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ATRIP (Phospho-Ser68)Colorimetric Cell-Based ELISA Kit (CBCAB01366)

SKU:
CBCAB01366
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Research Area:
Epigenetics and Nuclear Signaling
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
$1,152
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Description

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ATRIP (Phospho-Ser68)Colorimetric Cell-Based ELISA Kit

The ATRIP Phospho-Ser68 Colorimetric Cell-Based ELISA Kit is specially designed for the accurate measurement of phosphorylated ATRIP (ATR Interacting Protein) at Ser68 in cell lysates. This kit offers high sensitivity and specificity, resulting in precise and consistent results for various research applications.Phosphorylation of ATRIP at Ser68 is critical for the activation of the ATR (Ataxia Telangiectasia and Rad3-related) kinase pathway, which plays a key role in DNA damage response and cell cycle regulation.

Dysregulation of this pathway is associated with various diseases, including cancer and genetic disorders, highlighting the importance of studying ATRIP phosphorylation for potential therapeutic interventions.Overall, the ATRIP Phospho-Ser68 Colorimetric Cell-Based ELISA Kit provides researchers with a valuable tool for investigating the role of ATRIP phosphorylation in cellular signaling pathways and disease mechanisms.

Product Name:ATRIP (Phospho-Ser68) Colorimetric Cell-Based ELISA
Product Code:CBCAB01366
ELISA Type:Cell-Based
Target:ATRIP (Phospho-Ser68)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The ATRIP (Phospho-Ser68) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect ATRIP protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated ATRIP in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on ATRIP phosphorylation.

Qualitative determination of ATRIP (Phospho-Ser68) concentration is achieved by an indirect ELISA format. In essence, ATRIP (Phospho-Ser68) is captured by ATRIP (Phospho-Ser68)-specific primary (1ø) antibodies while the HRP-conjugated secondary (2ø) antibodies bind the Fc region of the 1ø antibody. Through this binding, the HRP enzyme conjugated to the 2ø antibody can catalyze a colorimetric reaction upon substrate addition. Due to the qualitative nature of the Cell-Based ELISA, multiple normalization methods are needed:

1. A monoclonal antibody specific for human GAPDH is included to serve as an internal positive control in normalizing the target absorbance values.
2. Following the colorimetric measurement of HRP activity via substrate addition, the Crystal Violet whole-cell staining method may be used to determine cell density. After staining, the results can be analysed by normalizing the absorbance values to cell amounts, by which the plating difference can be adjusted.
Database Information:Gene ID: 84126, UniProt ID: Q8WXE1, OMIM: 606605, Unigene: Hs.694840
Gene Symbol:ATRIP
Sub Type:Phospho
UniProt Protein Function:ATRIP: is required for checkpoint signaling after DNA damage. Required for ATR expression, possibly by stabilizing the protein. Heterodimerizes with ATR. The heterodimer binds replication protein A (RPA), a protein complex that subsequently is recruited to single stranded DNA (ssDNA). Its EEXXXDDL motif is required for the interaction with catalytic subunit of DNA-PK and its recruitment to sites of DNA damage. e for this protein is either identical to or adjacent to that of ATRIP. Some of the mRNAs that encode ATRIP also encode TREX1 in another reading frame. Three alternatively spliced human isoforms have been reported.
UniProt Protein Details:

Protein type:DNA-binding; DNA repair, damage; Cell cycle regulation

Chromosomal Location of Human Ortholog: 3p21.31

Cellular Component: nucleoplasm; nucleus

Molecular Function:protein binding

Biological Process: DNA damage checkpoint; DNA repair; DNA replication

NCBI Summary:This gene encodes an essential component of the DNA damage checkpoint. The encoded protein binds to single-stranded DNA coated with replication protein A. The protein also interacts with the ataxia telangiectasia and Rad3 related protein kinase, resulting in its accumulation at intranuclear foci induced by DNA damage. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2012]
UniProt Code:Q8WXE1
NCBI GenInfo Identifier:48428109
NCBI Gene ID:84126
NCBI Accession:Q8WXE1.1
UniProt Secondary Accession:Q8WXE1,Q69YK9, Q8NHQ2, Q8WUG7, Q96CL3, Q9HA30, A8K6A3 A8K714, B2RCE7, B4DU92, B5MEB7,
UniProt Related Accession:Q8WXE1
Molecular Weight:791
NCBI Full Name:ATR-interacting protein
NCBI Synonym Full Names:ATR interacting protein
NCBI Official Symbol:ATRIP  
NCBI Protein Information:ATR-interacting protein; ATM and Rad3-related-interacting protein
UniProt Protein Name:ATR-interacting protein
UniProt Synonym Protein Names:ATM and Rad3-related-interacting protein
Protein Family:ATR-interacting protein
UniProt Gene Name:ATRIP  
UniProt Entry Name:ATRIP_HUMAN
ComponentQuantity
96-Well Cell Culture Clear-Bottom Microplate2 plates
10X TBS24 mL
Quenching Buffer24 mL
Blocking Buffer50 mL
15X Wash Buffer50 mL
Primary Antibody Diluent12 mL
100x Anti-Phospho Target Antibody 60 µL
100x Anti-Target Antibody60 µL
Anti-GAPDH Antibody60 µL
HRP-Conjugated Anti-Rabbit IgG Antibody12 mL
HRP-Conjugated Anti-Mouse IgG Antibody12 mL
SDS Solution12 mL
Stop Solution24 mL
Ready-to-Use Substrate12 mL
Crystal Violet Solution12 mL
Adhesive Plate Seals2 seals

The following materials and/or equipment are NOT provided in this kit but are necessary to successfully conduct the experiment:

  • Microplate reader able to measure absorbance at 450 nm and/or 595 nm for Crystal Violet Cell Staining (Optional)
  • Micropipettes with capability of measuring volumes ranging from 1 µL to 1 ml
  • 37% formaldehyde (Sigma Cat# F-8775) or formaldehyde from other sources
  • Squirt bottle, manifold dispenser, multichannel pipette reservoir or automated microplate washer
  • Graph paper or computer software capable of generating or displaying logarithmic functions
  • Absorbent papers or vacuum aspirator
  • Test tubes or microfuge tubes capable of storing ≥1 ml
  • Poly-L-Lysine (Sigma Cat# P4832 for suspension cells)
  • Orbital shaker (optional)
  • Deionized or sterile water

*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

StepProcedure
1.Seed 200 µL of 20,000 adherent cells in culture medium in each well of a 96-well plate. The plates included in the kit are sterile and treated for cell culture. For suspension cells and loosely attached cells, coat the plates with 100 µL of 10 µg/ml Poly-L-Lysine (not included) to each well of a 96-well plate for 30 minutes at 37 °C prior to adding cells.
2.Incubate the cells for overnight at 37 °C, 5% CO2.
3.Treat the cells as desired.
4.Remove the cell culture medium and rinse with 200 µL of 1x TBS, twice.
5.Fix the cells by incubating with 100 µL of Fixing Solution for 20 minutes at room temperature. The 4% formaldehyde is used for adherent cells and 8% formaldehyde is used for suspension cells and loosely attached cells.
6.Remove the Fixing Solution and wash the plate 3 times with 200 µL 1x Wash Buffer for five minutes each time with gentle shaking on the orbital shaker. The plate can be stored at 4 °C for a week.
7.Add 100 µL of Quenching Buffer and incubate for 20 minutes at room temperature.
8.Wash the plate 3 times with 1x Wash Buffer for 5 minutes each time.
9.Add 200 µL of Blocking Buffer and incubate for 1 hour at room temperature.
10. Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
11.Add 50 µL of 1x primary antibodies Anti-ATRIP (Phospho-Ser68) Antibody, Anti-ATRIP Antibody and/or Anti-GAPDH Antibody) to the corresponding wells, cover with Parafilm and incubate for 16 hours (overnight) at 4 °C. If the target expression is known to be high, incubate for 2 hours at room temperature.
12.Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
13.Add 50 µL of 1x secondary antibodies (HRP-Conjugated AntiRabbit IgG Antibody or HRP-Conjugated Anti-Mouse IgG Antibody) to corresponding wells and incubate for 1.5 hours at room temperature.
14.Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
15.Add 50 µL of Ready-to-Use Substrate to each well and incubate for 30 minutes at room temperature in the dark.
16.Add 50 µL of Stop Solution to each well and read OD at 450 nm immediately using the microplate reader.

(Additional Crystal Violet staining may be performed if desired – details of this may be found in the kit technical manual.)

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