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J Biol Chem ; 293(36): 13805-13814, 2018 09 07.
Artigo em Inglês | MEDLINE | ID: mdl-28912274

RESUMO

Polycomb repressive complex 2 (PRC2) methylates lysine 27 in histone H3, a modification associated with epigenetic gene silencing. This complex plays a fundamental role in regulating cellular differentiation and development, and PRC2 overexpression and mutations have been implicated in numerous cancers. In this Minireview, we examine recent studies elucidating the first crystal structures of the PRC2 core complex, yielding seminal insights into its catalytic mechanism, substrate specificity, allosteric regulation, and inhibition by a class of small molecules that are currently undergoing cancer clinical trials. We conclude by exploring unresolved questions and future directions for inquiry regarding PRC2 structure and function.


Assuntos
Complexo Repressor Polycomb 2/antagonistas & inibidores , Complexo Repressor Polycomb 2/química , Animais , Cristalografia por Raios X , Inativação Gênica , Humanos , Metilação , Neoplasias/tratamento farmacológico , Complexo Repressor Polycomb 2/efeitos dos fármacos , Conformação Proteica
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