Recombinant Human PTN Protein

Name: Recombinant Human PTN Protein
Brand: Beta LifeScience
SKU: BLA-7458P
Availability: InStock

Collections: Other recombinant proteins, Recombinant proteins

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Product Overview

Host Species	Human
Accession	P21246
Synonym	HARP HB-GAM HBBM HBGAM HBGF-8 HBGF8 HBNF HBNF-1 HBNF1 heparin affin regulatory protein Heparin binding growth associated molecule Heparin binding growth factor 8 Heparin binding neurite outgrowth promoting factor 1 Heparin-binding brain mitogen Heparin-binding growth factor 8 Heparin-binding growth-associated molecule heparin-binding neurite outgrowth promoting factor Heparin-binding neurite outgrowth-promoting factor 1 NEGF1 Neurite growth promoting factor 1 Neurite outgrowth-promoting factor, heparin-binding OSF-1 OSF1 Osteoblast-specific factor 1 Pleiotrophin pleiotrophin (heparin binding growth factor 8, neurite growth-promoting factor 1) PTN PTN_HUMAN
Description	Recombinant Human PTN Protein was expressed in E.coli. It is a Full length protein
Source	E.coli
AA Sequence	MGKKEKPEKK VKKSDCGEWQ WSVCVPTSGD CGLGTREGTR TGAECKQTMK TQRCKIPCNW KKQFGAECKY QFQAWGECDL NTALKTRTGS LKRALHNAEC QKTVTISKPC GKLTKPKPQA ESKKKKKEGK KQEKMLD
Molecular Weight	19 kDa
Purity	>95% by SDS-PAGE .
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Formulation	Lyophilised
Stability	The recombinant protein samples are stable for up to 12 months at -80°C
Reconstitution	See related COA
Unit Definition	For Research Use Only
Storage Buffer	Shipped at Room Temperature. Upon delivery aliquot. Store at -20°C or -80°C. Working aliquots stored with a carrier protein are stable for at least 3 months at -20°C to -80°C..

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.