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ATR Antibody
Rabbit Polyclonal Antibody
- SPECIFICATION
- CITATIONS: 1
- PROTOCOLS
- BACKGROUND
Application 
| WB |
|---|---|
| Primary Accession | Q13535 |
| Reactivity | Human, Mouse |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | Rabbit IgG |
| Calculated MW | 301367 Da |
| Gene ID | 545 |
|---|---|
| Application & Usage | Western blotting (1:1000 – 1:2000). HeLa cell lysate can be used as a positive control. However, the optimal concentrations should be determined individually. The antibody recognizes the ATR of human and mouse origins. Reactivity to other species has not been tested. |
| Other Names | ATR, Ataxia telangiectasia and Rad3 related; FRAP, FRP1, FRAP-related protein 1; SCKL, SCKL1, Seckel syndrome |
| Target/Specificity | ATR |
| Antibody Form | Liquid |
| Appearance | Colorless liquid |
| Formulation | 100 µl affinity purified rabbit polyclonal antibody in phosphate-buffered saline (PBS) containing 30% glycerol, 1% BSA and 0.02% thimerosal. |
| Handling | The antibody solution should be gently mixed before use. |
| Reconstitution & Storage | -20 °C |
| Background Descriptions | |
| Precautions | ATR Antibody is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | ATR {ECO:0000303|PubMed:14729973, ECO:0000312|HGNC:HGNC:882} |
|---|---|
| Function | Serine/threonine protein kinase which activates checkpoint signaling upon genotoxic stresses such as ionizing radiation (IR), ultraviolet light (UV), or DNA replication stalling, thereby acting as a DNA damage sensor (PubMed:10597277, PubMed:10608806, PubMed:10859164, PubMed:11721054, PubMed:12791985, PubMed:12814551, PubMed:14657349, PubMed:14729973, PubMed:14742437, PubMed:15210935, PubMed:15496423, PubMed:16260606, PubMed:21144835, PubMed:27723717, PubMed:27723720, PubMed:33848395, PubMed:9427750, PubMed:9636169, PubMed:21777809, PubMed:25083873, PubMed:30139873, PubMed:37788673, PubMed:37832547). Recognizes the substrate consensus sequence [ST]-Q (PubMed:10597277, PubMed:10608806, PubMed:10859164, PubMed:11721054, PubMed:12791985, PubMed:12814551, PubMed:14657349, PubMed:14729973, PubMed:14742437, PubMed:15210935, PubMed:15496423, PubMed:16260606, PubMed:21144835, PubMed:27723717, PubMed:27723720, PubMed:33848395, PubMed:9427750, PubMed:9636169). Phosphorylates BRCA1, CHEK1, MCM2, RAD17, RPA2, SMC1 and p53/TP53, which collectively inhibit DNA replication and mitosis and promote DNA repair, recombination and apoptosis (PubMed:9925639, PubMed:11114888, PubMed:11418864, PubMed:11865061, PubMed:21777809, PubMed:25083873). Phosphorylates 'Ser-139' of histone variant H2AX at sites of DNA damage, thereby regulating DNA damage response mechanism (PubMed:11673449). Required for FANCD2 ubiquitination (PubMed:15314022). Critical for maintenance of fragile site stability and efficient regulation of centrosome duplication (PubMed:12526805). Acts as a regulator of the S-G2 transition by restricting the activity of CDK1 during S-phase to prevent premature entry into G2 (PubMed:30139873). Acts as a regulator of the nuclear envelope integrity in response to DNA damage and stress (PubMed:25083873, PubMed:37788673, PubMed:37832547). Acts as a mechanical stress sensor at the nuclear envelope: relocalizes to the nuclear envelope in response to mechanical stress and mediates a checkpoint via phosphorylation of CHEK1 (PubMed:25083873). Also promotes nuclear envelope rupture in response to DNA damage by mediating phosphorylation of LMNA at 'Ser-282', leading to lamin disassembly (PubMed:37832547). Involved in the inflammatory response to genome instability and double- stranded DNA breaks: acts by localizing to micronuclei arising from genome instability and catalyzing phosphorylation of LMNA at 'Ser-395', priming LMNA for subsequent phosphorylation by CDK1 and micronuclei envelope rupture (PubMed:37788673). The rupture of micronuclear envelope triggers the cGAS-STING pathway thereby activating the type I interferon response and innate immunity (PubMed:37788673). Positively regulates the restart of stalled replication forks following activation by the KHDC3L-OOEP scaffold complex (By similarity). |
| Cellular Location | Nucleus. Chromosome. Nucleus envelope. Note=Depending on the cell type, it can also be found in PML nuclear bodies (PubMed:12814551). Recruited to chromatin during S-phase (PubMed:14871897). Redistributes to discrete nuclear foci upon DNA damage, hypoxia or replication fork stalling (PubMed:27723720). Relocalizes to the nuclear envelope in response to mechanical stress or DNA damage (PubMed:25083873, PubMed:37832547) Also localizes to the micronuclear envelope in response to response to genome instability (PubMed:37788673). |
| Tissue Location | Ubiquitous, with highest expression in testis. |
Research Areas
Citations ( 0 )
Application Protocols
Provided below are standard protocols that you may find useful for product applications.
Background
ATR (ATM and Rad3 related) is closely related to ATM (Ataxia telangiectasia, mutated) and is a member of the phosphatidylinositol 3 kinase (PI-3) family that is an early sensor of DNA damage. ATR is a serine-threonine kinase that reacts to UV damage and interruptions in replication. ATR may be able to sense DNA damage through interaction with Rad17 and 1as well as components of nucleosome remodeling complexes. In response to DNA damage, ATR has been shown to phosphorylate a multitude of substrates which include BRCA1, p53, Chk2, Rad 17, and E2F transcription factor 1.
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Discontinued
Cat# ABV10586-100
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