Recombinant Human EZH2 + EED + SUZ12 + AEBP2 + RBBP4 (mutated Y646F) protein is a Human Full Length protein, in the 2 to 503 aa range, expressed in Baculovirus infected Sf9, with >=90% purity and suitable for SDS-PAGE.
This product is comprised of multiple sequences see
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Polycomb group (PcG) protein. Component of the PRC2/EED-EZH2 complex, which methylates 'Lys-9' and 'Lys-27' of histone H3, leading to transcriptional repression of the affected target gene. Also recognizes 'Lys-26' trimethylated histone H1 with the effect of inhibiting PRC2 complex methyltransferase activity on nucleosomal histone H3 'Lys-27', whereas H3 'Lys-27' recognition has the opposite effect, enabling the propagation of this repressive mark. 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 and CDKN2A.
SUZ12, AEBP2, RBBP4, EZH2 mutated Y646F
Polycomb protein EED, hEED, Embryonic ectoderm development protein, WD protein associating with integrin cytoplasmic tails 1, WAIT-1, EED
Recombinant Human EZH2 + EED + SUZ12 + AEBP2 + RBBP4 (mutated Y646F) protein is a Human Full Length protein, in the 2 to 503 aa range, expressed in Baculovirus infected Sf9, with >=90% purity and suitable for SDS-PAGE.
pH: 8
Constituents: 10% Glycerol (glycerin, glycerine), 0.8% Sodium chloride, 0.4% Tris HCl, 0.05% Sorbitan monolaurate, ethoxylated
Affinity purified.
Polycomb group (PcG) protein. Component of the PRC2/EED-EZH2 complex, which methylates 'Lys-9' and 'Lys-27' of histone H3, leading to transcriptional repression of the affected target gene. Also recognizes 'Lys-26' trimethylated histone H1 with the effect of inhibiting PRC2 complex methyltransferase activity on nucleosomal histone H3 'Lys-27', whereas H3 'Lys-27' recognition has the opposite effect, enabling the propagation of this repressive mark. 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 and CDKN2A.
Belongs to the WD repeat ESC family.
Methylated. Binding to histone H1 'Lys-26' promotes mono-, di-, and trimethylation of internal lysines.
Mutant version of EZH2 5-member complex but with a Tyr-to-Phe mutation on aa646 of the EZH2 protein. Complex of Human EZH2 (NM_004456), aa2-end, Y646F*, with N terminal His tag, MW= 86 kDa, Human EED (NM_003797), aa2-end with N terminal DDDDK tag, MW= 51 kDa, Human SUZ12 (NM_015355), aa2-end with N terminal His tag, MW = 87 kDa, Human AEBP2 (NM_153207), aa2- end with N terminal His tag, MW = 53 kDa, and Human RBBP4 (NM_005610), aa2-end with N terminal His tag, MW = 48 kDa, co-expressed in a baculovirus expression system.
The protein complex EZH2 + EED + SUZ12 + AEBP2 + RBBP4 often referred to as the Polycomb Repressive Complex 2 (PRC2) performs essential functions in chromatin remodeling. EZH2 the catalytic subunit carries out histone methylation specifically trimethylation of lysine 27 on histone H3 (H3K27me3) which leads to transcriptional repression. The full complex is a significant entity with variable mass between 200-700 kDa due to different interacting partners and post-translational modifications. PRC2's component proteins are widely expressed across different tissues playing integral roles in cellular processes.
The PRC2 complex regulates gene silencing important during development and differentiation. It forms a multiprotein complex where EZH2 works intimately with EED and SUZ12 to mediate its methyltransferase activity while AEBP2 and RBBP4 stabilize the complex and assist in DNA binding. The precise modulation of gene expression through PRC2 ensures correct lineage specification maintaining stem cell pluripotency and directing cellular differentiation.
The Polycomb Repressive Complex 2 influences major signaling networks such as the Wnt signaling and cell cycle regulation pathways. In the Wnt signaling pathway PRC2 interacts with other proteins like β-catenin to control transcription of target genes. Additionally in cell cycle regulation PRC2 modifies chromatin structures to repress genes essential for cell division when necessary. These interactions help maintain homeostasis and physiological balance in the cell.
PRC2 is linked to various cancers and developmental syndromes. Dysregulated EZH2 activity through overexpression or mutation often associates with malignancies like prostate cancer and lymphoma where it aberrantly silences tumor suppressor genes. Additionally PRC2 involvement has been noted in Weaver syndrome a developmental disorder connected with mutations in its components. The misregulation of PRC2 affects other proteins and pathways implicating it in complex disease mechanisms.
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10% gradient SDS-PAGE analysis of ab198129 (4μg complex).
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