Recombinant Human Transmembrane Protease Serine 4 (TMPRSS4) Protein (His&Myc)

Beta LifeScience SKU/CAT #: BLC-00567P
Greater than 85% as determined by SDS-PAGE.
Greater than 85% as determined by SDS-PAGE.

Recombinant Human Transmembrane Protease Serine 4 (TMPRSS4) Protein (His&Myc)

Beta LifeScience SKU/CAT #: BLC-00567P
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Product Overview

Description Recombinant Human Transmembrane Protease Serine 4 (TMPRSS4) Protein (His&Myc) is produced by our E.coli expression system. This is a protein fragment.
Purity Greater than 85% as determined by SDS-PAGE.
Uniprotkb Q9NRS4
Target Symbol TMPRSS4
Synonyms (Channel-activating protease 2)(CAPH2)(Membrane-type serine protease 2)(MT-SP2)
Species Homo sapiens (Human)
Expression System E.coli
Tag N-10His&C-Myc
Target Protein Sequence KVILDKYYFLCGQPLHFIPRKQLCDGELDCPLGEDEEHCVKSFPEGPAVAVRLSKDRSTLQVLDSATGNWFSACFDNFTEALAETACRQMGYSSKPTFRAVEIGPDQDLDVVEITENSQELRMRNSSGPCLSGSLVSLHCLACGKSLKTPRVVGVEEASVDSWPWQVSIQYDKQHVCGGSILDPHWVLTAAHCFRKHTDVFNWKVRAGSDKLGSFPSLAVAKIIIIEFNPMYPKDNDIALMKLQFPLTFSGTVRPICLPFFDEELTPATPLWIIGWGFTKQNGGKMSDILLQASVQVIDSTRCNADDAYQGEVTEKMMCAGIPEGGVDTCQGDSGGPLMYQSDQWHVVGIVSWGYGCGGPSTPGVYTKVSAYLNWIYNVWKAEL
Expression Range 54-437aa
Protein Length Partial
Mol. Weight 49.8 kDa
Research Area Others
Form Liquid or Lyophilized powder
Buffer Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage 1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function Plasma membrane-anchored serine protease that directly induces processing of pro-uPA/PLAU into the active form through proteolytic activity. Seems to be capable of activating ENaC.; (Microbial infection) In gut epithelial cells, facilitates human coronavirus SARS-CoV-2 infection through, at least, the cleavage of coronavirus spike glycoproteins which activates the glycoprotein for host cell entry.
Subcellular Location Cell membrane; Single-pass type II membrane protein.; [Transmembrane protease serine 4 catalytic chain]: Secreted.
Protein Families Peptidase S1 family
Database References

HGNC: 11878

OMIM: 606565

KEGG: hsa:56649

STRING: 9606.ENSP00000416037

UniGene: PMID: 29750426

  • we demonstrated a mechanistic cascade of TMPRSS4 up-regulating STAT3 activation and subsequent TWIST1 expression, leading to prostate cancer migration. PMID: 28466252
  • TMPRSS4 is overexpressed in Idiopathic pulmonary fibrosis lungs. PMID: 29529050
  • TMPRSS4 protein expression in esophageal carcinoma was correlated with patient demographic characteristics, tumor type, high TNM stages and overall survival. PMID: 29254316
  • TMPRSS4 modulates both invasion and proliferation via Slug and cyclin D1, which is a previously unrecognized pathway that may regulate metastasis and cancer progression PMID: 27385093
  • We conclude that TMPRSS4 overexpression in solid tumors is associated with patients' poor prognosis. TMPRSS4 could be a valuable prognosis biomarker or a promising therapeutic target of solid tumor. PMID: 27344186
  • High TMPRSS4 expression is associated with pancreatic adenocarcinoma. PMID: 26993610
  • TMPRSS4 is a novel independent prognostic biomarker regulated by epigenetic changes in lung squamous cell carcinomas PMID: 26989022
  • These results revealed that CLDN1 contributed to cancer stem cell features of hepatocellular carcinoma, which was altered by TMPRSS4 expression via ERK1/2 signaling pathway, providing promising targets for novel specific therapies. PMID: 28651932
  • TMPRSS4 overexpression promoted the proliferation, invasion and migration of breast cancer cells by possibly inducing epithelial-mesenchymal transition PMID: 28259959
  • The increase of TMPRSS4 expression may be a key event for HCC progression and may be regarded as a potential prognostic marker for HCC. PMID: 26190376
  • suggesting that TMPRSS4 is associated with a cancer stem cells phenotype in patients' tumors PMID: 26546046
  • TMPRSS4 expression is associated with postoperative recurrence. In addition, the current survival curves demonstrated that TMPRSS4 expression is associated with statistically significant differences in survival among patients with lung adenocarcinoma. PMID: 26722035
  • In prostate cancer, high TMPRSS4 expression was significantly associated with advanced tumor stage and lymphatic metastasis. PMID: 25550850
  • TMPRSS4 is overexpressed in thyroid cancer and TMPRSS4-CREB signaling is needed to sustain thyroid cancer cell proliferation. PMID: 25244400
  • TMPRSS4 is upregulated by silencing of TFPI-2 through aberrant DNA methylation and contributes to oncogenesis in non-small cell lung cancer. PMID: 25414083
  • On the basis of this information and the structural characteristics of this druggable protease, we suggest that TMPRSS4 could be a novel potential therapeutic target in solid tumours. PMID: 25203520
  • TMPRSS4 was associated with CRC stage and regulated the proliferation and self-renewal ability of colon cancer cells; TMRPSS4 was involved in the development and progression of CRC. PMID: 24335200
  • TMPRSS4 was an independent predictor of OS and DFS. PMID: 24132607
  • High expression of TMPRSS4 was significantly associated with advanced TNM stage. PMID: 24072509
  • Expression of TMPRSS4 in gastric cancer is significantly associated with lymph node and distant metastasis, high Erk1 expression, and poor prognosis. PMID: 23922976
  • TMPRSS4 induced the transcription of uPA gene through activating the transcription factors Sp1, Sp3, and AP-1 in a JNK-dependent manner and that the induction of uPA was required for TMPRSS4-mediated cancer cell invasion. PMID: 23978400
  • increased TMPRSS4 expression was an independent predictor of poor prognosis for overall survival in gallbladder cancer. patients. PMID: 24532432
  • High TMPRSS4 expression is associated with cervical squamous cell carcinoma. PMID: 24012692
  • A mutation in the serine protease TMPRSS4 in a novel pediatric neurodegenerative disorder PMID: 23957953
  • TMPRSS4 directly converted inactive pro-uPA into the active form through its proteolytic activity. Conditioned medium from cells overexpressing TMPRSS4 showed that the active TMPRSS4 protease domain is released and is associated with the plasma membrane. PMID: 24434139
  • We have demonstrated for the first time a new molecular pathway that connects TMPRSS4 and integrin alpha5 through miR-205 to regulate cancer cell invasion and metastasis PMID: 24434435
  • Our data suggest that TMPRSS4 positivity is associated with GC invasion and lymph node metastasis. We propose TMPRSS4 expression as an indicator of poor prognosis in GC patients PMID: 24299317
  • TMPRSS4 expression is a putative biological marker for breast cancer and is an indicator of poor prognosis. PMID: 23420063
  • Progression and metastatic potential of several cancers is concordant with an increased expression of TMPRSS4. PMID: 22944691
  • results demonstrate overexpression of TMPRSS4 in non-small cell lung carcinoma at both the mRNA and protein levels. In addition, our findings suggest that expression of TMPRSS4 in the tumor microenvironment is regulated by hypoxia. PMID: 22692880
  • Overexpression of TMPRSS4 has a critical role in radiation-induced long-term dissemination and metastasis of residual HCC by facilitating EMT. PMID: 21637307
  • Kaplan-Meier curves demonstrated that high levels of TMPRSS4 were significantly associated (P=0.017) with reduced overall survival in the patients with SCC histology, whereas no correlation was found for the AC histology PMID: 22067904
  • RNAi-mediated knockdown of TMPRSS2 and TMPRSS4 in Caco-2 cells, which released fully infectious virus without trypsin treatment, markedly reduced the spread of influenza virus, demonstrating that these proteases were responsible for activation of HA. PMID: 20631123
  • TMPRSS4 expression was significantly higher in human colorectal cancer tissues from advanced stages than in that of early stage. PMID: 20118200
  • The authors provide evidence that TMPRSS2 and TMPRSS4 activate the 1918 HA by cleavage and therefore may promote viral spread in lung tissue. PMID: 19158246
  • TMPRSS4 plays a role in invasion, metastasis, migration and adhesion in cancer cells. TMPRSS4 may contribute to tumor cell invasion and metastasis by promoting an epithelial-mesenchymal transition(EMT) through the strong SIP1/ZEB2 induction. PMID: 17968309
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    Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

    Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

    Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

    Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

    To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.

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