. "RIV/00216224:14310/02:00006680" . . "Otyepka, Michal" . "141" . . . "[CC68843C03F0]" . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . "P(GV201/98/K041), P(LN00A016)" . "K\u0159\u00ED\u017E, Zden\u011Bk" . "3"^^ . . . . "cyclin dependent kinase; drug design; inhibitors; molecular dynamics; roscovitine"@en . "RIV/00216224:14310/02:00006680!RIV08-GA0-14310___" . "2"^^ . . "14"^^ . "Dynamics and binding modes of free cdk2 and its two complexes with inhibitors studied by computer simulations"@en . "Dynamics and binding modes of free cdk2 and its two complexes with inhibitors studied by computer simulations" . "Dynamics and binding modes of free cdk2 and its two complexes with inhibitors studied by computer simulations" . . . "Dynamics and binding modes of free cdk2 and its two complexes with inhibitors studied by computer simulations"@cs . "0739-1102" . "Journal of Biomolecular Structure & Dynamics" . . . "This article presents a molecular dynamics (MD) study of the cdk2 enzyme and its two complexes with the inhibitors isopentenyladenine and roscovitine using the Cornell et at. force field from the AMBER software package. The results show that inserting an inhibitor into the enzyme active site does not considerably change enzyme structure but it seemingly changes the distribution of internal motions. The inhibitor causes differences in the domain motions in free cdk2 and in its complexes. It was found out that repulsion of roscovitine N9 substituent causes conformational change on Lys 33 side chain. Isopentenyladenine forms with Lys 33 side chain terminal amino group a hydrogen bond. It implies that the cavity, where N9 substituent of roscovitine is buried, can adopt larger substituent due to Lys 33 side chain flexibility. The composition of electrostatic and van der Waals interactions between the inhibitor and the enzyme were also calculated along both cdk2/inhibitor MD trajectories together with MM-PB" . "Ko\u010Da, Jaroslav" . "2" . . "20" . "Dynamics and binding modes of free cdk2 and its two complexes with inhibitors studied by computer simulations"@en . . . "This article presents a molecular dynamics (MD) study of the cdk2 enzyme and its two complexes with the inhibitors isopentenyladenine and roscovitine using the Cornell et at. force field from the AMBER software package. The results show that inserting an inhibitor into the enzyme active site does not considerably change enzyme structure but it seemingly changes the distribution of internal motions. The inhibitor causes differences in the domain motions in free cdk2 and in its complexes. It was found out that repulsion of roscovitine N9 substituent causes conformational change on Lys 33 side chain. Isopentenyladenine forms with Lys 33 side chain terminal amino group a hydrogen bond. It implies that the cavity, where N9 substituent of roscovitine is buried, can adopt larger substituent due to Lys 33 side chain flexibility. The composition of electrostatic and van der Waals interactions between the inhibitor and the enzyme were also calculated along both cdk2/inhibitor MD trajectories together with MM-PB"@en . . "Dynamics and binding modes of free cdk2 and its two complexes with inhibitors studied by computer simulations"@cs . . "643875" . . . "This article presents a molecular dynamics (MD) study of the cdk2 enzyme and its two complexes with the inhibitors isopentenyladenine and roscovitine using the Cornell et at. force field from the AMBER software package. The results show that inserting an inhibitor into the enzyme active site does not considerably change enzyme structure but it seemingly changes the distribution of internal motions. The inhibitor causes differences in the domain motions in free cdk2 and in its complexes. It was found out that repulsion of roscovitine N9 substituent causes conformational change on Lys 33 side chain. Isopentenyladenine forms with Lys 33 side chain terminal amino group a hydrogen bond. It implies that the cavity, where N9 substituent of roscovitine is buried, can adopt larger substituent due to Lys 33 side chain flexibility. The composition of electrostatic and van der Waals interactions between the inhibitor and the enzyme were also calculated along both cdk2/inhibitor MD trajectories together with MM-PB"@cs . "14310" .