Rabbit Polyclonal Phospho-ATM-S1981 antibody (AP0310)


Reactivity: Human
Applications: WB,IHC
Conjugation: Unconjugated
Supplier: ABclonal Inc.

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Rabbit Polyclonal Phospho-ATM-S1981 antibody (AP0310)

Supplier: ABclonal Inc.

Recommended applications: WB,IHC

Recommended dilution:

WB 1:500 – 1:2000
IHC 1:50 – 1:100

Recommended protocols: check protocols

Image descriptions:

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Alternative names:

Check alternative names for the antibody


AT1 antibody; ATA antibody; ATC antibody; ATD antibody; ATE antibody; ATDC antibody; TEL1 antibody; TELO1 antibody;
A-T mutated antibody|A-T mutated homolog antibody|AT mutated antibody|AT1 antibody|ATA antibody|Ataxia telangiectasia mutated antibody|Ataxia telangiectasia mutated gene antibody|Ataxia telangiectasia mutated homolog (human) antibody|Ataxia telangiectasia mutated homolog antibody|ATC antibody|ATD antibody|ATDC antibody|ATE antibody|ATM antibody|ATM serine/threonine kinase antibody|ATM_HUMAN antibody|DKFZp781A0353 antibody|MGC74674 antibody|OTTHUMP00000232981 antibody|Serine protein kinase ATM antibody|Serine-protein kinase ATM antibody|Serine/threonine-protein kinase ATM antibody|Tefu antibody|TEL1 antibody|TEL1, telomere maintenance 1, homolog antibody|TELO1 antibody|Telomere fusion protein antibody|Phospho anti-ATM (S1981) antibody [EP1890Y] (ab81292)

SCBT cat No: sc-73615|sc-135663|sc-23921|sc-23922|sc-53173|sc-377293|sc-7230|sc-28881|sc-7129|sc-373834|


Rabbit Polyclonal Phospho-ATM-S1981 antibody

Catalogue No.





A phospho specific peptide corresponding to residues surrounding S1981 of human ATM











Molecular weight



Phospho-ATM-S1981 antibody was tube-contained.
Buffer: PBS with 0.02% sodium azide, 50% glycerol, pH7.3.


Affinity purification


Store at -20 Celsius degree. Avoid freeze / thaw cycles.

Alternative antibody names

AT1 antibody; ATA antibody; ATC antibody; ATD antibody; ATE antibody; ATDC antibody; TEL1 antibody; TELO1 antibody;

Protein names


Protein function

Serine/threonine protein kinase which activates checkpoint signaling upon double strand breaks (DSBs), apoptosis and genotoxic stresses such as ionizing ultraviolet A light (UVA), thereby acting as a DNA damage sensor. Recognizes the substrate consensus sequence [ST]-Q. Phosphorylates 'Ser-139' of histone variant H2AX/H2AFX at double strand breaks (DSBs), thereby regulating DNA damage response mechanism. Also plays a role in pre-B cell allelic exclusion, a process leading to expression of a single immunoglobulin heavy chain allele to enforce clonality and monospecific recognition by the B-cell antigen receptor (BCR) expressed on individual B-lymphocytes. After the introduction of DNA breaks by the RAG complex on one immunoglobulin allele, acts by mediating a repositioning of the second allele to pericentromeric heterochromatin, preventing accessibility to the RAG complex and recombination of the second allele. Also involved in signal transduction and cell cycle control. May function as a tumor suppressor. Necessary for activation of ABL1 and SAPK. Phosphorylates DYRK2, CHEK2, p53/TP53, FANCD2, NFKBIA, BRCA1, CTIP, nibrin (NBN), TERF1, RAD9 and DCLRE1C. May play a role in vesicle and/or protein transport. Could play a role in T-cell development, gonad and neurological function. Plays a role in replication-dependent histone mRNA degradation. Binds DNA ends. Phosphorylation of DYRK2 in nucleus in response to genotoxic stress prevents its MDM2-mediated ubiquitination and subsequent proteasome degradation. Phosphorylates ATF2 which stimulates its function in DNA damage response.

Protein tissue specificity

Found in pancreas, kidney, skeletal muscle, liver, lung, placenta, brain, heart, spleen, thymus, testis, ovary, small intestine, colon and leukocytes.

Protein sequence and domain

Belongs to the PI3/PI4-kinase family. ATM subfamily.; Contains 1 FAT domain.; Contains 1 FATC domain.; Contains 1 PI3K/PI4K domain. The FATC domain is required for interaction with KAT5.

Protein post-translational modifications

Phosphorylated by NUAK1/ARK5. Autophosphorylation on Ser-367, Ser-1893, Ser-1981 correlates with DNA damage-mediated activation of the kinase.; Acetylation, on DNA damage, is required for activation of the kinase activity, dimer-monomer transition, and subsequent autophosphorylation on Ser-1981. Acetylated in vitro by KAT5/TIP60.

Protein cellular localization

Nucleus . Cytoplasmic vesicle . Note=Primarily nuclear. Found also in endocytic vesicles in association with beta-adaptin.


The protein encoded by this gene belongs to the PI3/PI4-kinase family. This protein is an important cell cycle checkpoint kinase that phosphorylates; thus, it functions as a regulator of a wide variety of downstream proteins, including tumor suppressor proteins p53 and BRCA1, checkpoint kinase CHK2, checkpoint proteins RAD17 and RAD9, and DNA repair protein NBS1. This protein and the closely related kinase ATR are thought to be master controllers of cell cycle checkpoint signaling pathways that are required for cell response to DNA damage and for genome stability. Mutations in this gene are associated with ataxia telangiectasia, an autosomal recessive disorder.

Research area

<a href="http://antibodyplus.com/research-areas/">All research areas</a>><a href="http://antibodyplus.com/Kinases-and-Phosphatases/">Kinases and Phosphatases</a>><a href="http://antibodyplus.com/product-tag/Atm/">Atm</a><br><a href="http://antibodyplus.com/product-tag/Kinases-and-Phosphatases/"&gt; (View all antibody categories related to Kinases and Phosphatases)</a>


AntibodyPlus can customize Phospho-ATM-S1981 antibody according to your requirement, including bulk product size,etc. Please contact info@antibodyplus.com. AntibodyPlus provides antibody trial sample for your own antibody validation.

Product type

Primary antibody


ABclonal Inc.


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