5yjo

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Crystal structure of SmyD3 in complex with covalent inhibitor 4

Structural highlights

5yjo is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.135Å
Ligands:8W0, SAM, ZN
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

SMYD3_HUMAN Histone methyltransferase. Specifically methylates 'Lys-4' and 'Lys-5' of histone H3, inducing di- and tri-methylation, but not monomethylation. Plays an important role in transcriptional activation as a member of an RNA polymerase complex. Binds DNA containing 5'-CCCTCC-3' or 5'-GAGGGG-3' sequences.[1] [2]

Publication Abstract from PubMed

SMYD3 is a histone methyltransferase that regulates gene transcription, and its overexpression is associated with multiple human cancers. A novel class of tetrahydroacridine compounds which inhibit SMYD3 through a covalent mechanism of action is identified. Optimization of these irreversible inhibitors resulted in the discovery of 4-chloroquinolines, a new class of covalent warheads. Tool compound 29 exhibits high potency by inhibiting SMYD3's enzymatic activity and showing antiproliferative activity against HepG2 in 3D cell culture. Our findings suggest that covalent inhibition of SMYD3 may have an impact on SMYD3 biology by affecting expression levels, and this warrants further exploration.

Discovery of Irreversible Inhibitors Targeting Histone Methyltransferase, SMYD3.,Huang C, Liew SS, Lin GR, Poulsen A, Ang MJY, Chia BCS, Chew SY, Kwek ZP, Wee JLK, Ong EH, Retna P, Baburajendran N, Li R, Yu W, Koh-Stenta X, Ngo A, Manesh S, Fulwood J, Ke Z, Chung HH, Sepramaniam S, Chew XH, Dinie N, Lee MA, Chew YS, Low CB, Pendharkar V, Manoharan V, Vuddagiri S, Sangthongpitag K, Joy J, Matter A, Hill J, Keller TH, Foo K ACS Med Chem Lett. 2019 May 23;10(6):978-984. doi:, 10.1021/acsmedchemlett.9b00170. eCollection 2019 Jun 13. PMID:31223458[3]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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See Also

References

  1. ↑ Hamamoto R, Furukawa Y, Morita M, Iimura Y, Silva FP, Li M, Yagyu R, Nakamura Y. SMYD3 encodes a histone methyltransferase involved in the proliferation of cancer cells. Nat Cell Biol. 2004 Aug;6(8):731-40. Epub 2004 Jul 4. PMID:15235609 doi:10.1038/ncb1151
  2. ↑ Van Aller GS, Reynoird N, Barbash O, Huddleston M, Liu S, Zmoos AF, McDevitt P, Sinnamon R, Le B, Mas G, Annan R, Sage J, Garcia BA, Tummino PJ, Gozani O, Kruger RG. Smyd3 regulates cancer cell phenotypes and catalyzes histone H4 lysine 5 methylation. Epigenetics. 2012 Apr;7(4):340-3. doi: 10.4161/epi.19506. Epub 2012 Apr 1. PMID:22419068 doi:10.4161/epi.19506
  3. ↑ Huang C, Liew SS, Lin GR, Poulsen A, Ang MJY, Chia BCS, Chew SY, Kwek ZP, Wee JLK, Ong EH, Retna P, Baburajendran N, Li R, Yu W, Koh-Stenta X, Ngo A, Manesh S, Fulwood J, Ke Z, Chung HH, Sepramaniam S, Chew XH, Dinie N, Lee MA, Chew YS, Low CB, Pendharkar V, Manoharan V, Vuddagiri S, Sangthongpitag K, Joy J, Matter A, Hill J, Keller TH, Foo K. Discovery of Irreversible Inhibitors Targeting Histone Methyltransferase, SMYD3. ACS Med Chem Lett. 2019 May 23;10(6):978-984. doi:, 10.1021/acsmedchemlett.9b00170. eCollection 2019 Jun 13. PMID:31223458 doi:http://dx.doi.org/10.1021/acsmedchemlett.9b00170

Contents


PDB ID 5yjo

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OCA

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