1 Ocak 2016 Dergi makalesi Açık Erişim

Ozalp, A.; Yavuz, S. C.; Sabanci, N.; Copur, F.; Kokbudak, Z.; Saripinar, E.

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    <subfield code="a">In this paper, we present the results of pharmacophore identification and bioactivity prediction for pyrrolo[2,1-c][1,4]benzodiazepine derivatives using the electron conformational-genetic algorithm (EC-GA) method as 4D-QSAR analysis. Using the data obtained from quantum chemical calculations at PM3/HF level, the electron conformational matrices of congruity (ECMC) were constructed by EMRE software. The ECMC of the lowest energy conformer of the compound with the highest activity was chosen as the template and compared with the ECMCs of the lowest energy conformer of the other compounds within given tolerances to reveal the electron conformational submatrix of activity (ECSA, i.e. pharmacophore) by ECSP software. A descriptor pool was generated taking into account the obtained pharmacophore. To predict the theoretical activity and select the best subset of variables affecting bioactivities, the nonlinear least square regression method and genetic algorithm were performed. For four types of activity including the GI(50), TGI, LC50 and IC50 of the pyrrolo[2,1-c][1,4] benzodiazepine series, the r(train)(2), r(test)(2) and q(2) values were 0.858, 0.810, 0.771; 0.853, 0.848, 0.787; 0.703, 0.787, 0.600; and 0.776, 0.722, 0.687, respectively.</subfield>
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    <subfield code="u">Erciyes Univ, Fac Sci, Dept Chem, Kayseri, Turkey</subfield>
    <subfield code="a">Yavuz, S. C.</subfield>
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    <subfield code="a">Sabanci, N.</subfield>
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    <subfield code="u">Abdullah Gul Univ, Informat Technol Dept, Kayseri, Turkey</subfield>
    <subfield code="a">Copur, F.</subfield>
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    <subfield code="u">Erciyes Univ, Fac Sci, Dept Chem, Kayseri, Turkey</subfield>
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    <subfield code="a">10.1080/1062936X.2016.1174152</subfield>
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