mDia3 (phospho-Ser-196) Blocking Peptide
€155.00
In stock
SKU
ECM-DX4525
Background:
Formins include several families of proteins that regulate actin cytoskeletal dynamics via two conserved formin homology domains, FH1 and FH2. Through cooperation of FH1 and FH2, formins construct actin-based structures comprising linear, unbranched filaments that are used in stress fibers, actin cables, microspikes, and contractile rings. A subgroup of the formins is the diaphanous (Dia) family, which includes mDia1 (Diap1), mDia2 (Diap3), and mDia3 (Diap2). mDia3 is activated by Cdc42 and regulates the attachment of microtubules to the kinetochore during mitosis. Aurora B kinase phosphorylates Ser-196 and Thr-882 in vitro, and phosphorylation of Ser-196 increases during mitosis in vivo. A multisite mutant mDia3 with nonphosphorylatable T66A, S196A, S880A and T882A leads to misalignment of chromosomes at the metaphase plate. Thus, phosphorylation may be an important regulator of mDia3 activity during mitosis.
Sequence: Phospho-mDia3 (Ser-196) synthetic peptide corresponding to amino acid residues surrounding Ser-196 in human mDia3 (Diap2). This peptide sequence is identical in rat and mouse mDia3, and the site is well conserved in human mDia1/Diap1 (Ser-171) and mDia2/Diap3 (Ser-202).
Specificity: The peptide is specifically recognized by anti-mDia3 (Ser-196) phospho-specific antibody (DP4521) in ELISA, and has been shown to block the reactivity of DP4521 during Western blot. In addition, the peptide is recommended for use in blocking DP4521 reactivity in immunocytochemistry.
Buffer/Storage:
Blocking Peptide is supplied in 50µl phosphate-buffered saline and 0.05% sodium azide. Store at –20°C. Stable for 1 year.
Formins include several families of proteins that regulate actin cytoskeletal dynamics via two conserved formin homology domains, FH1 and FH2. Through cooperation of FH1 and FH2, formins construct actin-based structures comprising linear, unbranched filaments that are used in stress fibers, actin cables, microspikes, and contractile rings. A subgroup of the formins is the diaphanous (Dia) family, which includes mDia1 (Diap1), mDia2 (Diap3), and mDia3 (Diap2). mDia3 is activated by Cdc42 and regulates the attachment of microtubules to the kinetochore during mitosis. Aurora B kinase phosphorylates Ser-196 and Thr-882 in vitro, and phosphorylation of Ser-196 increases during mitosis in vivo. A multisite mutant mDia3 with nonphosphorylatable T66A, S196A, S880A and T882A leads to misalignment of chromosomes at the metaphase plate. Thus, phosphorylation may be an important regulator of mDia3 activity during mitosis.
Sequence: Phospho-mDia3 (Ser-196) synthetic peptide corresponding to amino acid residues surrounding Ser-196 in human mDia3 (Diap2). This peptide sequence is identical in rat and mouse mDia3, and the site is well conserved in human mDia1/Diap1 (Ser-171) and mDia2/Diap3 (Ser-202).
Specificity: The peptide is specifically recognized by anti-mDia3 (Ser-196) phospho-specific antibody (DP4521) in ELISA, and has been shown to block the reactivity of DP4521 during Western blot. In addition, the peptide is recommended for use in blocking DP4521 reactivity in immunocytochemistry.
Buffer/Storage:
Blocking Peptide is supplied in 50µl phosphate-buffered saline and 0.05% sodium azide. Store at –20°C. Stable for 1 year.
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