RPA70 Antibody (YA678)

Cat. No.: HY-P80884: Data Sheet COA
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RPA70 Antibody (YA678) is a Mouse-derived and non-conjugated IgG2a monoclonal antibody, targeting to RPA70.

For research use only. We do not sell to patients.

Size	Stock	Quantity
20 μL	In-stock	Estimated Time of Arrival: December 31
50 μL	In-stock	Estimated Time of Arrival: December 31
100 μL	In-stock	Estimated Time of Arrival: December 31
250 μL	Get quote

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RPA70 Antibody (YA678) Featured Recommendations:

1 Publications Citing Use of MCE RPA70 Antibody (YA678)

•Sci Bull. 2025 Apr 30;70(8):1311-1327. [Abstract]

WB: Western Blot;
IHC-P: Immunohistochemistry-Paraffin;
IHC-F: Immunohistochemistry-Frozen;
ICC/IF: Immunocytochemistry/Immunofluorescence;
IF-Tissue: Immunofluorescence-Tissue;
mIHC: Multiplex Immunohistochemical;
IP: Immunoprecipitation;
ChIP: Chromatin Immunoprecipitation;
FC: Flow Cytometry;
ELISA: Enzyme Linked Immunosorbent Assay

Product Detail
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Background
Documentation

Description

RPA70 Antibody (YA678) is a Mouse-derived and non-conjugated IgG2a monoclonal antibody, targeting to RPA70.

Host

Mouse

Clonality

Monoclonal

Molecular Weight

Predicted band size: 68 kDa;

Observed band size: 68 kDa

Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.

Species Reactivity

Human, Monkey, Mouse, Rat

SwissProt ID

P27694

Gene ID

6117 [NCBI]

Immunogen

Synthetic peptide corresponding to Human RPA70.The exact sequence is proprietary to MCE.

Application &
Dilution Ratio

Application	Dilution Ratio
WB WB: Western Blot	1:500-1:1000
ICC/IF ICC/IF: Immunocytochemistry/Immunofluorescence	1:50-1:200
IP IP: Immunoprecipitation	1:20

Sensitivity	Endogenous	Purity	affinity purified
Conjugation	Non-conjugated	Modification	Unmodified
Isotype	IgG2a

Appearance

Liquid

Formulation

Supplied in 1*PBS (pH 7.3), 50% glycerol and 0.5% BSA. Preservative: 0.02% sodium azide.

Storage & Stability

Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.

Shipping

Shipping with blue ice.

Verification Image

ALL WB ICC

Western blot analysis of extracts from Hela(lane 2(20ug) ,K562(lane 3(20ug) and HEK293(lane 4(20ug) using RPA70 Antibody (HY-P80884) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P83730, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.
Western blot analysis was performed on extracts from Hela (lane 1, 15 μg), 293T (lane 2, 15 μg), and A549 (lane 3, 15 μg) using RPA70 Mouse mAb.Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST at 4°C overnight.The primary antibody (1:1000 dilution) and the loading control antibody (beta-Actin, HY-P80438, 1:20000 dilution) were incubated in 5% non-fat milk in TBST for 1 hour at 37°C.Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1:20000 dilution) was then applied for 40 minutes at 37°C.
Immunocytochemistry analysis of Hela cells labeling RPA70 Antibody (HY-P80884) at 1/50 dilution. Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 for 10 minutes at room temperature, then blocked with QuickBlock™ Blocking Buffer for Immunol Staining for 10 min at room temperature. Cells were then incubated with RPA70 Antibody (HY-P80884) at 1/50 dilution in QuickBlock™ Blocking Buffer for Immunol Staining at 4 ℃. Alexa Fluor® 488-conjugated AffiniPure Goat Anti-Rabbit IgG H&L（HY-P8002, Green) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. The Nuclear counterstain was DAPI (Blue).
Immunocytochemistry analysis of Hela cells labeling RPA70 Antibody (HY-P80884) at 1/150 dilution. Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 for 10 minutes at room temperature, then blocked with QuickBlock™ Blocking Buffer for Immunol Staining for 10 min at room temperature. Cells were then incubated with RPA70 Antibody (HY-P80884) at 1/150 dilution in QuickBlock™ Blocking Buffer for Immunol Staining at 4 ℃. Alexa Fluor® 488-conjugated AffiniPure Goat Anti-Rabbit IgG H&L（HY-P8002, Green) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. The Nuclear counterstain was DAPI (Blue).

Background

Function：As part of the heterotrimeric replication protein A complex (RPA/RP-A), binds and stabilizes single-stranded DNA intermediates that form during DNA replication or upon DNA stress. It prevents their reannealing and in parallel, recruits and activates different proteins and complexes involved in DNA metabolism (PubMed:17596542, PubMed:27723717, PubMed:27723720). Thereby, it plays an essential role both in DNA replication and the cellular response to DNA damage (PubMed:9430682). In the cellular response to DNA damage, the RPA complex controls DNA repair and DNA damage checkpoint activation. Through recruitment of ATRIP activates the ATR kinase a master regulator of the DNA damage response (PubMed:24332808). It is required for the recruitment of the DNA double-strand break repair factors RAD51 and RAD52 to chromatin in response to DNA damage (PubMed:17765923). Also recruits to sites of DNA damage proteins like XPA and XPG that are involved in nucleotide excision repair and is required for this mechanism of DNA repair (PubMed:7697716). Also plays a role in base excision repair (BER) probably through interaction with UNG (PubMed:9765279). Also recruits SMARCAL1/HARP, which is involved in replication fork restart, to sites of DNA damage. Plays a role in telomere maintenance (PubMed:17959650, PubMed:34767620). As part of the alternative replication protein A complex, aRPA, binds single-stranded DNA and probably plays a role in DNA repair. Compared to the RPA2-containing, canonical RPA complex, may not support chromosomal DNA replication and cell cycle progression through S-phase. The aRPA may not promote efficient priming by DNA polymerase alpha but could support DNA synthesis by polymerase delta in presence of PCNA and replication factor C (RFC), the dual incision/excision reaction of nucleotide excision repair and RAD51-dependent strand exchange (PubMed:19996105). RPA stimulates 5'-3' helicase activity of the BRIP1/FANCJ (PubMed:17596542)

Subcellular Localization：Nucleus; Nucleus, PML body

Subunit：Component of the canonical replication protein A complex (RPA), a heterotrimer composed of RPA1, RPA2 and RPA3 (PubMed:27723717, PubMed:27723720, PubMed:34767620). Also a component of the aRPA, the alternative replication protein A complex, a trimeric complex similar to the replication protein A complex/RPA but where RPA1 and RPA3 are associated with RPA4 instead of RPA2 (PubMed:19116208, PubMed:7760808). The DNA-binding activity may reside exclusively on the RPA1 subunit. Interacts with PRPF19; the PRP19-CDC5L complex is recruited to the sites of DNA repair where it ubiquitinates the replication protein A complex (RPA) (PubMed:24332808). Interacts with RIPK1 (PubMed:16135809). Interacts with the polymerase alpha subunit POLA1/p180; this interaction stabilizes the replicative complex and reduces the misincorporation rate of DNA polymerase alpha by acting as a fidelity clamp (PubMed:9214288). Interacts with RAD51 and SENP6 to regulate DNA repair (PubMed:20705237). Interacts with HELB; this interaction promotes HELB recruitment to chromatin following DNA damage (PubMed:22194613, PubMed:26774285). Interacts with PRIMPOL; leading to recruit PRIMPOL on chromatin and stimulate its DNA primase activity (PubMed:24126761, PubMed:25550423, PubMed:28534480). Interacts with XPA; the interaction is direct and associates XPA with the RPA complex (PubMed:10563794, PubMed:7700386, PubMed:9699634). Interacts with ETAA1; the interaction is direct and promotes ETAA1 recruitment at stalled replication forks (PubMed:27601467, PubMed:27723717, PubMed:27723720). Interacts with RPA1; this interaction associates HROB with the RPA complex (By similarity). Interacts (when poly-ADP-ribosylated) with HTATSF1 (PubMed:35597237). Interacts with BRIP1/FANCJ via this RPA1 subunit; following DNA damage they colocalize in foci in the nucleus (PubMed:17596542)

RRID

AB_3102737

Database

Entrez Gene: 6117 Human ; 68275 Mouse ; 287524 Rat

SwissProt: P27694 Human ; Q8VEE4 Mouse ;

OMIM: 619767 Human

Research Field

Epigenetics and Nuclear Signaling

Synonyms

RPA1; HSSB; MST075; REPA1; RF-A; RP-A; RPA70

Documentation

Select Batch:

Data Sheet (235 KB) SDS (251 KB)

COA (206 KB)

User Guide for Antibodies (1077 KB)

RPA70 Antibody (YA678) Related Classifications

Help & FAQs

Do most proteins show cross-species activity?
Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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RPA70 Antibody (YA678)

RPA70 Antibody (YA678) Featured Recommendations:

1 Publications Citing Use of MCE RPA70 Antibody (YA678)

Product Detail

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Background

Documentation

RPA70 Antibody (YA678) Related Classifications

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