This protein was produced in an in vitro wheat germ expression system that should preserve correct conformational folding that is necessary for biological function. While it is possible that this protein could display some level of activity, the functionality of this protein has not been explicitly measured or validated.
Source
Wheat germ
Protein/Peptide Type
Recombinant Protein
Gene
MUC5AC
Purity
>80% by SDS-PAGE and Coomassie blue staining
Applications/Dilutions
Dilutions
ELISA
Immunoaffinity Purification
Protein Array
Western Blot
Theoretical MW
36.74 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publication using H00004586-Q01 in the following applications:
Mucin 5, subtype AC (MUC5AC) is a gel-forming secreted mucin that functions as a protective barrier on surface of epithelial tissues (1-2). MUC5AC is expressed primarily by goblet cells of the surface epithelium, including in the stomach, respiratory tract, gall bladder, endocervix, and endometrium (1-3). Human MUC5AC is located on chromosome 11p15.5, consisting of 5654 amino acids and has a N-terminus, tandem-repeat region (TRR), and a C-terminus, with a theoretical molecular weight of ~585 kDa (1-4). More specifically, the N-terminus contains four von Willebrand factor type D domains, where D1 also has a leucine zipper pattern (1). The TRR is further divided into nine CysD domains and four PTS-rich tandem repeats (1). Finally, the C-terminus has a D4-, B-, C-, and CK-domain (1). The TRR is a site of heavy O-glycosylation that functions in gel and polypeptide formation (1,3).
Given that MUC5AC is the primary mucin produced and secreted by cells lining airway, it is understandable that its expression is dysregulated in a number of respiratory diseases (1,3,5,6). For instance, MUC5AC is overexpressed in asthma and the protein is also more highly glycosylated, specifically fucosylated, in the disease state (1,3,7). Additionally, its overproduction is a key feature in chronic obstructive pulmonary disease (COPD) contributing to mucosal blockage (6). Multiple pathways are associated with overproduction of MUC5AC including NFkappaB, the primary pathway for production and secretion, and also the MAPK and STAT6 pathways (3). In addition to conventional, synthetic therapeutics agents, researchers are exploring natural MUC5AC inhibitors such as flavonoids, glycosides, and steroids to treat associated disorders (3).
References
1. Krishn, S. R., Ganguly, K., Kaur, S., & Batra, S. K. (2018). Ramifications of secreted mucin MUC5AC in malignant journey: a holistic view. Carcinogenesis. https://doi.org/10.1093/carcin/bgy019
2. Ballester, B., Milara, J., & Cortijo, J. (2019). Mucins as a New Frontier in Pulmonary Fibrosis. Journal of clinical medicine. https://doi.org/10.3390/jcm8091447
3. Samsuzzaman, M., Uddin, M. S., Shah, M. A., & Mathew, B. (2019). Natural inhibitors on airway mucin: Molecular insight into the therapeutic potential targeting MUC5AC expression and production. Life sciences. https://doi.org/10.1016/j.lfs.2019.05.041
4. Uniprot (P98088)
5. Li, J., & Ye, Z. (2020). The Potential Role and Regulatory Mechanisms of MUC5AC in Chronic Obstructive Pulmonary Disease. Molecules (Basel, Switzerland). https://doi.org/10.3390/molecules25194437
6. Bonser, L. R., & Erle, D. J. (2017). Airway Mucus and Asthma: The Role of MUC5AC and MUC5B. Journal of clinical medicine. https://doi.org/10.3390/jcm6120112
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 3 months from date of receipt.
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Product General Protocols
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FAQs for MUC5AC Partial Recombinant Protein (H00004586-Q01). (Showing 1 - 1 of 1 FAQ).
I recently bought several recombinant human mucins from your company, Mucin 4--cat# H00004585-Q01, mucin 5b--cat# H00727897-Q01, mucin 5ac--cat # H00004586-Q01. I would like to know what cell lines were used to make these recombinant proteins and whether they are glycosylated.
The proteins you inquired about were produced in the wheat germ protein expression system which is a cell free protein synthesis system. This system does not allow protein glycosylation. Please view more details about Abnova's cell free protein synthesis system (http://www.abnova.com/support/technologies.asp?switchfunctionid={539614B1-7CBB-4068-A93B-1B44DC6F2801})
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