Research Article

Topological Features in Profiling the Antimalarial Activity Landscape of Anilinoquinolines: A Multipronged QSAR Study

Table 5

MLR-like PLS models from the combined as well as common descriptors of CP-MLR and GA approaches (Table 4) for the antimalarial activity (pIC50) of anilinoquinolines (Table 2).

S. no.DescriptorMLR-like coeff (f.c)a
(CP-MLR) (GA)b(CP-MLR) (GA)c

1MATS4m12.491 (0.058)25.075 (0.143)
2MATS8m−1.965 (−0.015)
3MATS5e−0.708 (−0.027)
4MATS7e−2.605 (−0.143)−2.520 (−0.169)
5nNR20.079 (0.043)
6H-047−0.001 (−0.003)
7H-0520.049 (0.109)0.110 (0.297)
8RDF085p0.005 (0.026)
9Mor15m0.093 (0.018)
10Mor17p−0.518 (−0.112)
11Mor30p−1.395 (−0.151)−1.601 (−0.212)
12E1m−0.390 (−0.033)
13E2m0.623 (0.054)
14R6m−0.819 (−0.025)
15R7m−2.268 (−0.067)−4.961 (−0.180)
16R7m+−2.749 (−0.018)
17R6e+19.530 (0.059)
18RTe+−1.080 (−0.037)
Constant−2.821−16.535

Statistics

5050
0.7310.638
0.3610.418
41.6827.04
0.6880.582
0.6870.571
SPRESS0.3880.450
SEDP0.3730.431
0.6760.510
(max)0.115 (0.374)0.089 (0.236)

oefficients of MLR-like PLS equation in terms of descriptors for their original values; f.c is fraction contribution of regression coefficient, computed from the normalized regression coefficients obtained from the autoscaled (zero mean and unit s.d) data.
bCombined descriptors of CP-MLR and GA.
cDescriptors common to CP-MLR and GA.