General Information of the Protein
Protein ID |
PT03003
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Protein Name |
Histone-lysine N-methyltransferase EZH2
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Secondarily Protein Name |
ENX-1
Enhancer of zeste homolog 2
Lysine N-methyltransferase 6
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Gene Name |
EZH2
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Secondarily Gene Name |
KMT6
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Sequence |
MGQTGKKSEKGPVCWRKRVKSEYMRLRQLKRFRRADEVKSMFSSNRQKILERTEILNQEWKQRRIQPVHILTSVSSLRGTRECSVTSDLDFPTQVIPLKTLNAVASVPIMYSWSPLQQNFMVEDETVLHNIPYMGDEVLDQDGTFIEELIKNYDGKVHGDRECGFINDEIFVELVNALGQYNDDDDDDDGDDPEEREEKQKDLEDHRDDKESRPPRKFPSDKIFEAISSMFPDKGTAEELKEKYKELTEQQLPGALPPECTPNIDGPNAKSVQREQSLHSFHTLFCRRCFKYDCFLHPFHATPNTYKRKNTETALDNKPCGPQCYQHLEGAKEFAAALTAERIKTPPKRPGGRRRGRLPNNSSRPSTPTINVLESKDTDSDREAGTETGGENNDKEEEEKKDETSSSSEANSRCQTPIKMKPNIEPPENVEWSGAEASMFRVLIGTYYDNFCAIARLIGTKTCRQVYEFRVKESSIIAPAPAEDVDTPPRKKKRKHRLWAAHCRKIQLKKDGSSNHVYNYQPCDHPRQPCDSSCPCVIAQNFCEKFCQCSSECQNRFPGCRCKAQCNTKQCPCYLAVRECDPDLCLTCGAADHWDSKNVSCKNCSIQRGSKKHLLLAPSDVAGWGIFIKDPVQKNEFISEYCGEIISQDEADRRGKVYDKYMCSFLFNLNNDFVVDATRKGNKIRFANHSVNPNCYAKVMMVNGDHRIGIFAKRAIQTGEELFFDYRYSQADALKYVGIEREMEIP
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Organism |
Homo sapiens, Human
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Protein Classification |
Epigenetic regulator
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Protein methyltransferase
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Function |
Polycomb group (PcG) protein. Catalytic subunit of the PRC2/EED-EZH2 complex, which methylates 'Lys-9' (H3K9me) and 'Lys-27' (H3K27me) of histone H3, leading to transcriptional repression of the affected target gene. Able to mono-, di- and trimethylate 'Lys-27' of histone H3 to form H3K27me1, H3K27me2 and H3K27me3, respectively. Displays a preference for substrates with less methylation, loses activity when progressively more methyl groups are incorporated into H3K27, H3K27me0 > H3K27me1 > H3K27me2 (PubMed:22323599, PubMed:30923826). Compared to EZH1-containing complexes, it is more abundant in embryonic stem cells and plays a major role in forming H3K27me3, which is required for embryonic stem cell identity and proper differentiation. The PRC2/EED-EZH2 complex may also serve as a recruiting platform for DNA methyltransferases, thereby linking two epigenetic repression systems. Genes repressed by the PRC2/EED-EZH2 complex include HOXC8, HOXA9, MYT1, CDKN2A and retinoic acid target genes. EZH2 can also methylate non-histone proteins such as the transcription factor GATA4 and the nuclear receptor RORA. Regulates the circadian clock via histone methylation at the promoter of the circadian genes. Essential for the CRY1/2-mediated repression of the transcriptional activation of PER1/2 by the CLOCK-BMAL1 heterodimer; involved in the di and trimethylation of 'Lys-27' of histone H3 on PER1/2 promoters which is necessary for the CRY1/2 proteins to inhibit transcription.
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Uniprot ID |
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Subcellular Location |
Nucleus
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Map of Molecular Bioactivity Related to the Protein
Map of Molecular Bioactivity Related to the Protein Protein Cell Line Compound Bioactivity Value: <= 0.1 μM > 0.1 μM and <= 10 μM > 10 μM Imprecise Activity |
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Table of Molecular Bioactivities Related to the Protein
Cell Line ID: CL000175 , G-401
Cell Line ID: CL000286 , HCC1806
Cell Line ID: CL000017 , HeLa
Cell Line ID: CL000180 , Karpas-422
Cell Line ID: CL000346 , L-5178-Y
Cell Line ID: CL000141 , LNCaP
Cell Line ID: CL000013 , Sf9
Biochemical Assays
Clinical Information about the Protein
Target 1 ( Enhancer of zeste homolog 2 (EZH2) )
Target Type | Successful Target | ||||
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Disease | 5 Target-related Diseases | 5 | |||
1 | Follicular lymphoma [ICD-11: 2A80] | ||||
2 | Prostate cancer [ICD-11: 2C82.0] | ||||
3 | Solid tumour/cancer [ICD-11: 2A00-2F9Z] | ||||
4 | Small-cell lung cancer [ICD-11: 2C25.Y] | ||||
5 | Breast cancer [ICD-11: 2C60-2C65] | ||||
Approved Drug(s) | 1 Approved Drug | 1 | |||
1 | Tazemetostat | Approved | |||
Clinical Trial Drug(s) | 3 Clinical Trial Drugs | 3 | |||
1 | CPI-1205 | Phase 1/2 | |||
2 | GSK2816126 | Phase 1 | |||
3 | PF-06821497 | Phase 1 | |||
Investigative Drug(s) | 1 Investigative Drug | 1 | |||
1 | MS1943 | Investigative |
Target 2 ( EZH2 Y641F mutant (EZH2 Y641F) )
Target Type | Patented-recorded Target |
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Target 3 ( EZH2 Y641N mutant (EZH2 Y641N) )
Target Type | Patented-recorded Target |
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