Histone H2A.X Polyclonal antibody

Histone H2A.X Polyclonal Antibody for WB, IF, FC, IHC, ELISA

Host / Isotype

Rabbit / IgG


human, mouse, rat and More (1)





Cat no : 10856-1-AP


H2A histone family, member X, H2A.X, H2A/X, H2AFX, H2AX, histone, Histone H2A, Histone H2A.x

Tested Applications

Positive WB detected inHEK-293 cells, mouse heart tissue, Raji cells, HL-60 cells, HEK-293 ells, mouse kidney, rat kidney
Positive IHC detected inhuman lymphoma tissue
Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0
Positive IF detected inHeLa cells, HepG2 cells, U-251 cells
Positive FC detected inHepG2 cells

Recommended dilution

Western Blot (WB)WB : 1:1000-1:4000
Immunohistochemistry (IHC)IHC : 1:50-1:500
Immunofluorescence (IF)IF : 1:50-1:500
Flow Cytometry (FC)FC : 0.20 ug per 10^6 cells in a 100 µl suspension
It is recommended that this reagent should be titrated in each testing system to obtain optimal results.
Sample-dependent, Check data in validation data gallery.

Product Information

10856-1-AP targets Histone H2A.X in WB, IF, FC, IHC, ChIP, ELISA applications and shows reactivity with human, mouse, rat samples.

Tested Reactivity human, mouse, rat
Cited Reactivityhuman, mouse, rat, pig
Host / Isotype Rabbit / IgG
Class Polyclonal
Type Antibody
Immunogen Histone H2A.X fusion protein Ag1305
Full Name H2A histone family, member X
Calculated Molecular Weight 15 kDa
Observed Molecular Weight 15-18 kDa
GenBank Accession NumberBC013416
Gene Symbol H2AFX
Gene ID (NCBI) 3014
Conjugate Unconjugated
Form Liquid
Purification MethodAntigen affinity purification
Storage Buffer PBS with 0.02% sodium azide and 50% glycerol pH 7.3.
Storage ConditionsStore at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage. 20ul sizes contain 0.1% BSA.

Background Information

Histone H2A.X belongs to the histone H2A family, which is synthesized in G1 and S phase. It is involved in nucleosomal organization of chromatin together with other histone proteins, and is specially important for recombination between immunoglobulin switch regions. H2A.X becomes phosphorylated on serine 139 (to form gamma-H2AFX or H2AX139ph) in response to DNA double strand breaks (DSBs) generated by exogenous genotoxic agents and by stalled replication forks, which promotes DNA repair and maintains genomic stability. The calculated molecular weight of H2AX is 15 kDa, but the ubiquitinated H2A.X is about 22 kDa.


Product Specific Protocols
WB protocol for Histone H2A.X antibody 10856-1-APDownload protocol
IHC protocol for Histone H2A.X antibody 10856-1-APDownload protocol
IF protocol for Histone H2A.X antibody 10856-1-APDownload protocol
Standard Protocols
Click here to view our Standard Protocols



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The reviews below have been submitted by verified Proteintech customers who received an incentive forproviding their feedback.


Andreas (Verified Customer) (03-23-2022)

Antibody gives very good signal, hence the dilution factor. One important note is that I include 1:2000 dilution of benzonase in my lysis buffer to recover most of the chromatin-bound material, which big part of it is otherwise lost during the clarification step.

  • Applications: Western Blot
  • Primary Antibody Dilution: 1:3000
  • Cell Tissue Type: HEK293FT

kes (Verified Customer) (01-17-2022)

used for WB (1:1000) in milk+TBST buffer and got good results

  • Applications: Western Blot
  • Primary Antibody Dilution: 1:1000
  • Cell Tissue Type: LIver cell lines