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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 25, Number 12
BKCSDE 25(12)
December 20, 2004

Title	Ligand-based QSAR Studies on the Indolinones Derivatives as Inhibitors of the Protein Tyrosine Kinase of Fibroblast Growth Factor Receptor by CoMFA and CoMSIA
Author	Kwan Hoon Hyun, In Young Kwack, Do Young Lee, Hyung Yeon Park, Bon-Su Lee, Chan Kyung Kim*
Keywords	Ligand-based QSAR, CoMFA, CoMSIA, Protein tyrosine kinase inhibitor, Fibroblast growth factor receptor
Abstract	Ligand-based quantitative structure-activity relationship (QSAR) studies were performed on indolinones derivatives as a potential inhibitor of the protein tyrosine kinase of fibroblast growth factor receptor (FGFR) by comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) implemented in the SYBYL packages. The initial X-ray structure of docked ligand (Su5402) to FGFR was used to minimize the 27 training set molecules using TRIPOS force field. Seven models were generated using CoMFA and CoMSIA with grid spacing 2 A. After the PLS analysis the best predicted CoMSIA model with hydrophobicity, hydrogen bond donor and acceptor property showed that a leave-one out(LOO) cross validated value (r2 cv) and non-cross validated conventional value (r2 ncv) are 0.543 and 0.938, respectively.
Page	1801 - 1806
Full Text	PDF

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