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Human SURF4 Recombinant Protein (N-GST & C-His) (HA590012)

Human SURF4 Recombinant Protein (N-GST & C-His)
Human SURF4 Recombinant Protein (N-GST & C-His)
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  • SDS

Overview
Catalog No.HA590012
Description
Recombinant Human SURF4 Protein, N-GST & C-His (HA590012) expressed in E. coli. Purity: >90% by SDS-PAGE.
Highlights
  • His-Tagged — N-terminal 6×His tag for IMAC purification.
  • E. coli Expression — High-yield, cost-effective production.
  • High Purity — >90% purity verified by SDS-PAGE.
Expression systemE. coli
AccessionO15260
Protein lengthGly2-Tyr63&Asp113-Ser178
ApplicationsELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
SpeciesHomo sapiens (Human)
Nature Recombinant
Endotoxin level Please contact with the lab for this information.
Purity >90% as determined by SDS-PAGE.
Predicted molecular weight 42.99 kDa
Form Lyophilized
Storage buffer Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol.

Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA.

Reconstitution Reconstitute in sterile water for a stock solution. Adjust the volume of sterile water so that, after reconstitution, the final stock concentration matches the value indicated on the product label or datasheet.

RECONSTITUTION PROTOCOL
1. Allow the product to be reconstituted and the reconstitution diluent to reach room temperature.
2. Tap or briefly centrifuge the product vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial.
3. Use the diluent and stock concentration recommended in the product datasheet. If preparing a stock concentration higher than recommended, contact Technical Service.
4. After adding the diluent, re-cap the vial and invert gently by hand or place on a slow rocking platform to allow the reconstitution diluent to coat all the surfaces inside the vial. Note: Do not mix by vortexing or by pipetting the material up and down.
5. Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using.
6. Store the reconstituted material in single use aliquots in polypropylene or siliconized tubes. Aliquots of 10 μL or larger are recommended.
Shipping In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Stability and Storage Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Alternate NamesSurfeit locus protein 4, SURF4, SURF-4
Background

Surfeit locus protein 4 is a ~30 kDa protein. Endoplasmic reticulum cargo receptor that mediates the export of lipoproteins by recruiting cargos into COPII vesicles to facilitate their secretion. Acts as a cargo receptor for lipoproteins bearing both APOB and APOA1, thereby regulating lipoprotein delivery and the maintenance of lipid homeostasis. Synergizes with the GTPase SAR1B to mediate transport of circulating lipoproteins. Promotes the secretion of PCSK9. Also mediates the efficient secretion of erythropoietin (EPO).

1. Saegusa, K. et al. (2018) The Journal of cell biology 217, 2073-2085. PMID: 29643117
2. Emmer, BT. et al. (2018) eLife 7. PMID: 30251625
3. Wang, X. et al. (2021) Cell metabolism 33, 350-366.e7. PMID: 33186557
4. Lin, Z. et al. (2020) Molecular and cellular biology 40. PMID: 32989016
5. Mitrovic, S. et al. (2008) Molecular biology of the cell 19, 1976-90. PMID: 18287528
Note For research use only
Images
  • Human SURF4 Recombinant Protein (N-GST & C-His)

    SDS-PAGE

    SDS-PAGE for Recombinant Human SURF4 Protein, N-GST & C-His

References
Formula
Mass (g) = Concentration (mol/L) × Volume (L) × MW (g/mol)
Enter any 2 of Mass, Concentration, Volume + Molecular Weight to solve for the unknown.
Mass
=
Concentration
×
Volume
Molecular Weight *
g/mol
Formula
C₁ × V₁ = C₂ × V₂
Enter any 3 of the 4 values to solve for the unknown.
Stock Solution
C₁ (Stock Conc.)
×
V₁ (Stock Vol.)
=
Working Solution
C₂ (Working Conc.)
×
V₂ (Working Vol.)
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