Key Product Details

Species Reactivity

Human, Rat (Negative)

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot

Label

Janelia Fluor 549

Antibody Source

Monoclonal Mouse IgG1 kappa Clone # CALD1/820

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

View all Caldesmon/CALD1 Antibodies »

Product Specifications

Immunogen

Recombinant full-length human Caldesmon/CALD1 protein (Uniprot: Q05682)

Reactivity Notes

Does not react with Rat.

Localization

Cytoplasmic

Specificity

Recognizes a protein of 150kDa, which is identified as the high molecular weight variant of Caldesmon. Two closely related variants of human caldesmon have been identified which are different in their electrophoretic mobility and cellular distribution. The h-caldesmon variant (12080kDa) is found in non- muscle tissue and cells. Neither of the two variants has been detected in skeletal muscle. This monoclonal antibody recognizes only the 150kDa variant (h-caldesmon) in Western blots of human aortic media extracts and is unreactive with fibroblast extracts from cultivated human foreskin. Caldesmon is a developmentally regulated protein involved in smooth muscle and non-muscle contraction.

Marker

Smooth Muscle Marker

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1 kappa

Applications for Caldesmon/CALD1 Antibody (CALD1/820) [Janelia Fluor® 549]

Application
Recommended Usage

Immunohistochemistry

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry-Paraffin

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark.

Background: Caldesmon/CALD1

Caldesmon is a smooth muscle and nonmuscle regulatory protein that interacts with actin, myosin, tropomyosin, and calmodulin (1,2). Smooth muscle caldesmon is an elongated molecule with a calmodulin, tropomyosin, and actin-binding region at the C-terminus and a myosin-binding domain at the N-terminus (3). Caldesmon stimulates actin binding of tropomyosin which increases the stabilization of actin filament structure. In muscle tissues, caldesmon inhibits the actomyosin ATPase by binding to F-actin. This inhibition is reduced by calcium-calmodulin and is promoted by tropomyosin (4).

Alternate Names

CALD1, CDM, HCAD, LCAD, NAG22

Gene Symbol

CALD1

Additional Caldesmon/CALD1 Products

Product Documents for Caldesmon/CALD1 Antibody (CALD1/820) [Janelia Fluor® 549]

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Download SDS

Product Specific Notices for Caldesmon/CALD1 Antibody (CALD1/820) [Janelia Fluor® 549]

Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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