The ONIOM2 (B3LYP/6-31G (d, p): PM3) and B3LYP/6-31G (d, p) methods were applied to investigate the interaction between STI-571 and abelson tyrosine kinase binding site. The complex of N-[4-methyl-3-(4-pyridin-3-yl-pyrimidin-2-ylamino)- phenyl]-benzamide (part of STI-571) and related 16 amino acid residues were found at B3LYP/6-31G (d, p) level to have hydrogen bonds and pi....pi stacking interaction, their binding energy via HAF optimization was -20.4 kcal mol(-1). The results derived from this study agreed well with the reported observation.
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Univ S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USAUniv S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USA
Wang, HW
Cheng, FD
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Univ S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USAUniv S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USA
Cheng, FD
Cuenca, AG
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Univ S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USAUniv S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USA
Cuenca, AG
Bhalla, K
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Univ S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USAUniv S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USA
Bhalla, K
Sotomayor, EM
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Univ S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USAUniv S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Oncol, Tampa, FL 33612 USA