Gene Summary: This EED gene encodes a member of the Polycomb-group (PcG) family. PcG family members form multimeric protein complexes, which are involved in maintaining the transcriptional repressive state of genes over successive cell generations. EED protein interacts with enhancer of zeste 2, the cytoplasmic tail of integrin beta7, immunodeficiency virus type 1 (HIV-1) MA protein, and histone deacetylase proteins. EED protein mediates repression of gene activity through histone deacetylation, and may act as a specific regulator of integrin function. Two transcript variants encoding distinct isoforms have been identified for this gene. [provided by RefSeq, Jul 2008]General information above from NCBI
Subunit structure: Interacts with KMT2A/MLL1 (By similarity). Component of the PRC2/EED-EZH2 complex, which includes EED, EZH2, SUZ12, RBBP4 and RBBP7 and possibly AEBP2. The minimum components required for methyltransferase activity of the PRC2/EED-EZH2 complex are EED, EZH2 and SUZ12. Component of the PRC2/EED-EZH1 complex, which includes EED, EZH1, SUZ12, RBBP4 and AEBP2. The PRC2 complex may also interact with DNMT1, DNMT3A, DNMT3B and PHF1 via the EZH2 subunit and with SIRT1 via the SUZ12 subunit. Interacts with HDAC, HDAC2, histone H1 and YY1. May interact with ITGA4, ITGAE and ITGB7. May interact with the MA protein of HIV-1.
Domain: The WD repeat domain mediates recognition of trimethylated histone peptides at the consensus sequence Ala-Arg-Lys-Ser. This is achieved through an aromatic cage encircling the methyllysine, and involving Phe-97, Tyr-148 and Tyr-365.
Subcellular location: Nucleus. Chromosome. Note=Transiently colocalizes with XIST at inactive X chromosomes.
Tissue specificity: Expressed in brain, colon, heart, kidney, liver, lung, muscle, ovary, peripheral blood leukocytes, pancreas, placenta, prostate, spleen, small intestine, testis, thymus and uterus. Appears to be overexpressed in breast and colon cancer.
Developmental stage: Expression peaks at the G1/S phase boundary.
Induction: Expression is induced by E2F1, E2F2 and E2F3.
Post-translational: Methylated. Binding to histone H1 'Lys-26' promotes mono-, di-, and trimethylation of internal lysines.
Sequence similarity: Belongs to the WD repeat ESC family. Contains 7 WD repeats.
Ura H, et al. (2011) Eed/Sox2 regulatory loop controls ES cell self-renewal through histone methylation and acetylation. EMBO J. 30(11): 2190-204.
Montgomery ND, et al. (2007) Molecular and functional mapping of EED motifs required for PRC2-dependent histone methylation. J Mol Biol. 374(5): 1145-57.
Jin Q, et al. (2003) The protein phosphatase-1 (PP1) regulator, nuclear inhibitor of PP1 (NIPP1), interacts with the polycomb group protein, embryonic ectoderm development (EED), and functions as a transcriptional repressor. J Biol Chem. 278(33): 30677-85.
Showell C, et al. (2002) Identification of putative interaction partners for the Xenopus Polycomb-group protein Xeed. Gene. 291(1-2): 95-104.
Rinchik EM, et al. (1993) N-ethyl-N-nitrosourea-induced prenatally lethal mutations define at least two complementation groups within the embryonic ectoderm development (eed) locus in mouse chromosome 7. Mamm Genome. 4(7): 349-53.