Methotrexate-agarose is used in protein chromatography, affinity chromatography, metabolic pathways and specialty resins. Methotrexate-agarose has been used to investigate the toxicity mechanism of mortality in adult buffalo flies caused by ingestion of folate analogues. Methotrexate-agarose has also been used to study the purification, cloning, and functional expression of dihydroneopterin triphosphate 2′-epimerase from Escherichia coli.
European journal of pharmacology, 435(2-3), 237-244 (2002-02-01)
N-[[4-[(2,4-diaminopteridin-6-yl)methyl]-3,4-dihydro-2H-1,4-benzothiazin-7-yl]-carbonyl]-L-homoglutamic acid (MX-68), a derivative of methotrexate, was chemically designed to resist polyglutamation and to have a high affinity for dihydrofolate reductase, in an attempt to reduce the side effects of methotrexate. We confirmed that MX-68 did not undergo polyglutamation
Journal of bacteriology, 185(18), 5519-5526 (2003-09-02)
Adapting metabolic enzymes of microorganisms to low temperature environments may require a difficult compromise between velocity and affinity. We have investigated catalytic efficiency in a key metabolic enzyme (dihydrofolate reductase) of Moritella profunda sp. nov., a strictly psychrophilic bacterium with
A single polypeptide chain containing two dihydrofolate reductase (DHFR) sequences from Escherichia coli was constructed to determine if a repeat sequence fusion protein could be expressed in an active form. The possibility that intersequence interactions could play a significant role
Pathogenic Yersinia species (Y. enterocolitica, Y. pestis, Y. pseudotuberculosis) share a type three secretion system (TTSS) which allows translocation of effector proteins (called Yops) into host cells. It is believed that proteins are delivered through a hollow needle with an
The Journal of biological chemistry, 274(53), 37781-37786 (1999-12-23)
In Plasmodium falciparum, dihydrofolate reductase and thymidylate synthase activities are conferred by a single 70-kDa bifunctional polypeptide (DHFR-TS, dihydrofolate reductase-thymidylate synthase) which assembles into a functional 140-kDa homodimer. In mammals, the two enzymes are smaller distinct molecules encoded on different
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