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Myosin regulatory light chain 2 (Phospho-Ser18) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB00010
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€599
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Description

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Myosin regulatory light chain 2 (Phospho-Ser18)Colorimetric Cell-Based ELISA Kit

The Myosin Regulatory Light Chain 2 Phospho-Ser18 Colorimetric Cell-Based ELISA Kit from AssayGenie is a cutting-edge tool for the precise measurement of phospho-serine 18 levels in the human myosin regulatory light chain 2 protein. This kit offers exceptional sensitivity and specificity, ensuring accurate and reproducible results for a variety of research applications.Myosin regulatory light chain 2 is a key component of the myosin motor protein complex, playing a critical role in muscle contraction and cell motility. Phosphorylation of serine 18 on this protein regulates its activity, making it an important signaling event in various cellular processes.

Dysregulation of this phosphorylation event has been implicated in diseases such as cancer, heart disease, and neurological disorders, highlighting the significance of studying this biomarker for potential therapeutic interventions.With the Myosin Regulatory Light Chain 2 Phospho-Ser18 Colorimetric Cell-Based ELISA Kit, researchers can confidently investigate the role of this phosphorylation event in health and disease, opening new avenues for understanding and targeting related pathologies. Trust AssayGenie's innovative ELISA kit for accurate and reliable results in your research endeavors.

Product Name:Myosin regulatory light chain 2 (Phospho-Ser18) Colorimetric Cell-Based ELISA
Product Code:CBCAB00010
ELISA Type:Cell-Based
Target:Myosin regulatory light chain 2 (Phospho-Ser18)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The Myosin regulatory light chain 2 (Phospho-Ser18) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect Myosin regulatory light chain 2 protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated Myosin regulatory light chain 2 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on Myosin regulatory light chain 2 phosphorylation.

Qualitative determination of Myosin regulatory light chain 2 (Phospho-Ser18) concentration is achieved by an indirect ELISA format. In essence, Myosin regulatory light chain 2 (Phospho-Ser18) is captured by Myosin regulatory light chain 2 (Phospho-Ser18)-specific primary antibodies while the HRP-conjugated secondary antibodies bind the Fc region of the primary antibody. Through this binding, the HRP enzyme conjugated to the secondary 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: 3566, UniProt ID: P24844, OMIM: 147781, Unigene: Hs.513457
Gene Symbol:MLRN
Sub Type:Phospho
UniProt Protein Function:MRLC1: Myosin regulatory subunit that plays an important role in regulation of both smooth muscle and nonmuscle cell contractile activity via its phosphorylation. Implicated in cytokinesis, receptor capping, and cell locomotion. Myosin is an hexamer of 2 heavy chains and 4 light chains. Smooth muscle tissues and in some, but not all, nonmuscle cells. 2 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:

Protein type:Contractile; Motility/polarity/chemotaxis

Chromosomal Location of Human Ortholog: 20q11.23

Cellular Component: cytosol; muscle myosin complex; stress fiber; Z disc

Molecular Function:calcium ion binding; myosin heavy chain binding; structural constituent of muscle

Biological Process: axon guidance; ephrin receptor signaling pathway; muscle contraction; regulation of muscle contraction; small GTPase mediated signal transduction

NCBI Summary:Myosin, a structural component of muscle, consists of two heavy chains and four light chains. The protein encoded by this gene is a myosin light chain that may regulate muscle contraction by modulating the ATPase activity of myosin heads. The encoded protein binds calcium and is activated by myosin light chain kinase. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
UniProt Code:P24844
NCBI GenInfo Identifier:20141521
NCBI Gene ID:10398
NCBI Accession:P24844.4
UniProt Secondary Accession:P24844,Q9BQL9, Q9BUF9, Q9H136, E1P5T6,
UniProt Related Accession:P24844
Molecular Weight:13,866 Da
NCBI Full Name:Myosin regulatory light polypeptide 9
NCBI Synonym Full Names:myosin light chain 9
NCBI Official Symbol:MYL9  
NCBI Official Synonym Symbols:LC20; MLC2; MRLC1; MYRL2; MLC-2C  
NCBI Protein Information:myosin regulatory light polypeptide 9
UniProt Protein Name:Myosin regulatory light polypeptide 9
UniProt Synonym Protein Names:20 kDa myosin light chain; LC20; MLC-2C; Myosin RLC; Myosin regulatory light chain 2, smooth muscle isoform; Myosin regulatory light chain 9; Myosin regulatory light chain MRLC1
Protein Family:Myosin regulatory light polypeptide
UniProt Gene Name:MYL9  
UniProt Entry Name:MYL9_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-Myosin regulatory light chain 2 (Phospho-Ser18) Antibody, Anti-Myosin regulatory light chain 2 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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