Gene Information
Gene NameNAPA
OrganismHomo sapiens (Human)
Gene Length420
Protein NamesNapsin-A (EC 3.4.23.-) (Aspartyl protease 4) (ASP4) (Asp 4) (Napsin-1) (TA01/TA02)
Target NameNA
Target TypeNA
Gene Age>4290 ( ENSG00000105402 )
Evolutionary StageEukaryota
AlphaFoldDBO96009
Gene CardNAPSA
Uniprot IDO96009
PfamPF00026
In ASDno
Allosteric Predictionno (-0.33284475)
Ortholog in AnimalsAlpaca_ NAPA ( ortholog_one2one )
Dog_ NAPA ( ortholog_one2one )
GuineaPig_ NAPA ( ortholog_one2one )
Macaque_ NAPA ( ortholog_one2one )
Mouse_ Napa ( ortholog_one2one )
Pig_ NAPA ( ortholog_one2one )
Rat_ Napa ( ortholog_one2one )
Rabbit_ NAPA ( ortholog_one2one )
OhnologsNA
ParalogsNAPB, NAPG
TissueNA
Tissue SpecificityExpressed predominantly in adult lung (type II pneumocytes) and kidney and in fetal lung. Low levels in adult spleen and very low levels in peripheral blood leukocytes.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs676314  rs11670727 
Subcellular location [CC]Secreted {ECO:0000305}.
Mouse PG classificationNA
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