brain-specific serine protease 4; BSSP-4; serine protease 22; serine protease 26; tryptase epsilon (PRSS22, BSSP4, PRSS26, SP001LA, UNQ302/PRO343)

Function

• serine protease

Structure

• belongs to the peptidase S1 family
• contains 1 peptidase S1 domain

Compartment

secreted

Expression

• expressed abundantly in the epithelial cells of the airways, including trachea, esophagus & fetal lung
• scarce in adult lung
• expressed at low levels in placenta, pancreas, prostate & thyroid gland

Notes

• no mention of expression in the brain

More general terms

• serine protease
• glycoprotein
• secreted protein

Database

• Entrez gene: http://www.ncbi.nlm.nih.gov/sites/entrez?db=gene&cmd=Retrieve&dopt=Graphics&list_uids=64063
• Kegg: http://www.genome.jp/dbget-bin/www_bget?hsa:64063
• OMIM: https://mirror.omim.org/entry/609343
• UniProt: http://www.uniprot.org/uniprot/Q9GZN4.html