Thermo Fisher Scientific Phospho-Histone H2A.X (Ser139) Monoclonal Antibody (CR55T33), PE, eBioscience
Phospho-Histone H2A.X (Ser139)을 인식하는 CR55T33 단클론 항체로, PE 형광 표지되어 세포 내 인산화 H2AX 검출에 최적화됨. Flow Cytometry용으로 사전 적정되어 있으며, DNA 손상 반응 및 복구 연구에 유용함. 인간 및 마우스 시료에 반응.
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Applications and Tested Dilution
- Application: Flow Cytometry (Flow)
- Tested Dilution: 5 µL (0.25 µg)/test
- Publications: View 6 publications
Product Specifications
| 항목 | 내용 |
|---|---|
| Species Reactivity | Human, Mouse |
| Published Species | Human, Mouse |
| Host / Isotype | Mouse / IgG1, kappa |
| Recommended Isotype Control | Mouse IgG1 kappa Isotype Control (P3.6.2.8.1), PE, eBioscience™ |
| Class | Monoclonal |
| Type | Antibody |
| Clone | CR55T33 |
| Conjugate | PE |
| Excitation / Emission Max | 565 / 576 nm |
| Form | Liquid |
| Concentration | 5 µL/Test |
| Purification | Affinity chromatography |
| Storage Buffer | PBS, pH 7.2, with 0.2% BSA |
| Contains | 0.09% sodium azide |
| Storage Conditions | 4°C, store in dark, DO NOT FREEZE |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_2572753 |
Available Formats
Product Specific Information
The CR55T33 monoclonal antibody recognizes phosphorylated serine 139 of human and mouse H2AX. H2AX is a member of the H2A histone family that complexes with DNA and other histones to form nucleosome units of eukaryotic chromatin.
After DNA damage such as double-strand breaks, genotoxic stress, or replication errors, PI3K-like kinases (ATM, ATR, DNA-PK) phosphorylate serine 139 in H2AX. This phosphorylation event recruits DNA repair proteins.
The CR55T33 antibody detects a single band (~15 kDa) on reduced lysates from etoposide-stimulated Jurkat cells.
Applications Reported: Intracellular staining followed by flow cytometric analysis.
Applications Tested: Pre-titrated for intracellular staining using the Foxp3/Transcription Factor Staining Buffer Set (Product #00-5523-00).
Recommended use: 5 µL (0.25 µg) per test (100 µL final volume, 10⁵–10⁸ cells/test).
Excitation: 488–561 nm
Emission: 578 nm
Laser Compatibility: Blue, Green, Yellow-Green
Filtration: 0.2 µm post-manufacturing filtered
Target Information
Histone H2A.X (H2AX) is a core histone protein involved in nucleosome formation. Upon DNA double-strand breaks, serine 139 phosphorylation generates γ-H2AX, a marker of DNA damage.
Phosphorylation of H2AX can be detected via Western blot or immunofluorescence, reflecting DSB frequency. PI3K-family kinases (ATM, ATR, DNA-PK) are implicated in this process.
H2A.X contains 143 amino acids and exists in two mRNA forms (~1600 bases with polyA, ~575 bases without). It maps to chromosome 11q23.2–q23.3 and contributes to chromatin structure and DNA repair signaling.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without authorization.
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