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

Name: Human CHGA (Chromogranin-A) - Recombinant Protein
Brand: Beta LifeScience
SKU: BLT-03272P
Price: 445.0 USD
Availability: InStock

SDS-PAGE analysis of Human CHGA (Chromogranin-A) - Recombinant Protein, CAT# BLT-03272P, showing >85% 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 Chromogranin A (CHGA) Protein
Product Overview	This recombinant human Chromogranin A (CHGA) protein includes amino acids 15-148aa 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	P10645
Recommended Name	Chromogranin-A
Gene Name	CHGA
Synonyms	Chromogranin A, Vasostatin 2, beta Granin, CGA, CHG A, CHGA, ChromograninA, Chromogranin A parathyro
Species	Human
Predicted Molecular Mass	20 kDa
Expression System	E.coli
Expression Range	15-148aa
Tag	N-6His
Purity	>85%
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	Cancer
Target Function	Strongly inhibits glucose induced insulin release from the pancreas.; Inhibits catecholamine release from chromaffin cells and noradrenergic neurons by acting as a non-competitive nicotinic cholinergic antagonist. Displays antibacterial activity against Gram-positive bacteria S.aureus and M.luteus, and Gram-negative bacteria E.coli and P.aeruginosa. Can induce mast cell migration, degranulation and production of cytokines and chemokines. Acts as a potent scavenger of free radicals in vitro. May play a role in the regulation of cardiac function and blood pressure.; Regulates granule biogenesis in endocrine cells by up-regulating the transcription of protease nexin 1 (SERPINE2) via a cAMP-PKA-SP1 pathway. This leads to inhibition of granule protein degradation in the Golgi complex which in turn promotes granule formation.
Subcellular Location	[Serpinin]: Secreted. Cytoplasmic vesicle, secretory vesicle.; Cytoplasmic vesicle, secretory vesicle. Cytoplasmic vesicle, secretory vesicle, neuronal dense core vesicle. Secreted.
Protein Family	Chromogranin/secretogranin protein family
Tissue Specificity	GE-25 is found in the brain.

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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.