Gene Information
Gene NameCTSG
OrganismHomo sapiens (Human)
Gene Length255
Protein NamesCathepsin G (CG) (EC 3.4.21.20) [Cleaved into: Cathepsin G, C-terminal truncated form]
Target Namecathepsin g
Target TypeNA
Gene Age544 ( ENSG00000100448 )
Evolutionary StageEumetazoa
AlphaFoldDBP08311
Gene CardCTSG
Uniprot IDP08311
PfamPF00089
In ASDyes
Allosteric Predictionyes (0.960901283)
Ortholog in AnimalsAlpaca_ CTSG ( ortholog_one2one )
Dog_ CTSG ( ortholog_one2one )
Macaque_ CTSG ( ortholog_one2one )
Mouse_ Ctsg ( ortholog_one2one )
Rat_ Ctsg ( ortholog_one2one )
Rabbit_ CTSG ( ortholog_one2one )
OhnologsGZMA
ParalogsGZMB, GZMH, CMA1, AZU1, KLK13, KLK6
Tissuebone.marrow
Tissue SpecificityExpressed in neutrophils (at protein level) (PubMed:3799965). Expressed in B cells (PubMed:15100291). {ECO:0000269|PubMed:15100291, ECO:0000269|PubMed:3799965}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1AU8  (X-ray  1.90A  1CGH  (X-ray  1.80A  1KYN  (X-ray  3.50A  1T32  (X-ray  1.85A  6VTM  (X-ray  1.60A 
DBSNP rs45567233 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:15100291, ECO:0000269|PubMed:29077095, ECO:0000269|PubMed:8194606};
Peripheral membrane protein {ECO:0000305}. Cytoplasmic granule {ECO:0000269|PubMed:7499346}. Secreted {ECO:0000269|PubMed:29077095, ECO:0000269|PubMed:32144329, ECO:0000269|PubMed:3390156}. Cytoplasm, cytosol {ECO:0000269|PubMed:29077095}. Lysosome {ECO:0000269|PubMed:15100291, ECO:0000269|PubMed:29077095}. Nucleus {ECO:0000269|PubMed:11259672}. Note=Secreted by activated neutrophils (PubMed:3390156). Detected in synovial fluid (PubMed:32144329). Localizes to lysosomes in B cells where it is not endogenously synthesized but is internalized from the cell membrane (PubMed:15100291). Localizes to the nucleus during apoptosis (PubMed:11259672). {ECO:0000269|PubMed:11259672, ECO:0000269|PubMed:15100291, ECO:0000269|PubMed:32144329, ECO:0000269|PubMed:3390156}.
Mouse PG classificationNA
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