|Detection of Human and Mouse EZH2 by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line, Jurkat human acute T cell leukemia cell line, and mouse spleen tissue. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human/Mouse EZH2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4767) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for EZH2 at approximately 80 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.|
EZH2 (Enhancer of zeste homolog 2; also ENX-1 and Lys N-methyltransferase 6) is an 80 kDa member of the EZ family of chromatin-dependent gene regulators. It is a nuclear protein that represses gene transcription through histone methylation. Human EZH2 is 746 amino acids (aa) in length. It contains an NLS (aa 490‑495), a Cys-rich region, and a methyltransferase SET (Suppressor/Enhancer/Trithorax) domain (aa 606‑729). There are four potential splice variants. One shows a premature truncation after Cys286, a second shows a 6 aa substitution for aa 329‑746, a third shows a deletion of aa 83‑121, and the fourth exhibits a 5 aa insertion after His297. Over aa 512‑645, human, mouse and canine EZH2 are identical in amino acid sequence.
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