TPSG1

tryptase gamma 1

Summary

Tryptases comprise a family of trypsin-like serine proteases, the peptidase family S1. Tryptases are enzymatically active only as heparin-stabilized tetramers, and they are resistant to all known endogenous proteinase inhibitors. Several tryptase genes are clustered on chromosome 16p13.3. There is uncertainty regarding the number of genes in this cluster. Currently four functional genes - alpha I, beta I, beta II and gamma I - have been identified. And beta I has an allelic variant named alpha II, beta II has an allelic variant beta III, also gamma I has an allelic variant gamma II. Beta tryptases appear to be the main isoenzymes expressed in mast cells; whereas in basophils, alpha-tryptases predominant. This gene differs from other members of the tryptase gene family in that it has C-terminal hydrophobic domain, which may serve as a membrane anchor. Tryptases have been implicated as mediators in the pathogenesis of asthma and other allergic and inflammatory disorders. [provided by RefSeq, Jul 2008]

Known Variants50 total

rsidPosition (GRCh37)AllelesClassClinVar
rs11160625516:1,271,819G/A—uncertain significance
rs77929957416:1,271,820C/T—uncertain significance
rs104885054216:1,271,877G/A—uncertain significance
rs197050594316:1,271,887G/C—uncertain significance
rs254874478016:1,271,898C/T—uncertain significance
rs11700133216:1,271,910G/T—conflicting classifications of pathogenicity
rs37737727016:1,271,925A/T—uncertain significance
rs77858526516:1,271,943C/A—uncertain significance
rs55541810216:1,271,954C/T—uncertain significance
rs14688601716:1,271,958G/A—uncertain significance
rs13948062916:1,271,964A/G—uncertain significance
rs5862318616:1,271,970C/T—benign
rs14998982316:1,271,987G/A—uncertain significance
rs77458355416:1,271,999G/A—uncertain significance
rs76207587016:1,272,002C/T—uncertain significance
rs37710940516:1,272,012G/A—uncertain significance
rs144950632116:1,272,057C/T—likely benign
rs11340342016:1,272,087C/T—uncertain significance
rs77818324716:1,272,210C/T—uncertain significance
rs77002167316:1,272,218C/T—likely benign
rs19951592616:1,272,276G/A—uncertain significance
rs36801342616:1,272,278C/A—uncertain significance
rs20051981616:1,272,306T/C—likely benign
rs76228284616:1,272,317A/G—uncertain significance
rs37030336116:1,272,320C/T—uncertain significance
rs77377174016:1,272,321T/A—uncertain significance
rs20074484816:1,272,675C/T—uncertain significance
rs14216096916:1,272,723G/C—uncertain significance
rs77221219816:1,272,742T/C—likely benign
rs76043466816:1,272,744C/T—uncertain significance
rs56747885616:1,272,760C/T—uncertain significance
rs78056544516:1,272,773C/G—uncertain significance
rs6173641216:1,272,785G/A—benign
rs14576980216:1,272,795C/T—uncertain significance
rs75557548416:1,272,836C/G—uncertain significance
rs36784200116:1,273,478C/T—uncertain significance
rs37243155816:1,273,485G/C—uncertain significance
rs77760122516:1,273,526C/T—uncertain significance
rs77544647616:1,273,546C/G—uncertain significance
rs37306023216:1,273,549C/T—uncertain significance
rs53580783216:1,273,582G/T—uncertain significance
rs20168350216:1,273,585C/T—likely benign
rs14791265516:1,273,952C/Tdownstream gene variant—
rs89262079216:1,274,613G/C—uncertain significance
rs13811868616:1,274,853T/Gregulatory region variant—
rs20044702916:1,275,208G/A—likely benign
rs78095115216:1,275,231G/A—uncertain significance
rs76572808716:1,275,249C/G—uncertain significance
rs7548219416:1,275,621C/Tupstream gene variant—
rs13933549216:1,275,642C/Tupstream gene variant—

Gene information from NCBI Gene. Variant classifications from ClinVar.