Recombinant Human RbAp48 Protein (Tagged)

Beta LifeScience SKU/CAT #: BLA-7665P

Recombinant Human RbAp48 Protein (Tagged)

Beta LifeScience SKU/CAT #: BLA-7665P
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Product Overview

Host Species Human
Accession Q09028
Synonym CAF I p48 CAF-1 subunit C CAF-I 48 kDa subunit CAF-I p48 Chromatin assembly factor 1 subunit C Chromatin assembly factor I p48 subunit Chromatin assembly factor/CAF 1 p48 subunit Histone-binding protein RBBP4 MSI1 protein homolog Nucleosome-remodeling factor subunit RBAP48 NURF55 RB binding protein 4 chromatin remodeling factor RbAp 48 RBAP48 RBBP-4 RBBP4 RBBP4_HUMAN Retinoblastoma binding protein 4 Retinoblastoma binding protein p48 Retinoblastoma-binding protein 4 Retinoblastoma-binding protein p48
Description Recombinant Human RbAp48 Protein (Tagged) was expressed in Baculovirus infected Sf9 cells. It is a Full length protein
Source Baculovirus infected Sf9 cells
Purity >90% SDS-PAGE.
Endotoxin < 1.0 EU per μg of the protein as determined by the LAL method
Formulation Liquid Solution
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 on Dry Ice. Upon delivery aliquot. Store at -80°C. Avoid freeze / thaw cycle.


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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.

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