Structure-based design of selective histone deacetylase 6 zinc binding groups.

Journal of Biomolecular Structure & Dynamics
Leandro A Alves AvelarKatarina Nikolic

Abstract

The binding site of the second catalytic domain of human histone deacetylase 6 (HDAC6 CDII) has structural features that differ from the other human orthologues, being also mainly responsible for the overall enzymatic activity of this isoform. Aiming to identify new fragments as a possible novel selective zinc binding group (ZBG) for HDAC6 CDII, two fragment libraries were designed: one library consisting of known chelators and a second one using the fragments of the ZINC15 database. The most promising fragments identified in a structure-based virtual screening of designed libraries were further evaluated through molecular docking and molecular dynamics simulations. An interesting benzimidazole fragment was selected from the in silico studies and presented as potential zing binding group for the development of novel HDAC6 selective inhibitors.Communicated by Ramaswamy H. Sarma.

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Methods Mentioned

BETA
histone acetylation
X-ray

Software Mentioned

PROPKA
GMXPBSA
FLAP
AnteChamber Python Parser
SBVS
Play Molecule
FAF
Marvin Sketch
Gromacs
ChemScore

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