Gene Information
Gene NameCTSE
OrganismHomo sapiens (Human)
Gene Length396
Protein NamesCathepsin E (EC 3.4.23.34) [Cleaved into: Cathepsin E form I; Cathepsin E form II]
Target Namecathepsin e
Target TypeLiterature-reported target
Gene Age454 ( ENSG00000196188 )
Evolutionary StageEukaryota
AlphaFoldDBP14091
Gene CardCTSE
Uniprot IDP14091
PfamPF07966; PF00026
In ASDno
Allosteric Predictionyes (0.209941394)
Ortholog in AnimalsAlpaca_ CTSE ( ortholog_one2one )
Dog_ CTSE ( ortholog_one2one )
GuineaPig_ CTSE ( ortholog_one2one )
Macaque_ CTSE ( ortholog_one2one )
Mouse_ Ctse ( ortholog_one2one )
Rat_ Ctse ( ortholog_one2one )
Rabbit_ CTSE ( ortholog_one2one )
OhnologsPGC, CTSD
ParalogsPGC, BACE2, REN, BACE1, NAPSA, CTSD, PGA5, PGA4, PGA3
Tissuestomach, small.intestine
Tissue SpecificityExpressed abundantly in the stomach, the Clara cells of the lung and activated B-lymphocytes, and at lower levels in lymph nodes, skin and spleen. Not expressed in resting B-lymphocytes. {ECO:0000269|PubMed:11322887, ECO:0000269|PubMed:1370478, ECO:0000269|PubMed:8765029}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1TZS  (X-ray  2.35A 
DBSNP rs57621203  rs6503 
Subcellular location [CC]Endosome {ECO:0000269|PubMed:7983070}. Note=The proenzyme is localized to the endoplasmic reticulum and Golgi apparatus, while the mature enzyme is localized to the endosome.
Mouse PG classificationNA
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