Gene Information
Gene NameUNQ9391/PRO34284
OrganismHomo sapiens (Human)
Gene Length352
Protein NamesSerine protease 55 (EC 3.4.21.-) (Testis serine protease 1) (T-SP1)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBQ6UWB4
Gene CardPRSS55
Uniprot IDQ6UWB4
PfamPF00089
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityOnly detected in testis. Expressed in spermatogonia, spermatocytes, spermatids, Leydig and Sertoli cells. Expressed in prostate cancer and ovarian cancer (at protein level). {ECO:0000269|PubMed:18844450, ECO:0000269|PubMed:23436708}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs4521726  rs4406360 
Subcellular location [CC][Isoform 1]: Cell membrane {ECO:0000269|PubMed:18844450};
Lipid-anchor, GPI-anchor {ECO:0000250|UniProtKB:Q14BX2}. Cytoplasm, cytosol {ECO:0000269|PubMed:18844450}. Note=Mainly found in the membrane part of the cells and only in small amounts in the cytosol. {ECO:0000269|PubMed:18844450}.;
[Isoform 2]: Cytoplasm, cytosol {ECO:0000269|PubMed:18844450}. Note=Present primarily in the cytosol and only in minor amounts in the membrane fraction. {ECO:0000269|PubMed:18844450}.
Mouse PG classificationNA
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