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Merck
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Key Documents

R1280

Sigma-Aldrich

Monoclonal Anti-RPA/p34 antibody produced in mouse

~2 mg/mL, clone 9H8, purified immunoglobulin, buffered aqueous solution

동의어(들):

Anti-REPA2, Anti-RPA2, Anti-RPA32, Anti-Replication protein A2; 32kDa

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About This Item

MDL number:
UNSPSC 코드:
12352203
NACRES:
NA.41

생물학적 소스

mouse

Quality Level

결합

unconjugated

항체 형태

purified immunoglobulin

항체 생산 유형

primary antibodies

클론

9H8, monoclonal

형태

buffered aqueous solution

분자량

antigen ~34 kDa

종 반응성

human, monkey

농도

~2 mg/mL

기술

immunocytochemistry: suitable
immunoprecipitation (IP): suitable
western blot: 0.1-0.2 μg/mL using HeLa total cell extract

동형

IgG1

UniProt 수납 번호

배송 상태

dry ice

저장 온도

−20°C

타겟 번역 후 변형

unmodified

유전자 정보

human ... RPA2(6118)

일반 설명

Monoclonal Anti-RPA/p34 (mouse IgG1 isotype) is derived from the hybridoma 9H8 produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice immunized with purified human RPA/p34. Replication protein A Replication protein A (RPA) complex is a single-stranded DNA-binding protein and it is made up of 70-, 32- and 14-kDa subunits.

면역원

purified human RPA/p34.

애플리케이션

The antibody may be used in:
  • immunoblotting (~34 kDa)
  • immunocytochemistry
  • immunoprecipitation

생화학적/생리학적 작용

Replication protein A (RPA) complex is essential for processes like DNA replication, recombination, and DNA repair pathways. The 32-kDa subunit of human RPA is hyper-phosphorylated in its N-terminus upon cellular DNA damage. This phosphorylation causes a change in RPA conformation that down-regulates its activity in DNA replication but does not affect DNA repair processes. Thus the role of RPA phosphorylation in the cellular response to DNA damage is to help regulate DNA metabolism and promote DNA repair.The RPA complex, once bound to single stranded DNA, recruits the ATR (ataxia-telangiectasia mutated and Rad3-related)-ATRIP (ATR-interacting protein) protein kinase complex that is crucial for the cellular response to replication stress and DNA damage and for ATR-mediated Chk1 activation in human cells. Furthermore, the association of this complex to the single stranded DNA causes the phosphorylation of RAD17 protein that is bound to DNA. Yeast strains deficient in RPA are defective in recruiting Ddc2 (yeast homologue of ATRIP) and thus down stream proteins are not phosphorylated. Replication protein A binds with the ssDNA with great affinity and interacts specifically with multiple proteins.

물리적 형태

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

면책조항

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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Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


시험 성적서(COA)

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문서 라이브러리 방문

Sensing DNA damage through ATRIP recognition of RPA-ssDNA complexes
Zou L and Elledge S J
Science (New York, N.Y.), 300(5625), 1542-1548 (2003)
W Q Qiu et al.
The Journal of biological chemistry, 271(14), 8443-8451 (1996-04-05)
Progressive cerebral deposition of the amyloid beta-peptide (Abeta) is an early and constant feature of Alzheimer's disease. Abeta is derived by proteolysis from the beta-amyloid precursor protein. beta-Amyloid precursor protein processing and the generation of Abeta have been extensively characterized
Replication protein A phosphorylation and the cellular response to DNA damage
Binz S K, et al.
DNA Repair, 3(8-9), 1015-1024 (2004)
E Stigger et al.
Proceedings of the National Academy of Sciences of the United States of America, 91(2), 579-583 (1994-01-18)
Human single-stranded DNA-binding protein (HSSB), also known as replication protein A, is composed of a 70-kDa single-stranded DNA-binding subunit (p70) and 34-kDa and 11-kDa (p34 and p11, respectively) subunits of unknown functions. We have examined interactions among the HSSB subunits
Beáta E Jády et al.
Molecular biology of the cell, 17(2), 944-954 (2005-12-02)
Telomerase is a ribonucleoprotein enzyme that counteracts replicative telomere erosion by adding telomeric sequence repeats onto chromosome ends. Despite its well-established role in telomere synthesis, telomerase has not yet been detected at telomeres. The RNA component of human telomerase (hTR)

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