E. Stewart

Publications5
h-index3
Citations83
Highly Influential Citations1
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Mechanism of inhibition of polypeptide chain initiation in heat-shocked Ehrlich cells involves reduction of eukaryotic initiation factor 4F activity.
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Reaction of a chemotherapeutic agent, 6-mercaptopurine, with a direct-acting, electrophilic carcinogen, benzo[a]pyrene-7,8-diol 9,10-epoxide.
TLDR
The data suggest that the reaction mechanism involves SN2 attack of the anion of 6-MP, formed by ionization of the sulfhydryl group, on carbon 10 of BPDE, resulting in a trans-9,10 reaction product.
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Effect of Base-Pairing Partner on the Thermodynamic Stability of the Diastereomeric Spiroiminodihydantoin Lesion.
TLDR
Results suggest that, although the stability of the Sp diastereomers cannot explain the differences in the rates of repair by DNA glycosylases, the most stable base-pairing partners do correspond with the nucleotide preference of DNA polymerases.
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Structural analysis of Pneumocystis carinii dihydrofolate reductase complexed with NADPH and 2,4-diamino-6-[2-(5-carboxypent-1-yn-1-yl)-5-methoxybenzyl]-5-methylpyrido[2,3-d]pyrimidine.
TLDR
In inhibition data, the greater selectivity for pcDHFR compared with mammalian DHFR of these inhibitors is also influenced by the enhanced hydrophobic interactions of the side-chain methylene atoms with Phe69 of pcDH FR compared with Asn64 of mammalianDHFR.
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Structural Analysis of Pneumocystis carinii Dihydrofolate Reductase Complex with NADPH and 2,4-diamino-5-methyl-6-[2'-(4-carboxy-1-pentynyl)-5'-methoxybenzyl]pyrido[2,3-d]pyrimidine
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