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5LSZ

Structure of the Epigenetic Oncogene MMSET and inhibition by N-Alkyl Sinefungin Derivatives

Summary for 5LSZ
Entry DOI10.2210/pdb5lsz/pdb
DescriptorHistone-lysine N-methyltransferase SETD2, ZINC ION, THIOCYANATE ION, ... (5 entities in total)
Functional Keywordslysine methyltransferase setd2 set domain, setd2#1, transferase
Biological sourceHomo sapiens (Human)
Total number of polymer chains1
Total formula weight34852.68
Authors
Tisi, D.,Pathuri, P.,Heightman, T. (deposition date: 2016-09-05, release date: 2016-10-05, Last modification date: 2024-11-06)
Primary citationTisi, D.,Chiarparin, E.,Tamanini, E.,Pathuri, P.,Coyle, J.E.,Hold, A.,Holding, F.P.,Amin, N.,Martin, A.C.,Rich, S.J.,Berdini, V.,Yon, J.,Acklam, P.,Burke, R.,Drouin, L.,Harmer, J.E.,Jeganathan, F.,van Montfort, R.L.,Newbatt, Y.,Tortorici, M.,Westlake, M.,Wood, A.,Hoelder, S.,Heightman, T.D.
Structure of the Epigenetic Oncogene MMSET and Inhibition by N-Alkyl Sinefungin Derivatives.
ACS Chem. Biol., 11:3093-3105, 2016
Cited by
PubMed Abstract: The members of the NSD subfamily of lysine methyl transferases are compelling oncology targets due to the recent characterization of gain-of-function mutations and translocations in several hematological cancers. To date, these proteins have proven intractable to small molecule inhibition. Here, we present initial efforts to identify inhibitors of MMSET (aka NSD2 or WHSC1) using solution phase and crystal structural methods. On the basis of 2D NMR experiments comparing NSD1 and MMSET structural mobility, we designed an MMSET construct with five point mutations in the N-terminal helix of its SET domain for crystallization experiments and elucidated the structure of the mutant MMSET SET domain at 2.1 Å resolution. Both NSD1 and MMSET crystal systems proved resistant to soaking or cocrystallography with inhibitors. However, use of the close homologue SETD2 as a structural surrogate supported the design and characterization of N-alkyl sinefungin derivatives, which showed low micromolar inhibition against both SETD2 and MMSET.
PubMed: 27571355
DOI: 10.1021/acschembio.6b00308
PDB entries with the same primary citation
Experimental method
X-RAY DIFFRACTION (1.62 Å)
Structure validation

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