Principle of the Assay: This ELISA kit uses Sandwich-ELISA as the method. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to CTNNa1. Standards or samples are added to the appropriate micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for CTNNa1 and Avidin-Horseradish Peroxidase (HRP) conjugate is added to each micro plate well successively and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain CTNNa1, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of a sulphuric acid solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm +/- 2 nm. The OD value is proportional to the concentration of CTNNa1. You can calculate the concentration of CTNNa1 in the samples by comparing the OD of the samples to the standard curve.
NCBI and Uniprot Product Information
Uniprot Description
CTNNA1: Associates with the cytoplasmic domain of a variety of cadherins. The association of catenins to cadherins produces a complex which is linked to the actin filament network, and which seems to be of primary importance for cadherins cell-adhesion properties. Can associate with both E- and N-cadherins. Originally believed to be a stable component of E-cadherin/catenin adhesion complexes and to mediate the linkage of cadherins to the actin cytoskeleton at adherens junctions. In contrast, cortical actin was found to be much more dynamic than E-cadherin/catenin complexes and CTNNA1 was shown not to bind to F-actin when assembled in the complex suggesting a different linkage between actin and adherens junctions components. The homodimeric form may regulate actin filament assembly and inhibit actin branching by competing with the Arp2/3 complex for binding to actin filaments. May play a crucial role in cell differentiation. Monomer and homodimer; the monomer preferentially binds to CTNNB1 and the homodimer to actin. Binds MLLT4 and F-actin. Possible component of an E-cadherin/ catenin adhesion complex together with E-cadherin/CDH1 and beta-catenin/CTNNB1 or gamma- catenin/JUP; the complex is located to adherens junctions. The stable association of CTNNA1 is controversial as CTNNA1 was shown not to bind to F-actin when assembled in the complex. Alternatively, the CTNNA1-containing complex may be linked to F- actin by other proteins such as LIMA1. Interacts with ARHGAP21 and with AJUBA. Interacts with LIMA1. Expressed ubiquitously in normal tissues. Belongs to the vinculin/alpha-catenin family. 2 isoforms of the human protein are produced by alternative splicing.
Protein type: Actin-binding; Motility/polarity/chemotaxis
Chromosomal Location of Human Ortholog: 5q31.2
Cellular Component: focal adhesion; lamellipodium; acrosome; plasma membrane; zonula adherens; catenin complex; intercellular junction; cytosol; actin cytoskeleton
Molecular Function: actin filament binding; protein binding; cadherin binding; gamma-catenin binding; beta-catenin binding; structural molecule activity; vinculin binding
Biological Process: intercellular junction assembly and maintenance; apical junction assembly; gap junction assembly; protein heterooligomerization; axon regeneration; male gonad development; establishment and/or maintenance of cell polarity; actin filament organization; odontogenesis of dentine-containing teeth; muscle cell differentiation; negative regulation of neuroblast proliferation; ovarian follicle development; response to estrogen stimulus; positive regulation of smoothened signaling pathway; positive regulation of muscle cell differentiation; vascular endothelial growth factor receptor signaling pathway; cell adhesion; aging
Research Articles on CTNNa1
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Product Notes
The Mouse CTNNa1 ctnna1 (Catalog #AAA2513712) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA2513712 ELISA Kit recognizes Mouse CTNNa1. It is sometimes possible for the material contained within the vial of "CTNNa1, ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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