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  3. LRRC15 Protein, Cynomolgus (HEK293, His)

LRRC15 is a cell membrane-expressed protein belonging to the LRR superfamily. Involved in cell-cell and cell-ECM interactions. The LRRC15 protein regulates the infectivity of SARS-CoV-2 by interacting with its spike protein. LRRC15 activates the β1-integrin /FAK signaling pathway to promote ovarian cancer metastasis. LRRC15 Protein, Cynomolgus (HEK293, His) is the recombinant cynomolgus-derived LRRC15 protein, expressed by HEK293 , with C-His labeled tag. The total length of LRRC15 Protein, Cynomolgus (HEK293, His) is 517 a.a., with molecular weight of 70-80 kDa.

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Description

LRRC15 is a cell membrane-expressed protein belonging to the LRR superfamily. Involved in cell-cell and cell-ECM interactions. The LRRC15 protein regulates the infectivity of SARS-CoV-2 by interacting with its spike protein. LRRC15 activates the β1-integrin /FAK signaling pathway to promote ovarian cancer metastasis. LRRC15 Protein, Cynomolgus (HEK293, His) is the recombinant cynomolgus-derived LRRC15 protein, expressed by HEK293 , with C-His labeled tag. The total length of LRRC15 Protein, Cynomolgus (HEK293, His) is 517 a.a., with molecular weight of 70-80 kDa.

Background

LRRC15 is a cell membrane-expressed protein belonging to the LRR superfamily. Involved in cell-cell and cell-ECM interactions. The LRRC15 protein regulates the infectivity of SARS-CoV-2 by interacting with its spike protein. It does not act as an entry receptor for SARS-CoV-2, but when it is expressed on nearby cells, it isolates virions and trans inhibits SARS-CoV-2 infection of ACE2 (+) cells. In addition, the LRRC15 protein directly interacts with the RBD domain of the human coronavirus SARS-CoV-2 spike protein, resulting in the isolation of virions on the cell surface. LRRC15 activates the β1-integrin /FAK signaling pathway to promote ovarian cancer metastasis, and the LRRC15-targeted antiboy-drug conjugate ABBV-085 was found to inhibit ovarian cancer metastasis in preclinical models[1][2][3].

Species

Cynomolgus

Source

HEK293

Tag

C-His

Accession

A0A2K5UKB6 (Y22-G538)

Gene ID
Molecular Construction
N-term
LRRC15 (Y22-G538)
Accession # A0A2K5UKB6
His
C-term
Synonyms
LIB; LRRC15; EGM_11224
Molecular Weight

70-80 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Documentation

LRRC15 Protein, Cynomolgus (HEK293, His) Related Classifications

Help & FAQs
  • How should lyophilized recombinant proteins be reconstituted and stored?

    1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss. 2. Taking 10 μg as an example, first add 20 μL of reconstituted solution provided by MCE and use a pipette to gently resuspend the lyophilized protein until it is fully dissolved.. (For most proteins, the reconstitution solution we provide is sterile water. If a diluent other than water is required, it will be indicated in the product's Certificate of Analysis (COA).). 3. Add an additional 80 μL of buffer/culture medium containing carrier protein (either 0.1% BSA, 5% HSA, 10% FBS, or 5% trehalose), and then use a pipette to gently mix until uniform. The final concentration is should not be lower than 100 μg/mL. 4. Aliquot at least 20 μL per tube. 5. After aliquoting, store it frozen at a temperature ranging from -20ºC to -80ºC, and it can be preserved for 3 to 6 months.

  • How should solution-form recombinant proteins be stored?

    1. The product can be stored in its original form and diluted as needed upon use. 2. Alternatively, dilute with a buffer/culture medium containing a carrier protein (either 0.1% BSA, 5% HSA, 10% FBS, or 5% alginate), mix well by pipetting, and ensure that

  • Why is it necessary to add carrier proteins?

    Carrier proteins are commonly added to enhance the stability of recombinant proteins, preventing them from adhering to the walls of the container during freezing or thawing processes. Plastic tubes have a certain adsorptive capacity for proteins, which may lead to difficulty in separating the protein from the tube walls, resulting in a decrease in the actual concentration of the protein in the solution and thus affecting its activity. To minimize such losses, it is recommended to add a commonly used carrier protein solution prior to the long-term storage of recombinant protein products.

  • Carrier protein types and options?

    In cases where the carrier protein is not expected to influence the experimental outcomes, an appropriate carrier protein, such as 0.1% BSA (Bovine Serum Albumin), 5% HSA (Human Serum Albumin), 10% FBS (Fetal Bovine Serum), or 5% trehalose, can be incorpo

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Product Name:
LRRC15 Protein, Cynomolgus (HEK293, His)
Cat. No.:
HY-P700892
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