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  3. Moesin Protein, Human (His)

Moesin proteins connect the actin cytoskeleton to the plasma membrane and regulate cell cortical structure and function. Moesin Protein, Human (His) is the recombinant human-derived Moesin protein, expressed by E. coli , with N-His labeled tag. The total length of Moesin Protein, Human (His) is 346 a.a., with molecular weight of ~45 kDa.

For research use only. We do not sell to patients.

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Description

Moesin proteins connect the actin cytoskeleton to the plasma membrane and regulate cell cortical structure and function. Moesin Protein, Human (His) is the recombinant human-derived Moesin protein, expressed by E. coli , with N-His labeled tag. The total length of Moesin Protein, Human (His) is 346 a.a., with molecular weight of ~45 kDa.

Background

Moesin, an Ezrin-radixin-moesin (ERM) family protein, serves as a crucial link between the actin cytoskeleton and the plasma membrane, thereby influencing the structure and function of specific domains in the cell cortex. Functioning as a tether for actin filaments, Moesin undergoes oscillation between a resting and an activated state, establishing transient interactions with the actin cytoskeleton. Upon phosphorylation of its C-terminal threonine, Moesin becomes activated, leading to interactions with F-actin and subsequent cytoskeletal rearrangements. These rearrangements play a pivotal role in regulating various cellular processes, including cell shape determination, membrane transport, and signal transduction. Moesin's significance is particularly pronounced in immunity, impacting both T and B-cell homeostasis and self-tolerance, and regulating lymphocyte egress from lymphoid organs. Additionally, Moesin modulates phagolysosomal biogenesis in macrophages and participates in immunologic synapse formation. The protein adopts a closed conformation (inactive form) through a head-to-tail association of its N-terminal and C-terminal halves, rendering it incapable of actin or membrane-binding in this state.

Species

Human

Source

E. coli

Tag

N-His

Accession

P26038 (M1-E346)

Gene ID
Molecular Construction
N-term
His
Moesin (M1-E346)
Accession # P26038
C-term
Synonyms
Moesin; Membrane-organizing extension spike protein; MSN
Molecular Weight

Approximately 45 kDa

Purity

Greater than 80% as determined by reducing SDS-PAGE.

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of 20 mM Tris, 0.5M NaCl, pH 8.0. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation

Moesin Protein, Human (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:
Moesin Protein, Human (His)
Cat. No.:
HY-P73806
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