Recombinant Human BPIFA2 Protein (His Tag)

Name: Recombinant Human BPIFA2 Protein (His Tag)
Brand: Beta LifeScience
SKU: BLPSN-0450
Availability: InStock

Collections: Other recombinant proteins, Recombinant proteins

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Product Overview

Tag	His
Host Species	Human
Accession	Q96DR5
Synonym	bA49G10.1, C20orf70, PSP, SPLUNC2
Background	C2orf7 belongs to the BPI/LBP/Plunc superfamily, Plunc family. PLUNC family is comprised by mucosal secretory proteins that are predicted to be structurally similar to lipid-binding and host-defense proteins including bactericidal/permeability-increasing protein and lipopolysaccharide-binding protein. C2orf7 can be detected in submandibular gland. C2orf7 gene contains 9 distinct gt-ag introns. Transcription produces 6 different mRNAs, 4 alternatively spliced variants and 2 unspliced forms. There are 2 probable alternative promotors, 3 non overlapping alternative last exons and 4 validated alternative polyadenylation sites. The mRNAs appear to differ by truncation of the 3' end. 8 bp of this gene are antisense to spliced gene glopa, raising the possibility of regulated alternate expression. C2orf7 is expected to have molecular function (lipid binding) and to localize in extracellular region. It is a salivary protein of unknown function.
Description	A DNA sequence encoding the human C20orf70 (Q96DR5) (Met1-Ile249) was expressed with a His tag at the C-terminus.
Source	HEK293
Predicted N Terminal	Glu 19
AA Sequence	Met1-Ile249
Molecular Weight	The recombinant human C20orf70 consists of 242 a.a. and predicts a molecular mass of 26.5 KDa. It migrates as an approximately 35 KDa band in SDS-PAGE under reducing conditions.
Purity	>85% as determined by SDS-PAGE
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Bioactivity	Please contact us for detailed information
Formulation	Lyophilized from sterile PBS, pH 7.4.
Stability	The recombinant proteins are stable for up to 1 year from date of receipt at -70°C.
Usage	For Research Use Only
Storage	Store the protein under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

Target Details

Target Function	Has strong antibacterial activity against P. aeruginosa.
Subcellular Location	Secreted.
Protein Families	BPI/LBP/Plunc superfamily, Plunc family
Database References	HGNC: 16203 KEGG: hsa:140683 STRING: 9606.ENSP00000253362 UniGene: Hs.125960
Tissue Specificity	Detected in submandibular gland. Secreted into saliva.

Gene Functions References

PSP is a lipopolysaccharide-binding protein that is functionally related to lipopolysaccharide-binding protein, as suggested by their predicted structural similarities PMID: 21833535
multiple SPLUNC2 isoforms are found in the oral cavity and suggest that these proteins may be differentially regulated in distinct tissues where they may function in the innate immune response. PMID: 19499239

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.