Stability: 1yr at -70°C from date of shipment
Scientific Background: MGMT or O-6-methylguanine-DNA methyltransferase is the major mutagenic and carcinogenic lesion in DNA induced by simple alkylating mutagens. The methylation of the MGMT promoter in gliomas is a useful predictor of the responsiveness of the tumors to alkylating agents (1). The clinical trial substantiates the predictive value of O-6-methylguanine-DNA methyltransferase promoter methylation in glioblastoma patients treated with temozolomide (2). Methylation of the MGMT promoter in tumors is associated with longer survival in glioblastoma patients.
2. Hegi, M. E. et.al: Clinical trial substantiates the predictive value of O-6-methylguanine-DNA methyltransferase promoter methylation in glioblastoma patients treated with temozolomide. Clin. Cancer Res. 10: 1871-1874, 2004.
NCBI and Uniprot Product Information
Uniprot Description
Function: Involved in the cellular defense against the biological effects of O6-methylguanine (O6-MeG) in DNA. Repairs alkylated guanine in DNA by stoichiometrically transferring the alkyl group at the O-6 position to a cysteine residue in the enzyme. This is a suicide reaction: the enzyme is irreversibly inactivated.
Catalytic activity: DNA (containing 6-O-methylguanine) + protein L-cysteine = DNA (without 6-O-methylguanine) + protein S-methyl-L-cysteine.
Cofactor: Binds 1 zinc ion.
Subcellular location: Nucleus.
Miscellaneous: This enzyme catalyzes only one turnover and therefore is not strictly catalytic. According to one definition, an enzyme is a biocatalyst that acts repeatedly and over many reaction cycles.
Sequence similarities: Belongs to the MGMT family.
Research Articles on MGMT
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Product Notes
The MGMT mgmt (Catalog #AAA515322) is a Recombinant Protein produced from Sf9 insect cells and is intended for research purposes only. The product is available for immediate purchase. The tag for this protein is His tag!!Expression System||Sf9 insect cells using baculovirus!!Source Note||Recombinant full length human MGMT was expressed by baculovirus in Sf9 insect cells. AAA Biotech's MGMT can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). Researchers should empirically determine the suitability of the MGMT mgmt for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "MGMT, Recombinant Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.Disclaimer
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