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Key Specifications Table
| Species Reactivity | Key Applications | Host | Format | Antibody Type |
|---|---|---|---|---|
| H, Vrt | WB, ELISA, ICC, Mplex, ChIP | M | Purified | Monoclonal Antibody |
| Description | |
|---|---|
| Catalogue Number | 05-1336-S |
| Brand Family | Upstate |
| Trade Name |
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| Description | Anti-phospho-Histone H3 (Ser10) Antibody, clone CMA312, Trial Size |
| Alternate Names |
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| Background Information | Histones are highly conserved proteins that serve as the structural scaffold for the organization of nuclear DNA into chromatin. The four core histones, H2A, H2B, H3, and H4, assemble into an octamer (2 molecules of each). Subsequently, 146 base pairs of DNA are wrapped around the octamer, forming the nucleosome. Histones are modified post-translationally; and these modifications regulate DNA transcription, repair, recombination, and replication. The most commonly studied modifications are acetylation, phosphorylation, methylation, and ubiquitination. Phosphorylation at Ser10, which is linked to gene activation, prevents methylation at Lys9 but facilitates acetylation of H3 and H4. Phosphorylated Ser10 is crucial for chromosome condensation and cell-cycle progression during mitosis and meiosis. In addition, Ser10 phosphorylation is also an essential regulatory mechanism for neoplastic cell transformation. Phosphorylation at Ser10 by Aurora-B mediates the dissociation of HP1 proteins (CBX1, CBX3 and CBX5) from heterochromatin. |
| Product Information | |
|---|---|
| Format | Purified |
| Control |
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| Presentation | Purified mouse monoclonal IgG in PBS with 0.05% sodium azide. |
| Quality Level | MQ100 |
| Applications | |
|---|---|
| Application | Anti-phospho-Histone H3 (Ser10) Antibody, clone CMA312 is a mouse monoclonal antibody for detection of phospho-Histone H3 (Ser10) also known as H3S10P, Histone H3 (phospho S10) & has been validated in WB, ELISA, ICC, Multiplexing and ChIP. |
| Key Applications |
|
| Biological Information | |
|---|---|
| Immunogen | Synthetic peptide corresponding to amino acids 1-19 of human Histone H3, phosphorylated on Ser10, conjugated to KLH. |
| Epitope | Phospho Ser10 |
| Clone | CMA312 |
| Concentration | Please refer to the Certificate of Analysis for the lot-specific concentration. |
| Host | Mouse |
| Specificity | This antibody specifically recognizes Histone H3 phosphorylated at Ser10. |
| Isotype | IgG1 |
| Species Reactivity |
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| Species Reactivity Note | Human. Broad species cross-reactivity is expected, based on sequence homology. |
| Antibody Type | Monoclonal Antibody |
| Entrez Gene Number |
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| Entrez Gene Summary | Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Nucleosomes consist of approximately 146 bp of DNA wrapped around a histone octamer composed of pairs of each of the four core histones (H2A, H2B, H3, and H4). The chromatin fiber is further compacted through the interaction of a linker histone, H1, with the DNA between the nucleosomes to form higher order chromatin structures. This gene is intronless and encodes a member of the histone H3 family. Transcripts from this gene lack polyA tails;instead, they contain a palindromic termination element. This gene is located separately from the other H3 genes that are in the histone gene cluster on chromosome 6p22-p21.3. |
| Gene Symbol |
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| Modifications |
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| Purification Method | Protein G Chromatography |
| UniProt Number |
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| UniProt Summary | FUNCTION: Variant histone H3 which replaces conventional H3 in a wide range of nucleosomes in active genes. Constitutes the predominant form of histone H3 in non-dividing cells and is incorporated into chromatin independently of DNA synthesis. Deposited at sites of nucleosomal displacement throughout transcribed genes, suggesting that it represents an epigenetic imprint of transcriptionally active chromatin. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. Ref.14 Ref.18 Ref.22 SUBUNIT STRUCTURE: The nucleosome is a histone octamer containing two molecules each of H2A, H2B, H3 and H4 assembled in one H3-H4 heterotetramer and two H2A-H2B heterodimers. The octamer wraps approximately 147 bp of DNA. Interacts with HIRA, a chaperone required for its incorporation into nucleosomes. Ref.14 SUBCELLULAR LOCATION: Nucleus. DEVELOPMENTAL STAGE: Expressed throughout the cell cycle independently of DNA synthesis. PTM: Acetylation is generally linked to gene activation. Acetylation on Lys-10 (H3K9ac) impairs methylation at Arg-9 (H3R8sme2). Acetylation on Lys-19 (H3K18ac) and Lys-24 (H3K24ac) favors methylation at Arg-18 (H3R17me). Citrullination at Arg-9 (H3R8ci) and/or Arg-18 (H3R17ci) by PADI4 impairs methylation and represses transcription. Asymmetric dimethylation at Arg-18 (H3R17me2a) by CARM1 is linked to gene activation. Symmetric dimethylation at Arg-9 (H3R8sme2) by PRMT5 is linked to gene repression. Asymmetric dimethylation at Arg-3 (H3R2me2a) by PRMT6 is linked to gene repression and is mutually exclusive with H3 Lys-5 methylation (H3K4me2 and H3K4me3). H3R2me2a is present at the 3 of genes regardless of their transcription state and is enriched on inactive promoters, while it is absent on active promoters. Specifically enriched in modifications associated with active chromatin such as methylation at Lys-5 (H3K4me), Lys-37 and Lys-80. Methylation at Lys-5 (H3K4me) facilitates subsequent acetylation of H3 and H4. Methylation at Lys-80 (H3K79me) is associated with DNA double-strand break (DSB) responses and is a specific target for TP53BP1. Methylation at Lys-10 (H3K9me) and Lys-28 (H3K27me), which are linked to gene repression, are underrepresented. Methylation at Lys-10 (H3K9me) is a specific target for HP1 proteins (CBX1, CBX3 and CBX5) and prevents subsequent phosphorylation at Ser-11 (H3S10ph) and acetylation of H3 and H4. Methylation at Lys-5 (H3K4me) and Lys-80 (H3K79me) require preliminary monoubiquitination of H2B at Lys-120. Methylation at Lys-10 (H3K9me) and Lys-28 (H3K27me) are enriched in inactive X chromosome chromatin. Phosphorylated at Thr-4 (H3T3ph) by GSG2/haspin during prophase and dephosphorylated during anaphase. At centromeres, specifically phosphorylated at Thr-12 (H3T11ph) from prophase to early anaphase, probably DAPK3. Phosphorylation at Ser-11 (H3S10ph) by AURKB is crucial for chromosome condensation and cell-cycle progression during mitosis and meiosis. In addition phosphorylation at Ser-11 (H3S10ph) by RPS6KA4 and RPS6KA5 is important during interphase because it enables the transcription of genes following external stimulation, like mitogens, stress, growth factors or UV irradiation and result in the activation of genes, such as c-fos and c-jun. Phosphorylation at Ser-11 (H3S10ph), which is linked to gene activation, prevents methylation at Lys-10 (H3K9me) but facilitates acetylation of H3 and H4. Phosphorylation at Ser-11 (H3S10ph) by AURKB mediates the dissociation of HP1 proteins (CBX1, CBX3 and CBX5) from heterochromatin. Phosphorylation at Ser-11 (H3S10ph) is also an essential regulatory mechanism for neoplastic cell transformation. Phosphorylated at Ser-29 by MLTK isoform 1, RPS6KA5 or AURKB during mitosis or upon ultraviolet B irradiation. Phosphorylation on Ser-32 is specific to regions bordering centromeres in metaphase chromosomes. Ref.9 Ref.10 Ref.12 Ref.13 Ref.19 Ref.20 Ref.21 Ref.30 Ref.32 Ubiquitinated By similarity. SEQUENCE SIMILARITIES: Belongs to the histone H3 family. |
| Molecular Weight | ~17 kDa |
| Product Usage Statements | |
|---|---|
| Quality Assurance | Western Blot Analysis: 1 μg/mL of this antibody detected phospho-Histone H3 (Ser10) on 1 μg of colcemid-treated HeLa acid extract. |
| Usage Statement |
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| Storage and Shipping Information | |
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| Storage Conditions | Stable for 1 year at 2-8°C from date of receipt. Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at 2-8°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance. |
| Packaging Information | |
|---|---|
| Material Size | 10 µg |