|Other Names||Histone-lysine N-methyltransferase 2C, Lysine N-methyltransferase 2C, Homologous to ALR protein, Myeloid/lymphoid or mixed-lineage leukemia protein 3, KMT2C, HALR, KIAA1506, MLL3|
|Target/Specificity||The synthetic peptide sequence used to generate the antibody AP6184c was selected from the Center region of human MLL3. A 10 to 100 fold molar excess to antibody is recommended. Precise conditions should be optimized for a particular assay.|
|Format||The synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml deionized water for a final concentration of 1 mg/ml.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.|
|Precautions||This product is for research use only. Not for use in diagnostic or therapeutic procedures.|
|Synonyms||HALR, KIAA1506, MLL3|
|Function||Histone methyltransferase. Methylates 'Lys-4' of histone H3. H3 'Lys-4' methylation represents a specific tag for epigenetic transcriptional activation. Central component of the MLL2/3 complex, a coactivator complex of nuclear receptors, involved in transcriptional coactivation. KMT2C/MLL3 may be a catalytic subunit of this complex. May be involved in leukemogenesis and developmental disorder.|
|Tissue Location||Highly expressed in testis and ovary, followed by brain and liver. Also expressed in placenta, peripherical blood, fetal thymus, heart, lung and kidney. Within brain, expression was highest in hippocampus, caudate nucleus, and substantia nigra. Not detected in skeletal muscle and fetal liver|
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The SET domain is a conserved C-terminal domain that characterizes proteins of the MLL family, including MLL3. The MLL SET domain is a histone H3 Lys4 (K4)-specific methyltransferase whose activity is stimulated with acetylated H3 peptides. MLL3 maps to 7q36, a chromosome region frequently deleted in myeloid leukaemia. The deduced MLL3 4,911-amino acid protein is more closely related to MLL2 than to MLL1 or MLL4. MLL3 has 6 plant homeodomain (PHD) fingers preceded by a cys-rich ZNF1 domain in its N terminus; a high mobility group (HMG) box, an ATPase alpha-beta signature, and a leucine zipper motif in its central region; and 2 C-terminal FY (phe-tyr) motifs and the SET domain preceded by a ZNF2 domain in its C terminus. The predicted protein also contains several putative nuclear localization motifs. Isoform II lacks ZNF1 and the PHD.
Ota, T., et al., Nat. Genet. 36(1):40-45 (2004). Hillier, L.W., et al., Nature 424(6945):157-164 (2003). Goo, Y.-H., et al., Mol. Cell. Biol. 23(1):140-149 (2003). Tan, Y.C., et al., Cancer Detect. Prev. 25(5):454-469 (2001). Nagase, T., et al., DNA Res. 7(2):143-150 (2000).
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