Phospho-Histone H2A.X (Ser139) Antibody (YA191)
(Synonyms: H2A.X; H2AFX; H2a/x; HIST5-2AX; Histone H2A.X; gamma H2A.X)Based on 2 publication(s) in Google Scholar
Phospho-Histone H2A.X (Ser139) Antibody (YA191) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to Phospho-Histone H2A.X (Ser139).
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Host:
Rabbit
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Isotype:
IgG
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Application:
WB, IHC-P, ICC/IF, IP
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Reactivity :
Human, Mouse, Rat
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Formulation:
Supplied in 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol and 0.05% BSA. Preservative: 0.01% Sodium azide
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Conjugation:
Non-conjugated
Publications Citing Use of MedChemExpress (MCE) Phospho-Histone H2A.X (Ser139) Antibody (YA191)
More
Applications
| Application |
WB
WB: Western Blot
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IHC-P
IHC-P: Immunohistochemistry-Paraffin
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ICC/IF
ICC/IF: Immunocytochemistry/
Immunofluorescence |
IP
IP: Immunoprecipitation
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|---|---|---|---|---|
| Dilution Ratio | 1:2000-1:20000 | 1:1000-1:3000 | 1:100-1:200 | 1:20-1:50 |
Product Details
Phospho-Histone H2A.X (Ser139) Antibody (YA191) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to Phospho-Histone H2A.X (Ser139).
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Host Rabbit
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Clonality Recombinant,Monoclonal
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Species ReactivityHuman, Mouse, Rat
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Observed Molecular WeightObserved band size: 15 kDaNote: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
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Calculated Molecular Weight Predicted band size: 15 kDa
Entrez Gene: 3014 Human ; 15270 Mouse ; 500987 Rat
SwissProt: P16104 Human ; P27661 Mouse ;
OMIM: 601772 Human
Synthetic phosphopeptide corresponding to residues surrounding Ser139 of Human gamma H2A.X.The exact sequence is proprietary to MCE.
Endogenous
affinity purified
Non-conjugated
Phosphorylated
IgG
Product Properties
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Appearance
Solution
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Formulation
Supplied in 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol and 0.05% BSA. Preservative: 0.01% Sodium azide
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Concentration
Batch-dependent, Please check the COA for the concentration of each lot. Check Lot Concentration
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Storage & Stability
Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.
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Shipping
Shipping with blue ice.
Publications (2)
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Journal Impact Factor
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Most Recent
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Viruses
2025 Jan 13;17(1):90. PMID: 39861880 -
Discov Oncol
ATF6 activation promotes tumorigenesis and drug resistance in diffuse large B-cell lymphoma (DLBCL) by regulating the mTOR/S6K signaling pathway. [Abstract]2025 Apr 9;16(1):499. PMID: 40205285
Verification Images
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Western blot analysis of extracts from HepG2 (lane 2(20μg), HepG2 (lane 3(40μg), using Phospho-Histone H2A.X (Ser139) Antibody. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in TBST for 2 hour at room temperature. The primary antibody and Loading control antibody (Beta Actin, HY-P80438, 1/3000) was used in 5% BSA in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (HY-P8004/HY-P8001, 1/10,000) was used for 1 hour at room temperature.
Background
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Function
Histone H2A.X is a Variant histone H2A which replaces conventional H2A in a subset of nucleosomes. 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. Required for checkpoint-mediated arrest of cell cycle progression in response to low doses of ionizing radiation and for efficient repair of DNA double strand breaks (DSBs) specifically when modified by C-terminal phosphorylation
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Subcellular Localization
Nucleus; Chromosome
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Subunit
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 (Probable). Interacts with numerous proteins required for DNA damage signaling and repair when phosphorylated on Ser-140 (PubMed:12419185, PubMed:12607005, PubMed:15201865). These include MDC1, TP53BP1, BRCA1 and the MRN complex, composed of MRE11, RAD50, and NBN (PubMed:12419185, PubMed:12607005, PubMed:15201865). Interaction with the MRN complex is mediated at least in part by NBN (PubMed:12419185). Also interacts with DHX9/NDHII when phosphorylated on Ser-140 and MCPH1 when phosphorylated at Ser-140 or Tyr-143 (PubMed:15613478). Interacts with ARRB2; the interaction is detected in the nucleus upon OR1D2 stimulation (PubMed:16820410). Interacts with WRAP53/TCAB1 (PubMed:26734725, PubMed:27715493). Interacts with HDGFL2 (PubMed:26721387). Interacts with DNA damage up-regulated protein DDUP (PubMed:35849344). Forms a complex with DDUP and RAD18 following DDUP phosphorylation (PubMed:35849344)
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SwissProt ID
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Synonyms
H2A.X; H2AFX; H2a/x; HIST5-2AX; Histone H2A.X; gamma H2A.X
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Research Field
Epigenetics and Nuclear Signaling
Documentation
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Data Sheet (234 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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User Guide for Antibodies (1077 KB)