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MIRAGE

napsin A aspartic peptidase

Summary

Gene Symbol

NAPSA

Organism

Homo sapiens (human)

External Links

NCBI Gene

9476

KEGG Gene ID

PubChem

9476

Alliance of Genome Resources

HGNC:13395

Annotation

Keyword

Aspartyl protease
Direct protein sequencing
Disulfide bond
Glycoprotein
Proteomics identification
Reference proteome
Secreted
Signal
Zymogen

Proteins

Displaying **all 2** entries
UniProt	Protein Name
M0QXC5
O96009	Aspartyl protease 4 Napsin-1 TA01/TA02

Annotation information from UniProt.

Gene Ontology (GO)

Displaying entries **1 - 5** of 6 in total

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GO Term	Evidence Code	PMID
proteolysis	NAS
proteolysis	IBA
proteolysis	IEA
membrane protein proteolysis	IDA
membrane protein proteolysis	IEA

GO Hierarchy

biological process

cellular process [inference]

metabolic process [inference]

macromolecule metabolic process [inference]

protein metabolic process [inference]

membrane protein proteolysis

primary metabolic process [inference]

protein metabolic process [inference]

membrane protein proteolysis

multicellular organismal process [inference]

multicellular organismal-level homeostasis [inference]

multicellular organismal-level chemical homeostasis [inference]

surfactant homeostasis

homeostatic process [inference]

multicellular organismal-level homeostasis [inference]

multicellular organismal-level chemical homeostasis [inference]

surfactant homeostasis

chemical homeostasis [inference]

multicellular organismal-level chemical homeostasis [inference]

surfactant homeostasis

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

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GO Term	Evidence Code	PMID
extracellular region	IDA
extracellular region	IBA
extracellular region	IEA
obsolete extracellular space
lysosome	IDA

GO Hierarchy

cellular component

cellular anatomical structure [inference]

extracellular region

membrane-enclosed lumen [inference]

organelle lumen [inference]

intracellular organelle lumen [inference]

endosome lumen [inference]

late endosome lumen [inference]

multivesicular body lumen

organelle [inference]

membrane-bounded organelle [inference]

vesicle [inference]

intracellular vesicle [inference]

cytoplasmic vesicle [inference]

secretory vesicle [inference]

secretory granule [inference]

lamellar body [inference]

alveolar lamellar body

extracellular vesicle [inference]

extracellular exosome

intracellular membrane-bounded organelle [inference]

vacuole [inference]

lytic vacuole [inference]

lysosome

intracellular vesicle [inference]

cytoplasmic vesicle [inference]

secretory vesicle [inference]

secretory granule [inference]

lamellar body [inference]

alveolar lamellar body

extracellular membrane-bounded organelle [inference]

extracellular vesicle [inference]

extracellular exosome

intracellular organelle [inference]

intracellular membrane-bounded organelle [inference]

vacuole [inference]

lytic vacuole [inference]

lysosome

intracellular vesicle [inference]

cytoplasmic vesicle [inference]

secretory vesicle [inference]

secretory granule [inference]

lamellar body [inference]

alveolar lamellar body

extracellular organelle [inference]

extracellular membrane-bounded organelle [inference]

extracellular vesicle [inference]

extracellular exosome

Displaying entries **1 - 5** of 7 in total

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GO Term	Evidence Code	PMID
endopeptidase activity	IDA
endopeptidase activity	IEA
aspartic-type endopeptidase activity	NAS
aspartic-type endopeptidase activity	IBA
aspartic-type endopeptidase activity	IEA

GO Hierarchy

molecular function

catalytic activity [inference]

hydrolase activity [inference]

peptidase activity

endopeptidase activity

aspartic-type endopeptidase activity

aspartic-type peptidase activity [inference]

aspartic-type endopeptidase activity

catalytic activity, acting on a protein [inference]

peptidase activity

endopeptidase activity

aspartic-type endopeptidase activity

aspartic-type peptidase activity [inference]

aspartic-type endopeptidase activity

binding [inference]

protein binding

Gene Ontology information from NCBI Gene and UniProt.

Ortholog

Displaying **all 4** entries
Species	Gene ID	Alliance of Genome Resources
Mus musculus	16541	MGI:109365
Caenorhabditis elegans	180947	WB:WBGene00000216
Saccharomyces cerevisiae S288C	855949	SGD:S000006075
Danio rerio	336746	ZFIN:ZDB-GENE-030131-8690

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GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

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

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GlyCosmos Portal v4.5.0

Last updated: April 6, 2026