Human DNAJB2 - Recombinant Protein | Custom Made-To-Order

Name: Human DNAJB2 (Dnaj Homolog Subfamily B Member 2) - Recombinant Protein
Brand: Beta LifeScience
SKU: BLT-00865P
Price: 445.0 USD
Availability: InStock

SDS-PAGE analysis of Human DNAJB2 (Dnaj Homolog Subfamily B Member 2) - Recombinant Protein, CAT# BLT-00865P, 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 Heat Shock 40kDa 3 (HSPF3/DNAJB2) Protein
Product Overview	This recombinant human Heat Shock 40kDa 3 (HSPF3/DNAJB2) protein includes amino acids 1-277aa of the target gene is expressed in E.coli.The protein is supplied in lyophilized form and formulated in phosphate buffered saline (pH7.4) containing 0.01% sarcosyl, 5% trehaloseprior to lyophilization.
Target Uniprot Id	P25686
Recommended Name	DnaJ homolog subfamily B member 2
Gene Name	DNAJB2
Synonyms	DnaJ homolog subfamily B member 2, HSJ1, HSPF3.
Species	Human
Predicted Molecular Mass	37 kDa
Expression System	E.coli
Expression Range	1-277aa
Tag	N-6His
Purity	>90%
Formulation	Lyophilized
Buffer	Phosphate buffered saline (pH7.4) containing 0.01% sarcosyl, 5%Trehalose
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	Signal Transduction
Target Function	Functions as a co-chaperone, regulating the substrate binding and activating the ATPase activity of chaperones of the HSP70/heat shock protein 70 family. In parallel, also contributes to the ubiquitin-dependent proteasomal degradation of misfolded proteins. Thereby, may regulate the aggregation and promote the functional recovery of misfolded proteins like HTT, MC4R, PRKN, RHO and SOD1 and be crucial for many biological processes. Isoform 1 which is localized to the endoplasmic reticulum membranes may specifically function in ER-associated protein degradation of misfolded proteins.
Subcellular Location	[Isoform 2]: Cytoplasm. Nucleus.; [Isoform 1]: Endoplasmic reticulum membrane; Lipid-anchor; Cytoplasmic side.
Associated Diseases	Distal spinal muscular atrophy, autosomal recessive, 5 (DSMA5)
Tissue Specificity	More abundantly expressed in neocortex, cerebellum, spinal cord and retina where it is expressed by neuronal cells (at protein level). Detected at much lower level in non-neuronal tissues including kidney, lung, heart, skeletal muscle, spleen and testis (

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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.