期刊
JOURNAL OF CHEMICAL INFORMATION AND MODELING
卷 53, 期 6, 页码 1475-1485出版社
AMER CHEMICAL SOC
DOI: 10.1021/ci400192y
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资金
- NIH [U54MH074425, U54MH084690, R01HG005066, 1R01DA031370, P30 CA118100, U54 RR026083]
- University of New Mexico
- UNM Cancer Center
- State of Florida, Executive Office of the Governor's Department of Economic Opportunity
We present a general approach to describe the structure-activity relationships (SAP.) of combinatorial data sets with activity for two biological endpoints with emphasis on the rapid identification of substitutions that have a large impact on activity and selectivity. The approach uses dual-activity difference (DAD) maps that represent a visual and quantitative analysis of all pairwise comparisons of one, two, or more substitutions around a molecular template. Scanning the SAR of data sets using DAD maps allows the visual and quantitative identification of activity switches defined as specific substitutions that have an opposite effect on the activity of the compounds against two targets. The approach also rapidly identifies single- and double-target R-cliffs, i.e., compounds where a single or double substitution around the central scaffold dramatically modifies the activity for one or two targets, respectively. The approach introduced in this report can be applied to any analogue series with two biological activity endpoints. To illustrate the approach, we discuss the SAP. of 106 pyrrolidine bis-diketopiperazines tested against two formylpeptide receptors obtained from positional scanning deconvolution methods of mixture-based libraries.
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