Dihydrofolate Reductase Active Protein | DHFR active protein
Recombinant Human Dihydrofolate Reductase
Store, frozen at -20°C for longer periods of time.
For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).
Avoid multiple freeze-thaw cycles.
Introduction: Dihydrofolate reductase (DHFR) is an enzyme that reduces dihydrofolic acid to tetrahydrofolic acid, with NADPH as electron donor that can be converted to the kinds of tetrahydrofolate cofactors applied in 1-carbon transfer chemistry. DHFR converts dihydrofolate into tetrahydrofolate, which is a methyl group shuttle required for the de novo synthesis of purines, thymidylic acid, and specific amino acids. Even though the functional DHFR gene is mapped to chromosome 5, numerous intronless processed pseudogenes or dihydrofolate reductase-like genes are identified on separate chromosomes. DHFR deficiency is associated with megaloblastic anemia.DHFR knockdown plays a role in the anticancer activity of 2-hydroxyoleic acid.DHFR gene insertion/deletion polymorphism is linked to variation in serum and red blood cell folate concentrations in women.
NCBI and Uniprot Product Information
NCBI Description
Dihydrofolate reductase converts dihydrofolate into tetrahydrofolate, a methyl group shuttle required for the de novo synthesis of purines, thymidylic acid, and certain amino acids. While the functional dihydrofolate reductase gene has been mapped to chromosome 5, multiple intronless processed pseudogenes or dihydrofolate reductase-like genes have been identified on separate chromosomes. Dihydrofolate reductase deficiency has been linked to megaloblastic anemia. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2014]
Uniprot Description
DHFR: Key enzyme in folate metabolism. Contributes to the de novo mitochondrial thymidylate biosynthesis pathway. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. Binds its own mRNA and that of DHFRL1. Defects in DHFR are the cause of megaloblastic anemia due to dihydrofolate reductase deficiency (DHFRD). DHFRD is an inborn error of metabolism, characterized by megaloblastic anemia and/or pancytopenia, severe cerebral folate deficiency, and cerebral tetrahydrobiopterin deficiency. Clinical features include variable neurologic symptoms, ranging from severe developmental delay and generalized seizures in infancy, to childhood absence epilepsy with learning difficulties, to lack of symptoms. Belongs to the dihydrofolate reductase family.
Protein type: EC 1.5.1.3; Cofactor and Vitamin Metabolism - folate biosynthesis; Cofactor and Vitamin Metabolism - one carbon pool by folate; Oxidoreductase
Chromosomal Location of Human Ortholog: 5q14.1
Cellular Component: nucleoplasm; cytosol
Molecular Function: mRNA binding; dihydrofolate reductase activity; drug binding; NADP binding
Biological Process: tetrahydrofolate metabolic process; G1/S-specific transcription in mitotic cell cycle; tetrahydrofolate biosynthetic process; vitamin metabolic process; nucleotide biosynthetic process; regulation of nitric-oxide synthase activity; folic acid metabolic process; one-carbon compound metabolic process; mitotic cell cycle; response to methotrexate; glycine biosynthetic process; nitric oxide metabolic process; water-soluble vitamin metabolic process; G1/S transition of mitotic cell cycle
Disease: Megaloblastic Anemia Due To Dihydrofolate Reductase Deficiency
Research Articles on DHFR
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Product Notes
The DHFR dhfr (Catalog #AAA143726) is an Active Protein produced from Escherichia Coli and is intended for research purposes only. The product is available for immediate purchase. The amino acid sequence is listed below: MGSSHHHHHH SSGLVPRGSH MVGSLNCIVA VSQNMGIGKN GDLPWPPLRN EFRYFQRMTT TSSVEGKQNL VIMGKKTWFS IPEKNRPLKG RINLVLSREL KEPPQGAHFL SRSLDDALKL TEQPELANKV DMVWIVGGSS VYKEAMNHPG HLKLFVTRIM QDFESDTFFP EIDLEKYKLL PEYPGVLSDV QEEKGIKYKF EVYEKND. It is sometimes possible for the material contained within the vial of "Dihydrofolate Reductase, Active 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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