Recombinant Human Neuropeptide B (NPB)

Name: Recombinant Human Neuropeptide B (NPB)
Brand: Beta LifeScience
SKU: BLC-00041P
Price: 349.0 USD
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

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Price Save $357

Size

100ug

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Product Overview

Description	Recombinant Human Neuropeptide B (NPB) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	Q8NG41
Target Symbol	NPB
Synonyms	NPB; PPL7; PPNPB; Neuropeptide B; Preproprotein L7; hPPL7) [Cleaved into: Neuropeptide B-23; NPB23; hL7); Neuropeptide B-29; NPB29; hL7C)]
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	Tag-Free
Target Protein Sequence	WYKPAAGHSSYSVGRAAGLLSGLRRSPYA
Expression Range	25-53aa
Protein Length	Full Length of Mature Protein
Mol. Weight	3.1 kDa
Research Area	Metabolism
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Storage	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.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	May be involved in the regulation of feeding, neuroendocrine system, memory, learning and in the afferent pain pathway.
Subcellular Location	Secreted.
Protein Families	Neuropeptide B/W family
Database References	HGNC: 30099 OMIM: 607996 KEGG: hsa:256933 STRING: 9606.ENSP00000332766 UniGene: Hs.569843
Tissue Specificity	Widely expressed in the central nervous system. High levels are found in substantia nigra, hypothalamus, hyppocampus, spinal cord, placenta and fetal brain; lower levels are found in testis, uterus and ovary. Also detected at high levels in colorectal ade

Gene Functions References

identified a neuropeptide modified with bromine; an endogenous ligand for GPR7 PMID: 12118011

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.