Cat. # | Size | Qty. | Price |
---|---|---|---|
25501T | 1 Kit (8 x 20 microliters) |
|
Product Includes | Quantity | Applications | Reactivity | MW(kDa) | Isotype |
---|---|---|---|---|---|
SET1A (D3V9S) Rabbit mAb 61702 | 20 µl |
|
H | 300 | Rabbit IgG |
SET1B (D1U5D) Rabbit mAb 44922 | 20 µl |
|
H M Mk | 320 | Rabbit IgG |
MLL1 (D2M7U) Rabbit mAb (Amino-terminal Antigen) 14689 | 20 µl |
|
H M R Mk | 300 | Rabbit IgG |
MLL1 (D6G8N) Rabbit mAb (Carboxy-terminal Antigen) 14197 | 20 µl |
|
H M R Mk | 180 | Rabbit IgG |
MLL2/KMT2B (D6X2E) Rabbit mAb (Carboxy-terminal Antigen) 63735 | 20 µl |
|
H | 80 | Rabbit IgG |
WDR5 (D9E1I) Rabbit mAb 13105 | 20 µl |
|
H M R Mk | 37 | Rabbit IgG |
WDR82 (D2I3B) Rabbit mAb 99715 | 20 µl |
|
H M Mk | 30 | Rabbit IgG |
Menin (D45B1) XP® Rabbit mAb 6891 | 20 µl |
|
H M R Mk | 68 | Rabbit IgG |
Anti-rabbit IgG, HRP-linked Antibody 7074 | 100 µl |
|
Goat |
Product Information
Monoclonal antibodies are produced by immunizing rabbits with synthetic peptides corresponding to residues surrounding Pro383 of human SET1A, Val204 of human SET1B, Val13 of human WDR82, and Val597 of human Menin proteins, or recombinant protein specific to the amino terminus of human MLL1, carboxy terminus of human MLL1, carboxy terminus of human MLL2, and full-length human WDR5 proteins.
The Set1 histone methyltransferase protein was first identified in yeast as part of the Set1/COMPASS histone methyltransferase complex, which methylates histone H3 on lysine 4 and functions as a transcriptional co-activator (1). While yeast contain only one known Set1 protein, mammals contain six Set1-related proteins: SET1A, SET1B, MLL1, MLL2, MLL3 and MLL4, all of which methylate histone H3 on lysine 4 (2,3). These Set1-related proteins are each found in distinct protein complexes, all of which share the common core structural subunits WDR5, RBBP5 and ASH2L (2-6). WDR82 is a core subunit specific to SET1A and SET1B complexes, while Menin is a core subunit specific to the MLL complexes (4,5,7).
Like yeast Set1, all six Set1-related mammalian proteins methylate histone H3 on lysine 4 (2-6). SET1A, SET1B, MLL1 and MLL2 mediate di- and tri-methylation of histone H3 Lys4 at gene promoters to facilitate transcription activation. MLL3 and MLL4 function primarily to mono-methylate histone H3 Lys4 at gene enhancers. MLL1 and MLL2 function as master regulators of both embryogenesis and hematopoiesis, and are required for proper expression of Hox genes (8-10). MLL1 is a large approximately 4000 amino acid protein that is cleaved by the Taspase 1 threonine endopeptidase to form N-terminal (MLL1-N) and C-terminal MLL1 (MLL1-C) fragments, both of which are subunits of the functional MLL1/COMPASS complex (11,12). MLL1 translocations are found in a large number of hematological malignancies, suggesting that Set1 histone methyltransferase complexes play a critical role in leukemogenesis (6). Like MLL1, MLL2 is also a large, approximately 2700 amino acid protein that is cleaved by the Taspase 1 threonine endopeptidase to form N-terminal (MLL2-N) and C-terminal (MLL2-C) fragments, both of which are subunits of the functional MLL2/COMPASS complex. MLL2 has also been implicated as a modulator of hematological malignancies (13). MLL3 and MLL4 proteins are not cleaved by Taspase 1.
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