DESAIN INHIBITOR GANDA 5-LOX/COX: SKRINING DAN OPTIMASI SENYAWA-SENYAWA DENGAN SUB-STRUKTUR 2-BENZILIDEN SIKLOHEKSANA-1,3-DION MENGGUNAKAN PEMODELAN FARMAKOFOR, DOCKING, DAN QSAR
2014
Cyclooxygenase (COX) and 5-Lipoxygenase (5-LOX) are the main enzymes
involved in inflammation process. Most of the anti-inflammation drugs only work by
inhibiting COX activity. Considering that facts many researchs have been done to
find new compounds as dual 5-LOX/COX inhibitor in order to find safer and more
potent anti-inflammation drugs. One of the most interesting compounds to do further
investigation as dual 5-LOX/COX inhibitor is 2-benzilliden cyclohexane-1,3-dione
derivate. This research aimed to find lead compounds from many compounds that
have 2-benzilliden cyclohexane-1,3-dione as sub-structure and optimize them using
pharmacophore, docking and QSAR approach.
Test compounds was obtained from PubChem database and then prepared and
docked to 5-LOX protein which is produced by homology modeling and COX-2
protein wich have pdb code 3-NT1 with ligand-based and complex-based
pharmacophore using MOE. QSAR analysis was used to improve accuracy of the
scoring function by using docking score as the one of the QSAR descriptors.
From the process of screening virtual done been gained 5 compounds with
the value of pic50 prediction high ( more than 7 ) for enzymes 5-lox and cox, which
is a compound with the code pubchem 10518783, 56640218, 22996969, 10682939,
68986386.The result of optimation did not found a compound that has the activity of
an inhibitory 5-lox / cox larger than a compound of their parents.
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