inference]

lytic vacuole [inference]

lysosome

endoplasmic reticulum

intracellular vesicle [inference]

cytoplasmic vesicle [inference]

endosome [inference]

early endosome

Displaying entries **1 - 5** of 8 in total

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GO Term	Evidence Code	PMID
transcription corepressor activity	ISO
hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides	ISO
nuclear receptor binding	ISO
N-acylsphingosine amidohydrolase activity	ISS
N-acylsphingosine amidohydrolase activity	ISO

GO Hierarchy

molecular function

catalytic activity [inference]

hydrolase activity [inference]

hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds [inference]

hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides

binding [inference]

protein binding [inference]

transcription factor binding [inference]

DNA-binding transcription factor binding [inference]

RNA polymerase II-specific DNA-binding transcription factor binding [inference]

nuclear receptor binding

transcription regulator activity [inference]

transcription coregulator activity [inference]

transcription corepressor activity

Gene Ontology information from NCBI Gene and UniProt.

Rhea

H₂O + an N-acylsphing-4-enine

a fatty acid + sphing-4-enine

Enzyme

3.5.1.23

PMID

LIPID MAPS Gene / Proteome Database

LMPD ID: LMP012813
Gene Name: N-acylsphingosine amidohydrolase (acid ceramidase) 1

Ortholog

Displaying **all 4** entries
Species	Gene ID	Alliance of Genome Resources
Mus musculus	11886	MGI:1277124
Caenorhabditis elegans	185021	WB:WBGene00009192
Caenorhabditis elegans	173120	WB:WBGene00010769
Homo sapiens	427	HGNC:735

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Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01

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Last updated: April 6, 2026