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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. These genes are characterized by several distinct features. They have a highly conserved 3' UTR and contain tandem repeat sequences at the 5' flank and 3' UTR which are thought to play a role in regulation of the mRNA stability. Although this gene may be an exception, most of the tryptase genes have an intron immediately upstream of the initiator Met codon, which separates the site of transcription initiation from protein coding sequence. This feature is characteristic of tryptases but is unusual in other genes. Tryptases have been implicated as mediators in the pathogenesis of asthma and other allergic and inflammatory disorders. This gene was once considered to be a pseudogene, although it is now believed to be a functional gene that encodes a protein. [provided by RefSeq, Jul 2008]
[中文简述(自动翻译):]  Tryptases包括家庭胰蛋白酶样丝氨酸蛋白酶,肽酶家族S1的。 Tryptases是酶促活性仅作为肝素稳定的四聚体,以及它们对所有已知的内源性蛋白酶抑制剂有抗性。几类胰蛋白酶基因聚集于染色体16p13.3。这些基因是由若干不同的功能特征。它们具有高度保守的3‘端非编码区,并含有串联重复序列在5‘侧翼和3‘非编码区这被认为在mRNA稳定性的调控中发挥作用。虽然该基因可能是个例外,大部分的类胰蛋白酶的基因具有内含子紧接在引发剂蛋氨酸密码子,该分离转录起始的从蛋白质编码序列中的位点的上游。此功能tryptases的特性,而且是不寻常的其他基因。 Tryptases有牵连如哮喘等过敏性和炎性疾病的发病机理调解器。该基因被一度被认为是假基因,虽然现在认为是编码的蛋白质的功能性基因。 [由RefSeq的,2008年7月提供]
TPSD1基因(以及对应的蛋白质)的细胞分布位置:
TPSD1基因的本体(GO)信息:
| 疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
| Mastocytosis | 0.000814326 | 3 | 1 | BeFree |
| Urticaria Pigmentosa | 0.000814326 | 3 | 1 | BeFree |
| Asthma | 0.000271442 | 1 | 0 | BeFree |
| Hemangioma | 0.000271442 | 1 | 0 | BeFree |
| Hyperalgesia | 0.000271442 | 1 | 0 | BeFree |
| Pulmonary Hypertension | 0.000271442 | 1 | 0 | BeFree |
| Inflammatory Bowel Diseases | 0.000271442 | 1 | 0 | BeFree |
| Kidney Diseases | 0.000271442 | 1 | 0 | BeFree |
| Leukemia, Myelocytic, Acute | 0.000271442 | 1 | 0 | BeFree |
| Oral Submucous Fibrosis | 0.000271442 | 1 | 0 | BeFree |
| Aortic Aneurysm, Abdominal | 0.000271442 | 1 | 0 | BeFree |
| Renal interstitial fibrosis | 0.000271442 | 1 | 0 | BeFree |
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