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3T70

5'-Diphenyl Nucleoside Inhibitors of Plasmodium falciparum dUTPase

Summary for 3T70
Entry DOI10.2210/pdb3t70/pdb
Related3T6Y
DescriptorDeoxyuridine 5'-triphosphate nucleotidohydrolase, putative, PEPTIDE GLY-HIS-GLY, 2',5'-dideoxy-5'-[(diphenylmethyl)(methyl)amino]uridine, ... (5 entities in total)
Functional Keywordsdutp binding, nucleus, hydrolase-hydrolase inhibitor complex, hydrolase/hydrolase inhibitor
Biological sourcePlasmodium falciparum
More
Total number of polymer chains4
Total formula weight63965.77
Authors
Primary citationHampton, S.E.,Baragana, B.,Schipani, A.,Bosch-Navarrete, C.,Musso-Buendia, J.A.,Recio, E.,Kaiser, M.,Whittingham, J.L.,Roberts, S.M.,Shevtsov, M.,Brannigan, J.A.,Kahnberg, P.,Brun, R.,Wilson, K.S.,Gonzalez-Pacanowska, D.,Johansson, N.G.,Gilbert, I.H.
Design, synthesis, and evaluation of 5'-diphenyl nucleoside analogues as inhibitors of the Plasmodium falciparum dUTPase.
Chemmedchem, 6:1816-1831, 2011
Cited by
PubMed Abstract: Deoxyuridine 5'-triphosphate nucleotidohydrolase (dUTPase) is a potential drug target for malaria. We previously reported some 5'-tritylated deoxyuridine analogues (both cyclic and acyclic) as selective inhibitors of the Plasmodium falciparum dUTPase. Modelling studies indicated that it might be possible to replace the trityl group with a diphenyl moiety, as two of the phenyl groups are buried, whereas the third is exposed to solvent. Herein we report the synthesis and evaluation of some diphenyl analogues that have lower lipophilicity and molecular weight than the trityl lead compound. Co-crystal structures show that the diphenyl inhibitors bind in a similar manner to the corresponding trityl derivatives, with the two phenyl moieties occupying the predicted buried phenyl binding sites. The diphenyl compounds prepared show similar or slightly lower inhibition of PfdUTPase, and similar or weaker inhibition of parasite growth than the trityl compounds.
PubMed: 22049550
DOI: 10.1002/cmdc.201100255
PDB entries with the same primary citation
Experimental method
X-RAY DIFFRACTION (1.8 Å)
Structure validation

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