Ribonuclease A inhibition by carboxymethylsulfonyl-modified xylo- and arabinopyrimidines.

Abstract:

:A group of acidic nucleosides were synthesized to develop a new class of ribonuclease A (RNase A) inhibitors. Our recent study on carboxymethylsulfonyl-modified nucleosides revealed some interesting results in RNase A inhibition. This positive outcome triggered an investigation of the role played by secondary sugar hydroxy groups in inhibiting RNase A activity. Uridines and cytidines modified with SO2 CH2 COOH groups at the 2'- and 3'-positions show good inhibitory properties with low inhibition constant (Ki ) values in the range of 109-17 μM. The present work resulted in a set of inhibitors that undergo more effective interactions with the RNase A active site, as visualized by docking studies.

journal_name

ChemMedChem

journal_title

ChemMedChem

authors

Datta D,Dasgupta S,Pathak T

doi

10.1002/cmdc.201402179

subject

Has Abstract

pub_date

2014-09-01 00:00:00

pages

2138-49

issue

9

eissn

1860-7179

issn

1860-7187

journal_volume

9

pub_type

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