IKK-beta (Phospho-Tyr188)Colorimetric Cell-Based ELISA Kit (CBCAB01276)

Product Name:	IKK-beta (Phospho-Tyr188)Colorimetric Cell-Based ELISA Kit
Product Code:	CBCAB01276
ELISA Type:	Cell-Based
Target:	IKK-beta (Phospho-Tyr188)
Reactivity:	Human, Mouse, Rat
Dynamic Range:	> 5000 Cells
Detection Method:	Colorimetric 450 nm
Format:	2 x 96-Well Microplates

The IKK-beta (Phospho-Tyr188) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect IKK-beta protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated IKK-beta in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on IKK-beta phosphorylation.

Qualitative determination of IKK-beta (Phospho-Tyr188) concentration is achieved by an indirect ELISA format. In essence, IKK-beta (Phospho-Tyr188) is captured by IKK-beta (Phospho-Tyr188)-specific primary (1Ãƒ¸) antibodies while the HRP-conjugated secondary (2Ãƒ¸) antibodies bind the Fc region of the 1Ãƒ¸ antibody. Through this binding, the HRP enzyme conjugated to the 2Ãƒ¸ 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: 3551, UniProt ID: O14920, OMIM: 603258, Unigene: Hs.656458
Gene Symbol:	IKBKB
Sub Type:	Phospho

UniProt Protein Function:	IKKB: a kinase of the IKK family. Phosphorylates inhibitors of NF-kappa-B thus leading to the dissociation of the inhibitor/NF-kappa-B complex and ultimately the degradation of the inhibitor. Preferentially found as a heterodimer with IKK-alpha but also as an homodimer.
UniProt Protein Details:	Protein type:Kinase, protein; EC 2.7.11.10; Protein kinase, Ser/Thr (non-receptor); Protein kinase, Other; Other group; IKK family Chromosomal Location of Human Ortholog: 8p11.2 Cellular Component: internal side of plasma membrane; cytoplasm; IkappaB kinase complex; cytosol; nucleus; lipid raft Molecular Function:protein serine/threonine kinase activity; protein binding; protein homodimerization activity; IkappaB kinase activity; protein heterodimerization activity; protein kinase binding; ATP binding; protein kinase activity Biological Process: I-kappaB kinase/NF-kappaB cascade; nerve growth factor receptor signaling pathway; positive regulation of transcription, DNA-dependent; toll-like receptor 3 signaling pathway; T cell receptor signaling pathway; protein amino acid phosphorylation; activation of NF-kappaB transcription factor; toll-like receptor 10 signaling pathway; toll-like receptor 5 signaling pathway; B cell homeostasis; positive regulation of interferon type I production; inflammatory response; toll-like receptor 4 signaling pathway; positive regulation of I-kappaB kinase/NF-kappaB cascade; MyD88-independent toll-like receptor signaling pathway; response to virus; toll-like receptor 2 signaling pathway; MyD88-dependent toll-like receptor signaling pathway; serine phosphorylation of STAT protein; toll-like receptor signaling pathway; innate immune response; positive regulation of transcription from RNA polymerase II promoter; toll-like receptor 9 signaling pathway; I-kappaB phosphorylation; negative regulation of apoptosis Disease: Immunodeficiency 15
NCBI Summary:	The protein encoded by this gene phosphorylates the inhibitor in the inhibitor/NF-kappa-B complex, causing dissociation of the inhibitor and activation of NF-kappa-B. The encoded protein itself is found in a complex of proteins. Several transcript variants, some protein-coding and some not, have been found for this gene. [provided by RefSeq, Sep 2011]
UniProt Code:	O14920
NCBI GenInfo Identifier:	14285497
NCBI Gene ID:	3551
NCBI Accession:	O14920.1
UniProt Secondary Accession:	O14920,O75327, B4DZ30, B4E0U4,
UniProt Related Accession:	O14920
Molecular Weight:	86,564 Da
NCBI Full Name:	Inhibitor of nuclear factor kappa-B kinase subunit beta
NCBI Synonym Full Names:	inhibitor of kappa light polypeptide gene enhancer in B-cells, kinase beta
NCBI Official Symbol:	IKBKB
NCBI Official Synonym Symbols:	IKK2; IKKB; IMD15; NFKBIKB; IKK-beta
NCBI Protein Information:	inhibitor of nuclear factor kappa-B kinase subunit beta; IKK-B; I-kappa-B kinase 2; I-kappa-B-kinase beta; nuclear factor NF-kappa-B inhibitor kinase beta
UniProt Protein Name:	Inhibitor of nuclear factor kappa-B kinase subunit beta
UniProt Synonym Protein Names:	I-kappa-B kinase 2; IKK2; Nuclear factor NF-kappa-B inhibitor kinase beta
UniProt Gene Name:	IKBKB
UniProt Entry Name:	IKKB_HUMAN

Component	Quantity
96-Well Cell Culture Clear-Bottom Microplate	2 plates
10X TBS	24 mL
Quenching Buffer	24 mL
Blocking Buffer	50 mL
15X Wash Buffer	50 mL
Primary Antibody Diluent	12 mL
100x Anti-Phospho Target Antibody	60 µL
100x Anti-Target Antibody	60 µL
Anti-GAPDH Antibody	60 µL
HRP-Conjugated Anti-Rabbit IgG Antibody	12 mL
HRP-Conjugated Anti-Mouse IgG Antibody	12 mL
SDS Solution	12 mL
Stop Solution	24 mL
Ready-to-Use Substrate	12 mL
Crystal Violet Solution	12 mL
Adhesive Plate Seals	2 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.

Step	Procedure
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-IKK-beta (Phospho-Tyr188) Antibody, Anti-IKK-beta 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.)