Human KRT18 - Recombinant Protein | Custom Made-To-Order

Name: Human KRT18 (Keratin, Type I Cytoskeletal 18) - Recombinant Protein
Brand: Beta LifeScience
SKU: BLT-07585P
Price: 445.0 USD
Availability: InStock

SDS-PAGE analysis of Human KRT18 (Keratin, Type I Cytoskeletal 18) - Recombinant Protein, CAT# BLT-07585P, showing >90% purity under 15% SDS-PAGE (Reduced)

Price Save $150

Size

100ug

Quantity

Quantity Pricing

Pack Size	Price (USD)
500 µg	$1,030 (Fall Promotion)
1 mg	$1,870 (Fall Promotion)

For direct online orders, quantity pricing will be displayed in cart when you add 5x100ug or 10x100ug

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Product Overview

Product Name	Recombinant Human Cytokeratin 18 (CK18/KRT18) Protein
Product Overview	This recombinant human Cytokeratin 18 (CK18/KRT18) protein includes amino acids 238-396aa of the target gene is expressed in E.coli.The protein is supplied in lyophilized form and formulated in PBSprior to lyophilization.
Target Uniprot Id	P05783
Recommended Name	Keratin, type I cytoskeletal 18
Gene Name	KRT18
Synonyms	KRT18; CYK18; K18; Keratin 18; Cell proliferation-inducing gene 46 protein; Keratin, type I cytoskel
Species	Human
Predicted Molecular Mass	29 kDa
Expression System	E.coli
Expression Range	238-396aa
Tag	N-6His
Purity	>90%
Formulation	Lyophilized
Buffer	PBS
Storage Condition	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Reconstitution Instruction	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Applications	Positive Control; Immunogen; SDS-PAGE; WB
Research Area	Cell Cycle, , Signal Transduction
Target Function	Involved in the uptake of thrombin-antithrombin complexes by hepatic cells. When phosphorylated, plays a role in filament reorganization. Involved in the delivery of mutated CFTR to the plasma membrane. Together with KRT8, is involved in interleukin-6 (IL-6)-mediated barrier protection.
Subcellular Location	Cytoplasm, perinuclear region. Nucleus, nucleolus.
Protein Family	Intermediate filament family
Associated Diseases	Cirrhosis (CIRRH)
Tissue Specificity	Expressed in colon, placenta, liver and very weakly in exocervix. Increased expression observed in lymph nodes of breast carcinoma.

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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.