Glucose Transporter 12
Thirteen different types of glucose/fructose transport carrier proteins designated as Glut 1-13 facilitate glucose/fructose transport across the cell membrane. Molecular cloning of glucose transporters have identified a family of closely related genes that encodes at least 7 proteins exhibiting high degree of amino acid homology (45%-65%) all in the molecular weight range of 40-84kDa. Individual members of the Glut family have predicted secondary structure characteristic of 12 membrane spanning domains of other transport carriers. Majority of the differences in sequence homology in Glut proteins occur at 4 hydrophilic domains that may play a role in distinct tissue-specific pattern of expression and targeting. All Glut proteins are glycosylated at or near the C-terminus and are present on either cell surface or in intracellular sites. Some transporters exhibit dynamic trafficking between intracellular storage sites and plasma membranes in response to various stimuli. In some tissues Glut proteins are asymmetrically distributed between apical and basolateral membranes as in blood brain barrier and blood testis barriers.
The Glut family-selective antibodies were generated against unique C-terminal peptides characteristics of a particular Glut family. FabGennix Inc. has generated highly specific rabbit anti-Glut 12 polyclonal antibodies utilizing C-terminal sequences. These antibodies have been fully characterized for cross reactivity within the Glut family and with other cellular proteins. FabGennix Inc. has produced antibodies to multiple epitopes on the same protein that will facilitate studies utilizing interspecies cross reactivity.
Applications: ELISA Antibody dilution 1:4,500 for ELISA or DOT blot with solublized hippocampal plasma membranes.
W.B Antibody dilution 1:500 for WB using PC-Glut 12 samples as antigen.
IMM 2.5ul of Glut-1001AP will immunoprecipitate 65-70% Glut12 from solObuffer solubilized cell extracts; IHC n.d
Reactivity The antibodies (Glut-1201AP) label glucose transporter (Glut12) in rat, mouse and human cell extracts.
Protocols: Standard protocol for various applications (Western blot; immunoprecipitation and immunohistochemistry) of this antibody is provided with the product specification sheet, however, FabGennix Inc. strongly recommends investigators to optimize conditions for use of this antibody in their laboratories.
WB, Western Blot analyses; IMM, Immunoprecipitation; IHC, Immunohistochemistry, n.d, not determine.
Form/Storage: The antiserum is supplied in antibody stabilization buffer with preservatives. The affinity purified antibodies are isolated on antigen-speharose affinity column. Antibodies are supplied as 1 mg/ml IgG in antibody stabilization buffer with preservatives. For long-term storage of antibody, store at -20oC. FabGennix Inc. does not recommend storage of very dilute antibody solutions unless they are prepared in specially formulated multi use antibody dilution buffer (Cat # DiluOBuffer). Working solutions of antibodies in DiluOBuffer should be filtered through 0.45ƒÝ filter after every use for long-term storage.
References:
1. Meuckler M. M., NIPS, 10, 22-29, 1995.
2. Farooqui S. M., Bagdadi A. F., Rhett S., and O’Donnell J. M., Biochem. Biophys. Res. Comm. 236, 407-412, 1997.
*Note: Do not heat or boil Glut 12-PC samples. This product is “ready to use” for electrophoresis. After thawing at room temperature. Repeated freezing and thawing may result in appearance of higher molecular weight immunoreactive bands.
* For users who may require large amounts of Glut-1201AP, please enquire about bulk material discounts.
This Product is for Research Use Only and is NOT intended for use in humans or clinical diagnosis. A080508-0020SF1001Z-rev10.00
For research use only, not for diagnostic or therapeutic use.
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