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PLA0071

Sigma-Aldrich

Rabbit anti-Phospho RPA32 (S4/S8) Antibody, Affinity Purified

Powered by Bethyl Laboratories, Inc.

Synonym(e):

32kDa, REPA2, RF-A protein 2, RP-A p32, RP-A p34, RPA32, replication factor A protein 2, replication protein A 34 kDa subunit, replication protein A2, replication protein A2 (32kD)

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About This Item

UNSPSC-Code:
12352203
NACRES:
NA.41

Biologische Quelle

rabbit

Qualitätsniveau

100

Antikörperform

affinity purified immunoglobulin

Antikörper-Produkttyp

primary antibodies

Qualität

Powered by Bethyl Laboratories, Inc.

Speziesreaktivität

human, mouse

Methode(n)

immunocytochemistry: 1:500-1:5,000
immunohistochemistry: 1:500-1:2,000
immunoprecipitation (IP): 2-10 μg/mg
western blot: 1:2,000-1:10,000

Hinterlegungsnummer

NP_002937.1

Versandbedingung

wet ice

Lagertemp.

2-8°C

Posttranslationale Modifikation Target

phosphorylation (pSer4/pSer8)

Angaben zum Gen

human ... RPA2(6118)

Allgemeine Beschreibung

Replication protein A2 (RPA32) is encoded by the gene mapped to human chromosome 1p35.3. It is a subunit of the heterotrimeric replication protein A (RPA) complex.

Immunogen

Immunogen was a dually phosphorylated synthetic peptide, which represented a portion of human replication protein A2, 32 kDa surrounding phosphorylated serines that corresponded to positions 4 and 8 using the numbering given in entry NP_002937.1 (GeneID 6118).

Biochem./physiol. Wirkung

Replication Protein A (RPA) binds single-stranded DNA and plays a vital role in DNA replication, DNA repair, and checkpoint signaling. Phosphorylation of replication protein A2 (RPA32) by ataxia telangiectasia and Rad3-related protein kinase (ATR) and DNA-dependent protein kinase (DNA-PK) causes checkpoint kinase 1 (Chk1) activation and replication arrest. DNA-PK and ATR signaling via RPA32 (S4/S8) enhances genome stability and cell survival following replication stress.

Physikalische Form

Tris-citrate/phosphate buffer, pH 7 to 8 containing 0.09% Sodium Azide

Sonstige Hinweise

Replication protein A (RPA) is a multisubunit complex that carries out DNA mismatch repair (MMR) in association with MSH2 (a subunit of human MutS heterodimers), MLH1 (a subunit of human MutL heterodimers), PCNA, and DNA polymerase-delta. RPA is composed of a heterotrimer that includes subunits of 70 kDa (RPA1), 32kDa (RPA2), and 14kDa (RPA3). RPA2, the 32kDa subunit, is phosphorylated by the cdc2 family of kinases when cells enter S-phase and in response to DNA damage by ATM, ATR, and DNA-PK.

Haftungsausschluss

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Lagerklassenschlüssel

12 - Non Combustible Liquids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Die Dokumentenbibliothek aufrufen

DNA-PK phosphorylation of RPA32 Ser4/Ser8 regulates replication stress checkpoint activation, fork restart, homologous recombination and mitotic catastrophe
Ashley AK, et al.
DNA Repair, 21(3), 131-139 (2014)
Radka Storchova et al.
The FEBS journal, 288(20), 6035-6051 (2021-05-14)
Upon exposure to genotoxic stress, cells activate DNA damage response (DDR) that coordinates DNA repair with a temporal arrest in the cell cycle progression. DDR is triggered by activation of ataxia telangiectasia mutated/ataxia telangiectasia and Rad3-related protein kinases that phosphorylate
Bacterial DNA repair genes and their eukaryotic homologues: 4. The role of nucleotide excision DNA repair (NER) system in mammalian cells.
Maddukuri L, et al.
Acta Biochimica Polonica, 54(3), 469-482 (2007)
Alina Vaitsiankova et al.
Nature structural & molecular biology, 29(4), 329-338 (2022-03-26)
Poly(ADP-ribose) polymerase 1 (PARP1) is implicated in the detection and processing of unligated Okazaki fragments and other DNA replication intermediates, highlighting such structures as potential sources of genome breakage induced by PARP inhibition. Here, we show that PARP1 activity is
George Rasti et al.
Nucleic acids research, 51(13), 6754-6769 (2023-06-13)
The Sirtuin family of NAD+-dependent enzymes plays an important role in maintaining genome stability upon stress. Several mammalian Sirtuins have been linked directly or indirectly to the regulation of DNA damage during replication through Homologous recombination (HR). The role of

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