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Human CALML5 ELISA Pair Set

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Materials provided
Capture Ab:0.3 mg/mL of mouse anti-CALML5 monoclonal antibody. Dilute to a working concentration of 2 μg/mL in CBS before coating.
Detection Ab:0.25 mg/mL mouse anti-CALML5 monoclonal antibody conjugated to horseradish-peroxidase (HRP). Dilute to working concentration of 0.25 μg/mL in detection antibody dilution buffer before use.
Standard:Each vial contains 63 ng of recombinant CALML5. Reconstitute with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -70℃ in a manual defrost freezer. A seven-point standard curve using 2-fold serial dilutions in sample dilution buffer, and a high standard of 2 ng/mL is recommended.
Sensitivity
The minimum detectable dose of Human CALML5 was determined to be approximately 31.25 pg/ml. This is defined as at least three times standard deviations above the mean optical density of 10 replicates of the zero standard.
Principle of the product
The Human CALML5 ELISA Pair Set is for the quantitative determination of Human CALML5.
This ELISA Pair Set contains the basic components required for the development of sandwich ELISAs.
The Sino Biological ELISA Pair Set is a solid phase sandwich ELISA (Enzyme-Linked Immunosorbent Assay). It utilizes a monoclonal antibody specific for CALML5 coated on a 96-well plate. Standards and samples are added to the wells, and any CALML5 present binds to the immobilized antibody. The wells are washed and a horseradish peroxidase conjugated mouse anti-CALML5 monoclonal antibody is then added, producing an antibody-antigen-antibody “sandwich”. The wells are again washed and TMB substrate solution is loaded, which produces color in proportion to the amount of CALML5 present in the sample. To end the enzyme reaction, the stop solution is added and absorbances of the microwell are read at 450 nm.
Storage
Capture Antibody: Aliquot and store at -20℃ to -70℃ for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Detection Antibody: Protect it from prolonged exposure to light. Aliquot and store at -20℃ to -70℃ and for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Standard: Store lyophilized Standard at -20℃ to -70℃ for up to 6 months from date of receipt. Aliquot and store the reconstituted Standard at -20℃ to -70℃ for up to 1 month. Avoid repeated freeze-thaw cycles.
Image
Human CALML5 ELISA standard curve

Background

Calmodulin-like protein 5, also known as Calmodulin-like skin protein, CALML5 and CLSP, is a protein which contains four EF-hand domains. CALML5 / CLSP is particularly abundant in the epidermis where its expression is directly related to keratinocyte differentiation.The expression is very low in lung. CALML5 / CLSP binds calcium. It may be involved in terminal differentiation of keratinocytes. Coxsackievirus and adenovirus receptor (CAR) is a member of the immunoglobulin (Ig) superfamily and a component of epithelial tight junction. CAR functions as a primary receptor for coxsackievirus B and adenovirus (Ad) infection. CALML5 / CLSP is closely related to CAR. The structure and dynamics of human calmodulin-like skin protein CALML5 / CLSP have been characterized by NMR spectroscopy. The mobility of CALML5 / CLSP has been found to be different for the N-terminal and C-terminal domains. The N-terminal domain is characterized by four stable helices, which experience large fluctuations. This is shown to be due to mutations in the hydrophobic core. The overall N-terminal domain behavior is similar both in the full-length protein and in the isolated domain.

References
  • Mehul B., et al., 2000, J. Biol. Chem. 275:12841-12847.
  • Babini E., et al., 2006, Structure 14:1029-1038.
  • Kawabata,K. et al., 2007, Gene Ther. 14 (16):1199-207.
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