SLC16A6 is a member of solute carrier family 16, also known as the monocarboxylic acid transporter family (MCT). SLC16A6 is a type of transmembrane transporter widely distributed on mammalian cell membranes. The topology of all MCT family members consists of the N-terminal, C-terminal and 12 transmembrane domains. The size of the loop between TM6 and TM7 varies widely. The longest members are MCT5 and MCT7, with 105 amino acids and 93 amino acids respectively. SLC16A6 is mainly expressed in the brain and pancreas.
Basic Information of SLC16A6 | |
Protein Name | Monocarboxylate transporter 7 |
Gene Name | SLC16A6 |
Aliases | Monocarboxylate transporter 6, Solute carrier family 16 member 6, MCT6, MCT7 |
Organism | Homo sapiens (Human) |
UniProt ID | O15403 |
Transmembrane Times | 12 |
Length (aa) | 523 |
Sequence | MTQNKLKLCSKANVYTEVPDGGWGWAVAVSFFFVEVFTYGIIKTFGVFFNDLMDSFNESNSRISWIISICVFVLTFSAPLATVLSNRFGHRLVVMLGGLLVSTGMVAASFSQEVSHMYVAIGIISGLGYCFSFLPTVTILSQYFGKRRSIVTAVASTGECFAVFAFAPAIMALKERIGWRYSLLFVGLLQLNIVIFGALLRPIFIRGPASPKIVIQENRKEAQYMLENEKTRTSIDSIDSGVELTTSPKNVPTHTNLELEPKADMQQVLVKTSPRPSEKKAPLLDFSILKEKSFICYALFGLFATLGFFAPSLYIIPLGISLGIDQDRAAFLLSTMAIAEVFGRIGAGFVLNREPIRKIYIELICVILLTVSLFAFTFATEFWGLMSCSIFFGFMVGTIGGTHIPLLAEDDVVGIEKMSSAAGVYIFIQSIAGLAGPPLAGLLVDQSKIYSRAFYSCAAGMALAAVCLALVRPCKMGLCQHHHSGETKVVSHRGKTLQDIPEDFLEMDLAKNEHRVHVQMEPV |
The solute carrier family 16 has many biological functions, such as promoting the absorption of nutrients, affecting the metabolic homeostasis, regulating intracellular pH and participating in drug delivery. The cells remove the lactic acids produced by glycolysis mainly by SLC16 proteins. The efflux or influx of lactic acids from different cell types is closely related to the transport activity of SLC16 proteins, which means that the activity of SLC16 proteins can regulate the sugar metabolism of cells. Fermentation and glucose balance suggest that SLC16 proteins play an important role in maintaining the homeostasis of the body environment. In skeletal muscle, the transport of lactic acids and pyruvate is not only related to SLC16A1 and SLC16A3 but also because there are other transport proteins, such as SLC16A4 in mice and SLC16A6 in humans.
Fig.1 Tumour metabolic reprogramming, growth-factor-mediated mitogenic signaling and magnesium. (Federica, 2012)
This article demonstrated that synthesized compounds had mild ability to moderate cytotoxicity against MCT7 and T47D in breast cancer cell lines.
At the cellular level, the authors used immunohistochemical methods to study the localized MCT2, MCT7, and MCT8 proteins in the cattle rumen, abomasum, jejunum, and caecum.
This article showed a significant increase in the expression levels of MCT1, MCT2, MCT4, MCT5, and MCT7 in pectin-fed rats in comparison with the controls. In addition, immunohistochemistry revealed extended distribution and a distinctive increase of the immunoreactivities of MCT1, MCT2, MCT4, MCT5, and MCT7 in the adrenal cortical zones, besides the increase of the immunoreactive intensity of MCT5 and MCT7 in the adrenal medulla of pectin-fed versus control rats.
The authors revealed that pellitorine, isolated from the roots of Piper nigrum, had strong cytotoxic activities against HL60 and MCT7 cell lines.
Authors observed a pronounced MCT7 signal in human muscle. In skeletal muscle, as well as other tissues, lactate and pyruvate transport rates may not only involve in MCT1 and -4, as other monocarboxylate transporters were also expressed in the rat (MCT2, -5, -6) and human skeletal muscle (MCT2, -5, -6, -7).
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