Recombinant Human CD90 Protein

Name: Recombinant Human CD90 Protein
Brand: Beta LifeScience
SKU: BL-0123PS
Availability: InStock

Collections: Cluster of differentiation (cd) proteins, Featured cd protein molecules, Recombinant proteins

Our products are highly customizable to meet your specific needs. You can choose options such as endotoxin removal, liquid or lyophilized forms, preferred tags, and the desired functional sequence range for proteins. Submitting a written inquiry expedites the quoting process.

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Product Overview

Tag	His
Host Species	Human
Synonym	Thy-1 Cell Surface Antigen, Thy-1 Antigen, CDw90, Thy-1 Membrane Glycoprotein, Thy-1 T-Cell Antigen, CD90 Antigen, CD90, THY1.
Background	Thy-1 membrane glycoprotein (CD90) is a cell membrane protein which contains one lg-like V-type (immunoglobulin-like) domain. CD90 protein belongs to the immunoglobulin superfamily of adhesion molecules with constitutive expression on fibroblast cells. CD90 protein is involved in cell adhesion and cell communication in numerous cell types, predominantly in cells of the immune and nervous systems. CD90 may also have a role in cell-cell or cell-ligand interactions during synaptogenesis and other events in the brain. CD90 can be used as a marker for various stem cells and for the axonal processes of mature neurons. CD90 may serve as a tumor suppressor in nasopharyngeal carcinoma.
Description	CD90 Human Recombinant expressed in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 117a.a. (20-130a.a.) and having a molecular weight of 13.3kDa (Molecular size on SDS-PAGE will appear at approximately 13.5-28kDa).CD90 is fused with a 6a.a. His tag at C-Terminus and purified by unique purification methods.
Source	Sf9
AA Sequence	QKVTSLTACL VDQSLRLDCR HENTSSSPIQ YEFSLTRETK KHVLFGTVGV PEHTYRSRTN FTSKYNMKVL YLSAFTSKDE GTYTCALHHS GHSPPISSQN VTVLRDKLVK CHHHHHH.
Purity	>95.0% as determined by SDS-PAGE.
Endotoxin	<1.0 EU per μg by the LAL method.
Formulation	CD90 protein solution (0.25mg/ml) contains Phosphate Buffered Saline (pH7.4) and 10% glycerol.
Stability	Recombinant protein is stable for 12 months at -70°C
Usage	For Research Use Only
Storage	Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.